Referee Race vs Kotoba Deck

Referee Race is the ultimate training app for karate referees and practitioners who want to master the rulebook in a fun and competitive way. Whether you're preparing for a referee certification or simply want to deepen your knowledge of karate rules, Referee Race makes learning engaging and competitive. GAME MODES • Quiz : Test your knowledge across Kumite, Kata, or mixed modules • Daily Challenge : A new timed quiz every day to keep your skills sharp • Duels : Challenge another player in real-time 1v1 battles • Exam : Simulate real exam conditions with 50 questions in 20 minutes • Group Quiz : Compete in multi-player sessions with a live leaderboard TRACK YOUR PROGRESS View your stats, climb the leaderboards (daily, weekly, seasonal, global), and earn badges as you improve.

The Japanese vocabulary of Shotokan karate. You hear the words every class — but where do you actually look them up? Kotoba Deck puts the language of the dojo in your pocket: counting, commands, stances, blocks, strikes, kicks, and etiquette, each with romaji, kanji, a clear pronunciation, and an English meaning.