We will check it out.
Any reason you are using the app and not just playing Chess.com directly through the ChessUp 2?
The desync issues are largely resolved. The one thing we have left to add is a method for people to observe their games without disconnecting the game (*we warn you if you force disconnect now). But some people still wish to watch it online as well - we are working on that.
Otherwise, online play is best done directly on the device.