JujitsuScore - Scoreboard

An offline scoreboard app for Jiu-Jitsu matches.
A referee or operator can run the match while recording scores for both athletes (Green & White).
It works without an internet connection, and every action can be undone instantly.

■ Key Features
• Two-athlete scoreboard — GREEN / WHITE
• Official point buttons — Takedown +2, Sweep +2, Knee on Belly +2, Guard Pass +3, Mount +4, Back Control +4
• Separate tracking for advantages / penalties
• Instant Undo — cancel a mis-tapped score in one tap
• Match timer — 10-second countdown before the end, end-of-round buzzer
• Automatic result decision — points → advantages → fewer penalties

■ Rule Settings
• Belt presets — White 5 min, Blue 6 min, Purple 7 min, Brown 8 min, Black 10 min, Kids 4 min
• Custom match time
• Toggle whether draws are allowed
• Automatic disqualification on 4 accumulated penalties
• Official penalty → point conversion (3rd penalty gives the opponent +2)

■ Match Endings
• Submission / Time expired (decision by score) / Disqualification / Injury forfeit / Referee decision

■ Match Records
• Finished matches saved automatically
• Detailed per-match score timeline

■ More
• Landscape scoreboard, large score display mode
• Light / Dark / System theme
• Daily training reminder notifications

Useful in many situations, including gym operations, in-house tournaments, and sparring score keeping.