Here is a comparison of MirrorFly and Sendbird in terms of Chat Quality: Features: MirrorFly offers 500+ messaging features along with video and voice capabilities. On the other hand, Sendbird focuses on AI chatbots and notifications over chat.  Customization: MirrorFly’s messaging SDK is 100% customizable while Sendbird might pose limitations with certain features.  Scalability: MirrorFly and Sendbird are both highly scalable chat SDKs. Topic-based chat: With its multi-tenant server infrastructure, MirrorFly offers chat that can be classified on a platform based on unique topics/ interests. This feature might still not be available with Sendbird.   For a head-to-head comparison of these providers, check out this page.