Clock is a personalization app developed by Tom Swartz for Android devices. It is a widget that saves phone battery and displays the time and alarm on the home screen. The app is free to download and use.

To add the Clock widget to your home screen, press on any free space on the screen and select Widgets. Then, drag the Clock widget to the desired location. The size of the widget can be adjusted from 1 tile to 6.

Clock is optimized to save phone battery while displaying the time and alarm on the home screen. It is a simple and easy-to-use widget that can be customized to fit your preferences. The app was previously known as GioClock, Clock, and Watch.

Overall, Clock is a useful widget for Android users who want to save phone battery and have easy access to the time and alarm on their home screen.