Stopwatch & Timer

2026年04月19日

Stopwatch with centisecond accuracy, unlimited lap tracking, and best/worst lap highlighting. Countdown timer with quick presets (1-30 min), custom durations, and saveable presets. Color-coded progress, sound & vibration alerts. Track session history with stats. Dark mode, background timing with
notifications, and keep screen on support. Clean Material 3 design. All data stored locally on your device.