# JudoTimer Prime — Timer for Training and Matches

> Timer for Training and Matches (iPhone/iPad app by Masanobu Takahashi.)

- Source: https://appshunter.io/ios/app/judotimer-prime/id6657961046 (this page in markdown: same URL + `.md`)
- Developer: [Masanobu Takahashi](https://appshunter.io/developer/1478045737)
- Category: Sports, Utilities
- Price: $2.99
- Age rating: 4+
- Requires: iOS 14 · 3 MB
- Languages: American English, French (France), Japanese
- Released: 2024-08-30
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/judotimer-prime/id6657961046/reviews.md

## What is JudoTimer Prime?

A judo timer with support for external displays.
Depending on the device orientation and whether an external display is connected, four different functions are available.
Device Only (Portrait): Training Program Timer
Device Only (Landscape): Simple Match Timer
External Display Connected (Landscape): Match Timer Controller
External Display Connected (Portrait): Delayed Camera for Form Analysis

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Introduction and User Guide for iOS Version 1:   https://youtu.be/_FoFjpiDiJU
Updates through iOS Version 2.1.1:   https://youtu.be/FuMekmNhsps
Updates through iOS Version 3.1:   https://youtu.be/tpvMUbI2osM
Updates through iOS Version 5.3:   https://youtu.be/5THtWacEMrY


## Version history (last 5 releases)

### 5.3.1 — 2026-06-10

Minor bug fixes

### 5.3 — 2026-05-17

Added time limit support for Golden Score.

### 5.2.1 — 2026-04-24

Minor bug fixes

### 5.2 — 2026-04-14

スコアボードの操作において、タップとフリックの感度を調整できるようにしました。

### 5.1.1 — 2026-03-27

Minor bug fixes

## Apps similar to JudoTimer Prime

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Judokai lite](https://appshunter.io/ios/app/judokai-lite/id1623786598) | 4.8 (63) | Free | Sports |
| [ATHTRALog](https://appshunter.io/ios/app/athtralog/id6756546629) | — | Free | Sports |
| [Judo Scoreboard](https://appshunter.io/ios/app/judo-scoreboard/id1577055613) | — | Free | Sports |
| [JudoPedia](https://appshunter.io/ios/app/judopedia/id6477220019) | 4.6 (26) | Free | Sports |
| [CADDY+](https://appshunter.io/ios/app/caddy-plus/id6755465172) | 3.8 (5) | Free | Sports |
| [Judokai](https://appshunter.io/ios/app/judokai/id1493052354) | 4.7 (191) | Free | Sports |

## More apps by Masanobu Takahashi

- [SmartMole!](https://appshunter.io/ios/app/smartmole/id1478045738)
- [JudoTimer Basic](https://appshunter.io/ios/app/judotimer-basic/id6670437968)
- [JudoTimer Plus](https://appshunter.io/ios/app/judotimer-plus/id6670438291)

All apps by Masanobu Takahashi: https://appshunter.io/developer/1478045737

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*