Screen Timer is an Android app that helps you track your phone usage. The app shows you a timer that displays how long you have been using your phone. This feature can be displayed either in a floating window or in a notification. The timer resets every day at midnight.

In addition, you can set a phone use limit and receive alerts at different points before your limit is reached. This is an excellent feature for people who want to limit their phone usage. The app is free to use and has no ads, making it a great option for those who want to monitor their phone usage without distractions.