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Las mejores aplicaciones

21 min de lectura

El mejor software de marketing por SMS en 2026

Por Allisa Boulette · 17de marzo de 2026
Una imagen principal con los logotipos de las mejores aplicaciones de SMS

Revisamos de manera independiente cada aplicación que recomendamos en nuestras listas de mejores aplicaciones. Cuando haces clic en algunos de los enlaces de esta página, podemos ganar una comisión. Más información,

I bought a couch online six months ago. Since then, I have received approximately 4,000 texts from this company. They want to know if I'm "still thinking about couches." They want me to review my couch. They want me to join their couch loyalty program, which offers me points toward more couches. I have a couch. I'm good on couches. The couch situation is handled.

But you know what? I opened every single one because SMS marketing works stupidly well. Where emails rot in spam folders and social media posts get buried under an avalanche of engagement-bait, texts apparently get read in under three minutes, on average. That's faster than I read anything, including stop signs.

I tested and compared dozens of the top SMS marketing platforms out there, so you can blow up phones responsibly. Here are my picks for the best SMS marketing software.

Las mejores aplicaciones de SMS para pequeñas empresas

  • SimpleTexting para campañas de marketing por SMS fáciles de ejecutar

  • Textmagic para enviar rápidamente mensajes de texto desde un servicio de SMS

  • Textla para precios bajos por mensaje de texto

  • SlickText para la recopilación de números de teléfono y marketing avanzado

  • Salesmsg for sales teams using SMS

  • EZ Texting for straightforward mass texting

  • Twilio para personalizar tu campaña de marketing por SMS

  • Attentive for large eCommerce brands

  • ClickSend for no-contract global texting

¿Qué hace que una aplicación de SMS sea la mejor?

Cómo evaluamos y probamos aplicaciones.

Nuestros resúmenes de las mejores aplicaciones están escritos por personas que han pasado gran parte de sus carreras usando, probando y escribiendo sobre software. A menos que se indique explícitamente, dedicamos docenas de horas a investigar y probar aplicaciones, usando cada aplicación tal como debe usarse y evaluándola según los criterios que hemos establecido para la categoría. Nunca recibimos pagos por la aparición de aplicaciones en nuestros artículos ni por enlaces a ningún sitio; valoramos la confianza que los lectores depositan en nosotros para ofrecer evaluaciones auténticas de las categorías y aplicaciones que revisamos. Para más información sobre nuestro proceso, lee el resumen completo sobre cómo seleccionamos aplicaciones para destacar en el blog de Zapier.

SMS marketing is a huge business around the world, so there are dozens of different SMS marketing platforms available. Lots of marketing automation platforms, like Mailchimp, have SMS marketing features built in, which is great if you're looking for an all-in-one tool. Some SMS tools are designed purely for high-volume broadcast campaigns, like political messaging or enterprise mass sends, without the flexibility that growth teams, CRM operators, or customer support functions actually need. Similarly, a lot of "apps" are actually API services that developers can use to add SMS functionality to their own projects, rather than a service you can sign up for and use straight away. 

To cut through the huge range of options, I set five key criteria that I was looking for in SMS marketing apps:

  • Easy to use for marketing and ops teams. If you need to hire a software engineer or spend your entire budget on custom development just to send a text that says "20% off this weekend," you've already lost. The app should be simple enough to plug into whatever existing setup you have, without you needing a huge amount of technical knowledge. Marketing teams and operations folks are already juggling nine million things—they don't have time to become SMS experts just to do their jobs. 

  • Capable of true two-way messaging, so you can have a conversation with your customers. A lot of SMS platforms are just glorified megaphones—they let you blast messages out to people, but if someone texts back with a question, you're out of luck. That's not good enough. Customers expect to be able to text you back and get an actual response, like they would with a friend. (Ok, maybe not exactly like a friend. Hopefully, your business is better at responding than my friends are.)

