We'll create fresh WordPress site with MQTT CHAT Plugin installed. You have 20 minutes to test the plugin after that site we'll be deleted.
All chat features are there: Send private messages, Photos, Voice notes, Typing indicators, Read receipt.
Template choice: embedded or similar to facebook.
Application hosted in our servers, we take care of all the work. No installation No configuration.
Even a beginner in PHP ,Javascript and android can work with !