Judo Shiai 4+

Judo Scoreboard & Randori

Nicolas Prallet

Designed for iPad

    • 5.0 • 14 Ratings
    • $4.99



Everything you need to referee a judo match! Judo Shiai allows it to display a scoreboard for judo competitions directly on your iPhone or iPad.

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.

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

What’s New

Version 2024.47

This new version makes it easier to change a fighter's color and improves access to scoreboard and randori settings.

We would love to hear your feedback! If you have questions, ideas or issues, feel free to reach out to us. You can contact us using the Contact button in the app or via the website https://judoshiai.app.

If you like the app, please give us a quick rating on the App Store! Thank you for using Judo Shiai! :-)

Ratings and Reviews

5.0 out of 5
14 Ratings

14 Ratings

App Privacy

The developer, Nicolas Prallet, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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