Chat and Voice/Video Chat for React Native, Flutter, Cordova, Web, NativeScript, based on XMPP&WebRTC.

experts freemium $39.0 / Monthly

Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.

experts Open Source freemium $9.0 / Monthly (Plus usage-based costs. (Growth Plan). )