Blitz: Fischer Chess Clock
10+
Downloads
Everyone
info
About this app
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 15 security requirements
• Enables memory tagging on compatible devices
• 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 15 security requirements
• Enables memory tagging on compatible devices
Updated on
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No data shared with third parties
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No data collected
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What's new
• Update dependencies
App support
About the developer
Léo Alexis de Souza
hello@leodesouza.net
Germany
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