Judo Scoreboard: JudoScore

JudoScore turns your phone or tablet into a tournament-grade judo
scoreboard. Designed for coaches, referees and clubs, it handles full
IJF-style scoring (Ippon, Waza-ari, Shido, Hansoku-make), automatic
Osaekomi counting, Golden Score, and a complete event log for every
match.
Features
• Live scoreboard with huge, readable digits and high-contrast white/blue
panels
• Match timer with start, pause, reset and Hajime / Mate haptics
• Automatic Osaekomi: Waza-ari at 10 s, Ippon at 20 s, with audible
countdown cues
• Golden Score mode that activates automatically when scores are tied
• Penalty tracking with three-shido Hansoku-make rule
• Undo any action — never panic about a mis-tap
• Match setup with age categories (Kids · Juniors · Seniors · Masters)
and configurable duration
• Tournament bracket builder for single-elimination events
• Full match history with per-event timeline and share-to-clipboard
summary
• Beautiful Material 3 light & dark themes
• Works completely offline — no account, no ads, no tracking
Built for
Judo clubs, randori nights, school competitions, coach education sessions
and home practice. Equally usable at the head table of a small tournament
or in your living room with the kids.
Trust
No data leaves your device. Everything is stored locally using your
phone’s secure preferences.