  • Able to integrate with other apps and services, so you can automate workflows. Look, I am lazy. I don't want to manually do things that a computer could do for me. If someone abandons their cart, I want the system to automatically send them a text reminder. If someone fills out a contact form, I want them automatically added to my SMS list. The best SMS platforms integrate with other tools, whether that's your eCommerce platform, your CRM, your email marketing software, or literally any other app you use to run your business.

  • Affordable with flexible pricing, so teams at any stage can get started. Some apps want you to pay thousands per month, which is fine if you're a massive company that sells yachts or something. But if you're a normal business selling normal things to normal people, you need something affordable. This meant prioritizing services that are either pay-as-you-go or offer tiered plans without punishing entry-level pricing. 

  • Able to scale as needed. On the flip side, if you are a big business sending thousands of texts, you need a platform that can handle that volume without falling apart or charging you a kidney per message. The ideal platform grows with you, whether you're sending 50 texts a month or 50,000.

I should probably mention that this isn't a list of marketing automation platforms that can send tens of thousands of texts at once to run some giant coordinated campaign (though some of the apps I chose can do that if you need them to). And while some of these apps offer comprehensive features like voice calls and sending actual physical faxes (yes, faxes are apparently still a thing in some industries, and I have questions), their core function is to make it easy to send SMS messages to your customers and get replies back.

Also, a quick note: if you're sending texts to customers in the US, you'll need to register with The Campaign Registry. Phone numbers that aren't registered are likely to be blocked by carriers, meaning all the companies on this list have taken measures to ensure compliance—some require you to fill out a form, while others handle the registration for you.

I checked out every SMS message app I could find, testing all the ones that appeared to tick the boxes I mentioned above. I signed up for free trials, clicked through dashboards, sent test messages to my own phone until I was annoyed with myself, and explored any automation and integration features. After thoroughly investigating the most promising options and ruling out the ones that were confusing, overpriced, or just plain bad, I ended up with the list you're about to read.

The best SMS marketing apps at a glance

Ideal para

Características destacadas

Precios

página web

SimpleTexting

Campañas de marketing por SMS fáciles de ejecutar

Built-in apps and integrations for surveys and competitions

Desde 39 $/mes por 500 créditos

Visita SimpleTexting

Textmagic

Envía rápidamente mensajes de texto

Aplicación web intuitiva y precios de pago por uso

A partir de 0,049 $/mensaje de texto enviado; números virtuales dedicados desde 10 $/mes.

Visita Textmagic

Textla

Precio bajo por mensaje de texto

Excelente incorporación para que puedas empezar rápidamente

Desde 19 $/mes más 0,01 $/mensaje de texto

Visita Textla

SlickText

Recopilación de números de teléfono y marketing avanzado

Opt-in web forms and pop-ups; loyalty programs

Desde 29 $/mes por 500 mensajes de texto

Visit SlickText

Mensaje de ventas

Sales teams using SMS

Local numbers in the US and Canada; integrations with CRMs

From $25/month for 500 texts and a single phone number

Visita Salesmsg

EZ Texting

Straightforward mass texting

Great onboarding and help docs

From $25/month for 500 texts and 1 textable number

Visita EZ Texting

Twilio

Personalización del marketing por SMS

Completely flexible and customizable; API for building custom apps

Texts start at $0.0083/message sent and received; dedicated phone numbers from $0.50/month (plus a $1.15 setup fee)

Visita Twilio

Attentive

Large eCommerce brands

Enterprise-grade messaging with patented list-growth tools

Precios personalizados

Visit Attentive

ClickSend

No-contract global texting

24/7 human customer support

Starts at $0.0095/text sent

Visit ClickSend

Best SMS marketing software for easy-to-run marketing campaigns

SimpleTexting

SimpleTexting, nuestra elección como mejor aplicación de SMS para campañas de marketing fáciles de ejecutar

Ventajas de SimpleTexting:

  • Facilita enormemente la creación de una lista de marketing 

  • Las aplicaciones e integraciones incorporadas te permiten realizar encuestas y concursos y automatizar todo 

Desventajas de SimpleTexting:

  • Enviar mensajes individuales es posible pero no es intuitivo

SimpleTexting es la mejor opción si buscas lanzar campañas de marketing rápidamente. La interfaz de usuario es intuitiva, con todo accesible desde la pantalla principal; ni siquiera necesité ver ningún tutorial para entender cómo funcionaban las cosas.

