# Janken Training — AI recognizes your hand

> AI-powered rock-paper-scissors trainer for brain training. (iPhone/iPad app by Yuma Takeda.)

- Source: https://appshunter.io/ios/app/janken-training/id1560542944 (this page in markdown: same URL + `.md`)
- Developer: [Yuma Takeda](https://appshunter.io/developer/1530135391)
- Category: Health & Fitness, Games, Puzzle
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.1 · 4 MB
- Languages: American English, Japanese
- Released: 2021-03-28
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/janken-training/id1560542944/reviews.md

## What is Janken Training?

AI recognizes your hand!
Let's train your brain with rock-paper-scissors!

## Key features

- AI hand recognition
- Brain training exercises
- Rock-paper-scissors gameplay
- Interactive training

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/janken-training/id1560542944/reviews.md

### 5/5 — Good

*2021-11-19, version 1.0*

Good

## Frequently asked questions about Janken Training

### What is Janken Training?

Janken Training is a mobile application designed to help users train their brains using the classic game of rock-paper-scissors. It utilizes AI to recognize hand gestures for interactive gameplay.

### How accurate is the AI hand recognition in Janken Training?

The application uses AI to recognize your hand gestures for gameplay. Specific accuracy metrics are not provided, but the core function relies on this technology.

### What kind of training does Janken Training offer?

Janken Training focuses on brain training through rock-paper-scissors. It aims to provide an engaging and interactive experience to help improve cognitive skills.

### Is Janken Training free to download and use?

Yes, Janken Training is available for free. It was released on March 28, 2021, and is compatible with iPhone, iPad, and iPod devices.

### What is the age rating for Janken Training?

Janken Training has an age rating of 4+. This makes it suitable for a wide range of users looking for a simple yet engaging brain-training game.

### How often is Janken Training updated?

The latest version of Janken Training is 1.0, and it was last updated on March 28, 2021. Information on future update frequency is not available.

### What do users think of Janken Training?

Janken Training has received a perfect rating of 5.0 stars from 2 ratings, indicating a very positive user sentiment among its current users.

## Version history (last 1 release)

### 1.0 — 2021-03-28

No release notes.

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## More apps by Yuma Takeda

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All apps by Yuma Takeda: https://appshunter.io/developer/1530135391

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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 2026-06-10.*