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OpenTok
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OpenTok vs Twilio: What are the differences?

What is OpenTok? Enhance your products with live, face-to-face communication. OpenTok adds the clarity and emotion of face-to-face communication to your brand whether you're developing for the web, iOS, or Android. We make the integration of high-quality live video a breeze so that you can focus on building a great product.

What is Twilio? Bring voice and messaging to your web and mobile applications. Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and receive text messages. Their product allows programmers to more easily integrate various communication methods into their software and programs.

OpenTok can be classified as a tool in the "Communications SDK" category, while Twilio is grouped under "Voice and SMS".

Some of the features offered by OpenTok are:

  • Layout control- Create layouts that complement your content and empower your application's experience.
  • Peer-to-peer calls- Take advantage of peer-to-peer calling for better quality and lower- latency 1:1 scenarios.
  • Archiving- Download or save calls for future playback with this extension to the OpenTok platform.

On the other hand, Twilio provides the following key features:

  • Phone- Phone Numbers API
  • Phone- Convert Text to Speech and Play Audio
  • Phone- Record Calls and Store Them
- No public GitHub repository available -
- No public GitHub repository available -

What is OpenTok?

It adds the clarity and emotion of face-to-face communication to your brand whether you're developing for the web, iOS, or Android. We make the integration of high-quality live video a breeze so that you can focus on building a great product.

What is Twilio?

Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and receive text messages. Their product allows programmers to more easily integrate various communication methods into their software and programs.
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Why do developers choose OpenTok?
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      What tools integrate with OpenTok?
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        What are some alternatives to OpenTok and Twilio?
        WebRTC
        It is a free, open project that enables web browsers with Real-Time Communications (RTC) capabilities via simple JavaScript APIs. The WebRTC components have been optimized to best serve this purpose.
        Agora
        It is intelligent and learns from you. You can ask for a digest on-demand, or schedule for daily or weekly digests. Never miss an important conversation again. Discover the most important ideas and insights on Slack seamlessly. Simply add Agora to Slack.
        Zoom
        Zoom unifies cloud video conferencing, simple online meetings, and cross platform group chat into one easy-to-use platform. Our solution offers the best video, audio, and screen-sharing experience across Zoom Rooms, Windows, Mac, iOS, Android, and H.323/SIP room systems.
        Sinch
        Sinch makes it easy for developers to add voice, messaging and SMS to their apps with just a few lines of code. Enrich your apps with communications that your users will love.
        Nexmo
        Nexmo connects your apps directly to carriers around the world. Integrate SMS and Voice messages using one simple API. Use Nexmo Verity to register users, verify transactions, and implement two factor authentication.
        See all alternatives
        Decisions about OpenTok and Twilio
        Julien DeFrance
        Julien DeFrance
        Principal Software Engineer at Tophatter · | 3 upvotes · 84.4K views
        atSmartZipSmartZip
        Nexmo
        Nexmo
        Twilio
        Twilio
        Twilio Functions
        Twilio Functions
        Authy
        Authy
        Twilio SendGrid
        Twilio SendGrid
        #VoiceAndSms
        #SMS
        #SDK
        #Twilio

        Nexmo vs Twilio ?

        Back in the early days at SmartZip Analytics, that evaluation had - for whatever reason - been made by Product Management. Some developers might have been consulted, but we hadn't made the final call and some key engineering aspects of it were omitted.

        When revamping the platform, I made sure to flip the decision process how it should be. Business provided an input but Engineering lead the way and has the final say on all implementation matters. My engineers and I decided on re-evaluating the criteria and vendor selection. Not only did we need SMS support, but were we not thinking about #VoiceAndSms support as the use cases evolved.

        Also, on an engineering standpoint, SDK mattered. Nexmo didn't have any. Twilio did. No-one would ever want to re-build from scratch integration layers vendors should naturally come up with and provide their customers with.

        Twilio won on all fronts. Including costs and implementation timelines. No-one even noticed the vendor switch.

        Many years later, Twilio demonstrated its position as a leader by holding conferences in the Bay Area, announcing features like Twilio Functions. Even acquired Authy which we also used for 2FA. Twilio's growth has been amazing. Its recent acquisition of SendGrid continues to show it.

        See more
        Interest over time
        Reviews of OpenTok and Twilio
        Review ofTwilioTwilio

        Twilio is by far the most complete solution for SMS, its API is extremely well structured. And its integration with rails is pretty straight forward.

        How developers use OpenTok and Twilio
        Avatar of Instacart
        Instacart uses TwilioTwilio

        We use Twilio extensively for voice call routing, for texting. We, in fact, use it for MMS messaging as of recently...We do number masking. So the personal shopper never has your actual number, you call the Twilio number and it routes you intelligently to the customer. And vice-versa.

        Avatar of Kent Steiner
        Kent Steiner uses TwilioTwilio

        Twilio is a service I have experimented with, and given a project with SMS requirements I would choose Twilio to support that.

        Avatar of William Baker
        William Baker uses TwilioTwilio

        For my own phone forwarding system, SMS messaging, and will gladly build such systems for clients.

        Avatar of atandy
        atandy uses TwilioTwilio

        I set up text-message alerts to be sent to me when an error was raised on the web application.

        Avatar of Zachary Melacncon
        Zachary Melacncon uses TwilioTwilio

        Used with BlueMix NodeRed to build an application that sends a text when it's about to rain.

        How much does OpenTok cost?
        How much does Twilio cost?