Aunque puedes contactar directamente con los clientes, SimpleTexting se enfoca más en campañas de marketing fáciles de ejecutar, donde envías el mismo mensaje a todos los miembros de una lista. Ve a la pestaña Campañas, haz clic en Nuevo, asígnale un nombre y ya estás listo para empezar a hacer marketing para tus clientes.

To get new prospects on your list, set up a keyword in the Keywords tab. For example, potential customers can text SAUSAGE to 555888 and get put on your Sausage and Hot Dog Deals list. (This is also a great way to learn who in your audience is living their best life.) As soon as they join, an autoresponder can immediately text them with a discount code and ask them if they want more information. If they do, it can respond with another text.

With SimpleTexting's built-in apps available in the Apps tab, you can also conduct more technical marketing efforts like running surveys, polls, and sweepstakes. And the platform has gotten better at helping you write those messages, too. AI Assist (a built-in SMS copy generator) lives inside the campaign composer, so you can draft, reword, and tighten messages without bouncing to another tool.

Por supuesto, para cualquier esfuerzo de marketing, necesitas análisis. La pestaña Analytics de SimpleTexting ofrece un desglose detallado del funcionamiento de tus campañas con información como el número de nuevos suscriptores, la palabra clave que utilizan para unirse, cuántas respuestas automáticas se han activado, el número de personas que se han dado de baja y las respuestas que te han enviado.

Y también hay muchas otras funciones interesantes. Puedes configurar un mensaje de ausencia en caso de que un cliente te envíe un mensaje de texto cuando estás cerrado, y el plan más económico incluye tres usuarios para que puedas colaborar con tu equipo. Puedes dejar notas en las conversaciones o asignarlas a tus compañeros de equipo. En resumen, cumple con muchos requisitos.

SimpleTexting also integrates with Zapier, so you can do things like automatically add people to your Sausage and Hot Dog Deals list from Facebook lead ads or anywhere else you get your leads.

Automate SimpleTexting

Precios de SimpleTexting: desde 39 $/mes por 500 créditos (suficientes para 500 mensajes cortos). Los créditos adicionales cuestan 0,055 $ en el plan de entrada; hay planes de mayor volumen si necesitas enviar más mensajes.

Best SMS marketing software for quickly sending texts

Textmagic

TextMagic, nuestra elección como mejor aplicación de SMS para enviar mensajes de texto rápidamente

Textmagic pros:

  • La aplicación web es muy intuitiva y fácil de usar 

  • El precio de pago por uso significa que no estás comprometido con un plan. 

Desventajas de Textmagic:

  • Las funciones de automatización no son tan avanzadas como algunas de las otras opciones

A diferencia de otras aplicaciones, que se abren a un panel de control lleno de widgets y opciones, Textmagic te lleva directamente a lo que quieres hacer: enviar un mensaje de texto.

Pero eso no significa que Textmagic no sea funcional ni potente. Puedes enviar mensajes desde el número de Textmagic para que las respuestas vayan a la API, la aplicación web o a tu correo electrónico; o desde tu propio número de móvil para que las respuestas se reciban directamente en tu teléfono. Puedes crear listas de contactos importando una hoja de cálculo de Excel o un archivo CSV, introduciéndolos manualmente en la pestaña Contacts de la aplicación, guardando el número de cualquiera que te envíe un mensaje de texto o utilizando un formulario de clic para enviar mensaje en tu página web.

