The Chess.com app offers a haptic feedback feature that vibrates when a move is made and when time is running low in your game. If you prefer not to use this feature, you can easily turn off one or both options.
Haptic Feedback
This feature makes your device vibrate slightly after every move.
On the Chess.com app, tap More on the bottom menu of the home screen and select Settings
Choose Board from the Settings menu
Toggle Haptic Feedback according to your preference:
Low-Time Haptic Feedback
This feature makes your device vibrate when you are low on time.
On the Chess.com app, tap More on the bottom menu of the home screen and select Settings
Choose Play from the Settings menu and tap on Live Chess
Toggle Low-Time Haptic Feedback according to your preference: