Cost / License
- Subscription
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)




Twilio is described as 'Web-service API that lets you use your existing web languages and skills to build voice and SMS applications. We focus on building a simple, powerful, pay-as-you-go communications platform so that you can focus on what you do best' and is an website in the social & communications category. There are more than 100 alternatives to Twilio, not only websites but also apps for a variety of platforms, including SaaS, Android, iPhone and Windows apps. The best Twilio alternative is UniStack. It's not free, so if you're looking for a free alternative, you could try Wazo or Fonoster. Other great sites and apps similar to Twilio are Dexatel, Smarter Contact, Lead Sherpa and Textmagic.




Communications API Platform - Easily add texting or calling to any app through http API. Send/Receive text messages, picture messages, phone calls in one line of code.




ExpressText is a SMS Marketing provider that allows anyone with access to a computer and internet connection to utilize mobile marketing, one of the most effective forms of consumer advertisement. With our service, individuals and businesses can manage and execute effective SMS...
Started as a reimplementation of the open source Plivo Framework (unmaintained as of 2015), Eqivo simplifies the integration between web applications and voice-enabled endpoints, such as traditional phone lines (PSTN), VoIP phones, webRTC clients etc.





Apptimate is the most secure Communication and Positioning as a Service. We offer secure Point-2-multi point communication between users, apps, devices and “things”, outside firewalls. It’s anonymized, advanced elliptical curve encrypted, multi-factor authenticated and...

SMS Messaging, Simplified. Compliant, reliable and scalable SMS infrastructure for business-critical transactional and marketing messages.




Seamlessly send thousands of SMS in seconds with reliable delivery and real-time tracking with DIGINTRA's Bulk SMS API.

SMS Privacy allows you to buy mobile phone numbers, using Bitcoin, with completely anonymous signup. We don't even take an email address if you don't want to supply one. You can send and receive SMS text messages on these anonymous numbers using our web interface.