In the Scheduled tab, you can schedule messages, for example, to send out a Friday Specials text every week. You can also set up templates in the Templates tab to quickly send recurring messages—like appointment confirmations—and automate responses to customer texts. And of course, you can quickly and easily send customers a text from the web or the iOS and Android apps.

Really, Textmagic hits that sweet spot of being both a joy to use and powerful enough for almost any SMS marketing use case. And even better, text credits are entirely pay-as-you-go, so you're not locked into an expensive ongoing contract. You prepay for credit, pay $10/month for a virtual number, and then just send texts—which start at $0.049—as much or as little as you need. You can pay less per text if you're willing to sign up for a monthly subscription, though, meaning there's flexibility for scaling.

More recently, Textmagic has leaned harder into lightweight SMS automation. Simple flows can string together messages (and, in some cases, email) so you can follow up without manually chasing every reply.

You can also connect Textmagic to thousands of organizational tools, scheduling calendars, and other apps through Zapier, so you can do things like automatically follow up with leads.

Automate TextMagic

Precios de Textmagic: el pago por uso cuesta a partir de 0,049 $/mensaje de texto enviado; números virtuales dedicados desde 10 $/mes.

Best SMS marketing software for low per-text pricing

Textla

Textla, nuestra elección como mejor aplicación de SMS por su bajo coste por mensaje.

Textla pros:

  • Muy económica

  • Fácil de usar

Desventajas de Textla:

  • No hay integraciones nativas (pero sí se integra con Zapier)

Textla es muy fácil de empezar a usar. Una encuesta de incorporación recopila toda la información necesaria para registrarse en The Campaign Registry, y habrá muchas oportunidades de hablar sobre tus necesidades con un agente humano de atención al cliente después. Recibí un mensaje de texto y un correo de voz al día siguiente de configurar mi cuenta de prueba. 

The app itself is simple to use. There's an inbox to start sending texts as soon as you're approved, and you can easily set up campaigns, manage your contacts, and review your analytics.

The real standout here, though, is the price. There's a monthly subscription, starting at $19/month, and a per-text charge of $0.005 per message. That works out to one cent every twenty texts, a fraction of the price offered by most of the apps on this list. That can add up to big savings—and because the app itself is also quite good, you're not compromising.

Textla also connects with Zapier so you can connect it to the rest of your tech stack and set up a fully automated SMS system.

Automate Textla

Precios de Textla: desde 19 $/mes más 0,01 $ por mensaje

Best SMS marketing software for collecting phone numbers and advanced marketing

SlickText

SlickText, nuestra elección para recopilar números de teléfono y marketing avanzado

SlickText pros:

  • Los formularios de suscripción voluntaria y las ventanas emergentes facilitan mucho la recopilación de números de teléfono a través de tu página web o cuentas de redes sociales, además puedes usarlos para ejecutar un programa de fidelización.

  • La sólida incorporación y los consejos útiles en toda la aplicación facilitan el arranque sin importar tus conocimientos técnicos. 

SlickText cons:

  • Podría ser más de lo que necesitas para un servicio básico de mensajería de texto

SlickText es versátil. Si quieres funciones de marketing, aquí las tienes a montones, pero también ofrece una bandeja de entrada bastante buena para conversaciones uno a uno. Para mí, sin embargo, la verdadera fortaleza aquí es que facilita la recopilación de números de teléfono de diversas maneras y la ejecución de campañas de marketing enviándoles mensajes de texto.

La incorporación es rápida y completa, con un asistente que te pregunta en qué sector trabajas y te guía a través de las funciones relevantes. Los tutoriales presentan la mejor función de SlickText: sus herramientas de marketing. Aquí encontrarás formularios web de suscripción voluntaria fáciles de configurar, ventanas emergentes, encuestas de texto, enlaces automáticos de suscripción, cupones, concursos, códigos promocionales, programas de fidelidad y más, junto con consejos útiles sobre cómo usarlos.

