Focus Keeper is a Pomodoro timer app for iOS and Android that emphasizes simplicity. It uses the 25/5 cycle with options to customize session and break lengths. The app tracks completed sessions daily, weekly, and monthly. Visual progress charts show streaks and help maintain motivation. Notifications alert you when a session or break starts. The interface is clean and distraction-free. Focus Keeper is ideal for anyone who wants a straightforward mobile Pomodoro timer for consistent focus.