Where can I find the support chat embedded in the Android app?

Question

Mobile development

There is an app for Android. Need chat functionality with customer support, such as in Rocket Bank. Like this one: taifuno.me The
desired functionality:
- push notifications for new messages from support,
- web interface for support operators,
- quick integration into a ready-made application,
- cross-platform: Android and iOS
- preferably, a third-party service, not library.

Answer 1

smooch.io
There are many integrated services, although you can connect to viber or slack.
Sawing all this into a ready-made application - a couple of lines of code, there is a free starter plan.