Me impresionó mucho lo bonitas que eran las plantillas predeterminadas. Por ejemplo, puedes tener una ventana emergente atractiva en tu página web lista para recopilar números de teléfono en solo unos minutos, lo cual es más de lo que se puede decir de muchas otras aplicaciones de marketing por SMS. Lo mismo ocurre con las demás herramientas de marketing de SlickText: son simplemente buenas. Realmente, es sorprendente cuánta funcionalidad está oculta en una sola sección de la aplicación.

Enviar mensajes a tus listas de marketing también es sencillo. Ve a Send a Message, selecciona la lista a la que quieres dirigirte, introduce tu mensaje de texto y pulsa enviar. (También puedes configurar la programación para un momento futuro o para que se envíe regularmente, como los viernes o el último día del mes).

SlickText also has its own Workflows—available on every plan—that allow you to further automate your SMS marketing plans. Alternatively, you can integrate SlickText with Zapier so that anyone who fills in a form, abandons their cart, or takes any other sort of action gets a text.

Automate SlickText

Precios de SlickText: desde 29 $/mes por 500 mensajes de texto

Best SMS marketing software for sales teams

Mensaje de ventas

Salesmsg, nuestra elección como mejor aplicación de SMS para pequeñas empresas locales

Salesmsg pros:

  • Te permite conseguir un número local estés donde estés en EE. UU. o Canadá 

  • Se integra con HubSpot, Pipedrive y otros CRMs

  • AI agents that automatically qualify leads and book meetings

Desventajas de Salesmsg:

  • La aplicación web es un poco simplista

  • La prueba gratuita requiere un número de tarjeta de crédito

Salesmsg is a great option for US- or Canada-based sales reps, field teams, or customer-facing roles that need a local presence. Unfortunately, it's not available internationally beyond that.

Tan pronto como te registres en Salesmsg, se te solicitará que crees un número local. Este es el número del que parecerán provenir todos tus mensajes, y puedes asignar un número diferente para cada miembro del equipo. También te preguntarán si quieres iniciar el proceso de cumplimiento, aunque puedes probar la aplicación durante tu prueba gratuita sin hacer esto.

Salesmsg has one of the most straightforward web apps of any of the services on this list. You'll find the usual tabs in the sidebar—Inboxes, Outbound, Contacts, and Analytics—alongside one that's a little less common—AI & Automation. You can optionally set up an autonomous AI agent that can handle inbound questions and two-way conversations, though how comfortable you are letting a bot talk to your customers is a personal decision. Salesmsg has expanded this concept with specialized agents that go a step further: a booking AI agent that can schedule appointments over SMS, and an AI calling agent for automated voice conversations.

If you're building out repeatable messaging at scale, the AI knowledge base lets you document what your agent should know (and how it should answer), while the AI texting assistant helps you draft and refine messages so your team can move faster without losing your voice.

Salesmsg Campaigns let you run broadcast-style texting with more sophistication than a simple blast. It uses AI to help with timing and sequencing, so follow-ups land when they're most likely to get a response. For true "if this/then that" automation, Salesmsg Workflows adds a visual builder for triggers, actions, and logic, handy for capturing leads, booking appointments, and keeping conversations moving without manual busywork.

Si quieres, también puedes activar el desvío de llamadas, de modo que si un cliente llama al número desde el que se envían los mensajes de texto, se le reenviará a tu teléfono personal o de trabajo, o simplemente puedes responder las llamadas usando la app. (Probar esto fue un poco absurdo, ya que las llamadas se estaban enrutando a través de servidores VoIP de todo el mundo para que mi voz viajara quince centímetros.)

A pesar de la sencilla aplicación web, Salesmsg tiene mucho potencial.

Salesmsg integrates with CRM platforms like HubSpot, Pipedrive, and Zoho, so you can use your CRM of choice and have Salesmsg automatically handle the text messaging. You can also use its triggers to create a webhook that you can use to send specific kinds of messages, like appointment reminders. Or you can use Zapier to connect Salesmsg to any service you want, so you can automate SMS and make sure it works with the rest of your marketing tactics.

