Will the Time Timer App Update work on my phone? December 18, 2023 15:08 Updated If your phone runs Android 11 or newer and has Google Play, then the Time Timer mobile app will run on your device. Related articles What is the duration of the Time Timer Watch alert at the end of a Timer or Alarm? How To: Log-in to / Create a Time Timer Account How To: Syncing Between Devices Quick Start to the App Update I purchased a new device or accidentally deleted the App. Do I have to buy the app again?