# GACHI 反射 — Train Reflexes & Brain Power

> Train Reflexes & Brain Power (iPhone/iPad app by Yuya Yoshida.)

- Source: https://appshunter.io/ios/app/gachi/id6800082358 (this page in markdown: same URL + `.md`)
- Developer: [Yuya Yoshida](https://appshunter.io/developer/1823829175)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 75 MB
- Languages: American English
- Released: 2026-10-15
- Data updated: 2026-10-31

## What is GACHI 反射?

Could your reflexes actually be slowing down...?

"Reflex Master" is the ultimate training app designed to measure and boost your reaction time down to the millisecond (ms).

Perfect for warming up before playing FPS, fighting games, or rhythm games!

[Key Features & Highlights]

Precise Millisecond Measurement: Accurately calculates your reaction time down to the millisecond, like "0.123s".

Diverse Test Modes:

Visual Reaction (Instantly react to colors and lights)

Auditory Reaction (Tap immediately upon hearing a sound)

Dynamic Vision & Combo Test

Rank Evaluation System: Earn ranks like "S Rank" or "Godlike" based on your score. Share to social media with a single tap!

Visualize Your Growth: Analyzes past data to display your peak reflexes and trends in clear graphs.

[Recommended For]

Anyone who wants to know their exact reaction time (ms).

Gamers looking for a quick warm-up to win in FPS or fighting games.

Anyone wanting to improve concentration, decision-making, and dynamic vision.

Friends who want to compete to see who has the fastest reflexes.

A single moment of hesitation leads to defeat. Download now and claim the title of the fastest!

## Is GACHI 反射 safe?

Not enough ratings yet to assess GACHI 反射.

## Is GACHI 反射 legit?

GACHI 反射 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for GACHI 反射 is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.0.4 — 2026-10-28

Fixed the leaderboard UI and resolved the bug where rankings were not displayed.

### 1.0.3 — 2026-10-24

Fixed sluggish performance.

### 1.0.2 — 2026-10-20

- Enhanced security.
- Updated settings UI.

### 1.0.1 — 2026-10-19

Fixed bugs.
Increased stamina from 7 to 10.

### 1.0.0 — 2026-10-14

No release notes.

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## More apps by Yuya Yoshida

- [2sidePLL](https://appshunter.io/ios/app/2sidepll/id6747999697)
- [FontMaster](https://appshunter.io/ios/app/fontmaster/id6748490329)
- [GACHI CROSS](https://appshunter.io/ios/app/gachi-cross/id6763540292)

All apps by Yuya Yoshida: https://appshunter.io/developer/1823829175

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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 2026-10-31.*