Automate Salesmsg

Precios de Salesmsg: From $25/month for 500 text messages and a single phone number. Additional messages are $0.04; additional numbers are $10/month. High-volume customers can save a little, per text, by opting for a higher priced tier.

Best SMS marketing software for straightforward mass texting

EZ Texting

EZ Texting, nuestra elección para personas sin conocimientos técnicos que quieren orientación.

Ventajas de EZ Texting:

  • Some of the best onboarding and help docs for non-technical users 

  • El servicio de atención al cliente está disponible y encantado de ayudar. 

Desventajas de EZ Texting:

  • Todo el acompañamiento puede resultar molesto si sabes lo que quieres hacer

EZ Texting doesn't do much that the other apps don't: you can text your customers as a group or 1-on-1 from the Inbox; you can set up various kinds of marketing campaigns from the Campaigns tab; and you can view reports in the Reporting tab. What makes it stand out, though, is that at every step, EZ Texting makes it very clear what to do. And if you get stuck, there's the Getting Started Kit and informative help docs to sort you out.

Regístrate para una prueba gratuita, y podrás probar todas las funciones, con la importante salvedad de que solo puedes enviar mensajes de texto a tu propio número de teléfono hasta que empieces a pagar. Es suficiente, no obstante, para hacerte una idea de cómo funciona la aplicación. El panel de control después de iniciar sesión tiene botones grandes y fáciles de usar para mensajes de texto grupales, conversaciones, campañas de goteo automatizadas, palabras clave y formularios de registro.  

Click any of these buttons, and there are clear instructions on how to use it and, in the case of things like templates, working examples. If you aren't really comfortable with new apps, it's hard to beat this level of instruction. And, as the signup emails will keep reminding you, you can always schedule a call with one of their team members if you need more help. (Nothing says "we care" like "please book time.")

If you're looking for more automation than classic drip campaigns, EZ Texting's Workflows feature adds a visual, drag-and-drop way to build trigger-based sequences with ready-made templates (like abandoned cart nudges, after-hours auto-replies, and reminders).

EZ Texting doesn't oversimplify a complex product—it just makes it very accessible. It's as powerful as any others on this list. You can even use EZ Texting's Zapier integrations to connect it to any of the other apps you use in your business, so you can automate all your SMS workflows.

Automate EZ Texting

Precios de EZ Texting: desde 25 $/mes para 500 mensajes de texto y un número para enviar y recibir mensajes.

Best SMS marketing software for customization

Twilio

Twilio, nuestra elección como mejor aplicación de SMS para personalización

Twilio pros:

  • Completamente flexible y personalizable para cualquier caso de uso 

  • Las funciones sin código y la integración con Zapier lo hacen accesible para quienes no son desarrolladores

Desventajas de Twilio:

  • Requiere mucho más esfuerzo para configurarla que cualquier otra aplicación de esta lista. 

  • Solo un backend 

Puede que estés aquí porque buscas una alternativa a Twilio, pero escúchame. Twilio, a diferencia de los otros softwares de SMS de esta lista, es un lienzo en blanco. Ofrece una variedad de API, por lo que las empresas pueden integrar mensajería SMS, redirección de números de teléfono y docenas de funciones similares en sus propias aplicaciones y servicios para hacer lo que deseen. Uber, Airbnb y Reddit son solo algunas de las empresas que lo usan entre bastidores. 

Y aunque Twilio está principalmente dirigido a desarrolladores, en realidad no necesitas serlo para utilizarlo; hay suficientes funciones sin código para que la mayoría de las personas con algunos conocimientos técnicos generales puedan manejarse. En lugar de crear tus propias aplicaciones, por ejemplo, puedes utilizar servicios como Zapier, HubSpot y Zoho CRM para conectarte directamente a la API de Twilio, sin necesidad de hacer mucha, o ninguna, codificación. Generalmente solo tienes que averiguar qué fragmentos necesitas copiar y pegar en dónde. 

