# YOU FAST? – Reaction Time Test — Reflex Trainer & Reaction Test

> Reflex Trainer & Reaction Test (iPhone/iPad app by Thomas Schifferer.)

- Source: https://appshunter.io/ios/app/you-fast-reaction-time-test/id6761732322 (this page in markdown: same URL + `.md`)
- Developer: [Thomas Schifferer](https://appshunter.io/developer/1891145318)
- Category: Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 2 MB
- Languages: English
- Released: 2026-04-23
- Data updated: 2026-09-13
- User reviews in markdown: https://appshunter.io/ios/app/you-fast-reaction-time-test/id6761732322/reviews.md

## What is YOU FAST??

How fast are you?

YOU FAST? tests your reaction time using iconic Formula 1 starting lights. Wait for the red lights to disappear — then tap as fast as you can.

FEATURES
- F1-inspired starting lights sequence
- Reaction time measured to the millisecond
- Personal best & stats tracking
- Reaction ratings from Average to Superhuman
- Share your score and challenge your friends

The lights go out. Can you beat the reflexes of an F1 driver?


## Version history (last 2 releases)

### 1.4 — 2026-05-03

Polished the UI for smaller iPhones — everything fits better now.
Plus a few small bug fixes.

### 1.1 — 2026-04-23

No release notes.

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## More apps by Thomas Schifferer

- [Walkagotchi](https://appshunter.io/ios/app/walkagotchi/id6771548461)

All apps by Thomas Schifferer: https://appshunter.io/developer/1891145318

## Related topics

[reaction time racing](https://appshunter.io/ios/topics/reaction-time-racing) · [f1 reaction test](https://appshunter.io/ios/topics/f1-reaction-test) · [reaction time challenge](https://appshunter.io/ios/topics/reaction-time-challenge) · [reaction time tester](https://appshunter.io/ios/topics/reaction-time-tester) · [reaction time sound](https://appshunter.io/ios/topics/reaction-time-sound)

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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 2026-09-13.*