ChatEngine vs OpenTok: What are the differences?
What is ChatEngine? Serverless Chat SDK for React Native, Node, and Web, powered by PubNub. An open and extensible chat SDK and APIs for building powerful 1:1 and group chat quickly. Build core chat features quickly, extend functionality with a rich plugin library and customize with programmable Functions-as-a-Service. Powered by the PubNub Network.
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.
ChatEngine and OpenTok can be categorized as "Communications SDK" tools.