For example, by connecting your Twilio account to your Zapier account, you'll be able to send and receive text messages using your email account or collect texts in Slack or a Google Sheets spreadsheet. Learn more about how to automate Twilio.

Automate Twilio

O puedes profundizar en otras funciones de Twilio, como Studio y CodeExchange, que ayudan a los no desarrolladores a crear sus propias aplicaciones. Además, para la mayoría de los casos de uso, Twilio debería resultar más económico que los otros servicios de marketing por SMS si estás dispuesto a hacer el trabajo para ponerlo en marcha.

Twilio price: Since Twilio is more of a platform than an app, its pricing is a little different from the others on this list. Text messages start around $0.0083/message sent and received—although there's an additional carrier fee of around $0.003/text on messages you send. Dedicated phone numbers start at $0.50/month (plus a $1.15 setup fee).

Best SMS marketing software for large eCommerce brands

Attentive

Attentive, our pick for the best SMS app for large eCommerce brands.
Image source: Attentive

Attentive pros:

  • AI-powered personalization optimizes send times, copy, and audience targeting automatically

  • Integrations with 150+ eCommerce and CX tools make it easier to personalize messages

  • Strong support and onboarding for high-volume programs

Attentive cons:

  • Contract-based with quarterly minimums

  • Not a great fit if you mainly need a simple texting inbox or basic broadcasts

If you're running a mid-market or enterprise retail operation, Attentive is your guy. It's built for serious eCommerce brands that want SMS to be a major revenue driver, not just another marketing channel.

Rather than manually figuring out when to send messages or which customers to target, Attentive's agentic AI analyzes customer behavior and automatically optimizes everything from send times to message content. The platform offers different AI modules: AI Pro handles performance optimization, AI Grow focuses on list acquisition, and AI Journeys creates hyper-personalized triggered messages for things like welcome series and cart abandonment flows.

Speaking of list growth, Attentive's patented "two-tap" technology is designed to make subscribing on mobile almost frictionless while still staying compliant. Instead of asking visitors to type in their phone number into yet another form, it prompts them to tap a call to action that pre-populates a text message in their native messaging app. They just have to hit send to confirm their opt-in. It's a small thing, but because SMS list growth is often less about persuasion and more about removing tiny points of resistance, this little mechanic can matter more than an entire afternoon of "conversion optimization" meetings.

The platform also includes Attentive Signal, which identifies anonymous website visitors and helps convert browsers into subscribers. For brands struggling with the loss of third-party cookies, this is a meaningful advantage. Beyond that, you get advanced segmentation, A/B testing, cross-channel journeys (SMS and email together), and, if you want to stay ahead of the curve, RCS Business Messaging support, which allows for rich media, interactive buttons, and branded sender profiles right in the native messaging app.

One thing to keep in mind is that Attentive is only for eCommerce. If you're a dental office or a dog groomer or literally any other kind of business, this platform will be useless to you. It's built for online stores that want to squeeze every possible dollar out of their mobile traffic, and it does that job incredibly well, but it does not do other jobs. Also, they're going to make you sign a contract with minimum spend commitments. Which means you're committing to spending a certain amount every quarter, even if you decide halfway through that you hate texting and want to go back to just posting on Instagram.

But if you are a big eCommerce brand, you have the budget, and you're serious about using SMS to make money (not just to "engage" or "build community" or whatever other vague nonsense marketers say when they can't prove ROI), then Attentive is probably the best option on this entire list.

Attentive integrates with the major players in the eCommerce ecosystem, including Shopify, Klaviyo, Snowflake, Salesforce, and Zendesk. You can also connect it to Zapier, so it can talk to the rest of your tech stack. Build AI-powered automated systems for all your SMS workflows.

Automate Attentive

Attentive pricing: Custom pricing based on business size and message volume.

Best SMS marketing software for no-contract global texting

ClickSend

ClickSend, our pick for the best SMS app for no-contract global texting.

