Karate Score Calculator is a simple and reliable tool designed for karate kata competitions that use a judging score system.

It automatically calculates scores that were traditionally handled manually by scorekeepers and record officials, helping competitions run faster and more smoothly.

By eliminating time-consuming calculations and score checks, this app allows officials to focus on managing the match, not the math.

Key Features
No manual score input — select scores by sliding
Automatic score calculation — no need to cross-check results
Automatic ranking calculation
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🥋 Score Calculation
In kata competitions, simply select the scores given by the five judges and the app will instantly calculate the final score.
No typing required — choose scores by sliding for fast operation
Tap the total score to display it in full-screen mode for easy viewing
Calculation Method
From the five selected scores, the highest and lowest scores are discarded
The remaining three scores are summed to produce the final score
Scores can be selected by scrolling up or down with your finger.
By tapping preset buttons such as “6.7” or “7.7”, the selected score will automatically align to the top for quick selection.

🏆 Match Records & Rankings
This feature is designed for tournament-style competitions where many athletes (for example, 20 competitors) perform in sequence and only the top scorers advance to the next round.
Enter scores for up to 70 competitors
Tap “Announce Rankings” to generate a PDF file sorted by rank
The PDF file name includes the selected tournament name and category
Ranking Rules
Competitors are ranked by:
1. Highest total score
2. Highest minimum score
3. Highest maximum score
If all values are identical, the result is highlighted in red.
Competition categories can be selected from a preset list, and custom entries (such as “Ages 11–12”) can also be entered manually.

🏃 Training & Other Tools
Shuttle Run Timer
Useful for daily training or warm-ups before karate practice.
Press Start to begin, and audio cues will guide the session.
Tabata Training Timer
This feature is a simple timer that measures eight sets of 20 seconds of exercise followed by 10 seconds of rest.