Blitz

**A chess clock made for blitz** • Defaults to 5+3 Fischer timing: 5 minutes + 3 seconds per move • FIDE-compliant: initial time for 5+3 is 5:03, not 5:00 • Privacy-friendly: no ads, no permissions **Fast and intuitive controls** • Touching the screen switches to the next player • Horizontal and vertical dragging set the time and increment • Haptic feedback is enabled by setting the ringtone to vibrate • Back gestures pause and reset the clock **Robust time implementation** • Uses the most precise time source available on the device • Clock implementation tested with 100% code coverage **Free and secure** • Free software with reproducible builds • Meets Android 17 security requirements • Enables memory tagging on compatible devices

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