ClickSend pros:

  • Great for operational and transactional messaging and can still handle bulk sends

  • Supports messaging all over the world

  • 24/7 human customer support

ClickSend cons:

  • Campaign content requires manual approval before sending

  • Costs can add up quickly if your messages use emojis or run long

ClickSend used to be a bit of a Jack of all trades—SMS, voice, email, fax, even physical mail—as if it had personally taken offense to the idea that any message remain undelivered. But these days, it's gone all-in on SMS and MMS.

The platform claims to support messaging in over 200 countries, which is frankly absurd (only because I'm pretty sure there aren't even 200 countries in the world). If your business operates internationally, ClickSend is one of the few platforms that delivers globally without making you jump through flaming hoops.

The web dashboard is clean. It's not as hand-holdy as something like EZ Texting, but you won't be scratching your head either. You can send individual texts, manage your contacts, or fire off bulk campaigns. MMS is well-supported, too. Those messages can run up to 1,500 characters and attach images or GIFs. ClickSend will even auto-resize pictures so they don't get rejected by carriers, sparing you the small indignity of opening an image editor for the sole purpose of reducing a file by 12%.

For developer types—or for people who have developer types working for them—ClickSend offers REST APIs. This means you can build SMS functionality directly into your own apps or internal systems. The API documentation is apparently quite good (according to people who understand what API documentation is supposed to look like), and ClickSend supports basically every programming language you've heard of and several you haven't.

The real draw, though, is the pricing model. There aren't any monthly plans to worry about—you only pay for what you send. It's not the cheapest per-text rate in existence, but the absence of a monthly fee means you aren't paying for the privilege of not using it. If you have a seasonal business or just text customers irregularly, this can be significantly cheaper than subscription-based platforms.

However, if your messages include emojis, ClickSend switches to Unicode encoding, which cuts the SMS character limit per segment from 160 down to 70. A single cheerful 🎉 can turn one text into one or two additional billed segments, so keep an eye on your message length unless you enjoy paying extra for enthusiasm.

There is one other speed bump worth mentioning. ClickSend requires a team member to manually approve your SMS campaigns before they go out. This is a compliance measure, and it makes sense given today's regulatory funhouse, but it means you can't fire off a last-minute flash sale text and have it land in inboxes 30 seconds later. Plan a little ahead, and it won't be an issue.

ClickSend integrates with Zapier, so you can connect it to the rest of your business apps and automate texts based on triggers from your CRM, scheduling tools, or eCommerce platform. Check out some ideas for automating ClickSend, or get started with a pre-made template.

Automate ClickSend

ClickSend pricing: Pay-as-you-go starts at $0.0095/text sent

Orchestrate your SMS campaigns with Zapier

No matter which SMS marketing app you choose, the real power comes from connecting it to the rest of your tech stack. With Zapier, you're not limited to whatever's built into each platform. You can automatically add new leads to your SMS lists from forms, CRMs, or ad platforms. You can trigger personalized texts when someone makes a purchase, abandons a cart, or books an appointment. You can even pipe incoming text responses into Slack, a spreadsheet, or your help desk, all without writing a single line of code.

And if you want to keep things simple, SMS by Zapier lets you send text messages as part of any Zap—no separate SMS platform required. It's a lightweight option if you just need to send quick notifications or alerts as part of a larger automation.

Whatever your setup, connecting your SMS marketing to the tools you already use is what turns one-off texts into a scalable, always-on system.

Prueba Zapier gratis

Lecturas relacionadas:

  • SMS by Zapier: envía alertas por mensaje de texto automáticas para eventos prioritarios

  • Las mejores aplicaciones de mensajería segura

  • How to text from a computer

  • Los mejores proveedores de VoIP

  • Marketing por correo electrónico para comercio electrónico: estrategias y consejos para el éxito

This article was originally published in June 2019 by Harry Guinness and has also had contributions from Justin Pot. The most recent update was in March 2026.

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