Judo Shiai

Everything you need to referee a judo match on your iPhone or iPad! Judo Shiai now supports the new rules used in 2025.

Whether in competition or in practice, Judo Shiai will quickly become your best companion on tatami.

Display a scoreboard for judo competitions directly on your iPhone or iPad. Additionally, plug your device to a TV or use AirPlay to enjoy a full-screen display!

Also use Judo Shiai to make Randori sessions in a simple and easy way.

Features: – full judo scoreboard – display on external screen (e.g. on TV) – 2025, 2018, 2017, 2013 and 2010 rules available – customizable fight or Osaekomi durations – team match mode – countdown for Randori – choice amongst 4 display themes