OpenTok vs QuickBlox: What are the differences?

Developers describe OpenTok as "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. On the other hand, QuickBlox is detailed as "Connect your user with mobile group chat, content sharing, user accounts and more". Add powerful communication features to your mobile app and data services for your backend
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OpenTok and QuickBlox can be categorized as "Communications SDK" tools.

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, QuickBlox provides the following key features:

• Chat/IM
• User login/registration, SSO
• Video Calling