# Reaction Timer Game vs ProReact

The clearest difference is review sentiment: Reaction Timer Game at 63% against ProReact's 0%. Reaction Timer Game also leads on rating (4.2 vs 1.0) and ratings volume (71 vs 1). ProReact's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Reaction Timer Game sells 2 one-off in-app purchases. ProReact asks for nothing beyond the download.

Reaction Timer Game holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Reaction Timer Game has 71 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of Reaction Timer Game's written reviews are positive against 0% of ProReact's.

Reaction Timer Game ships an update every 5 months, ProReact every 3 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Reaction Timer Game | ProReact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (71 ratings)](https://appshunter.io/ios/app/reaction-timer-game/id572319874/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/proreact-reaction-time-test/id1522046954/reviews) |
| Number of ratings | **71** | 1 |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 3 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Coomer](https://appshunter.io/developer/1006451481) | [Kropf IT e.U.](https://appshunter.io/developer/1482647335) |

## What reviewers say

### Reaction Timer Game

[App page](https://appshunter.io/ios/app/reaction-timer-game/id572319874)

Test your reflexes with this game where the goal is to stop a timer exactly on zero. It features multiple difficulty levels and quick rounds, making it perfect for playing anytime, anywhere, even offline.

**Highlights:** Stop timer exactly on zero, Multiple difficulty levels, Quick play rounds, Offline play supported, Single and multi-timer challenges

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Games | $0.49 | one-time |
| Nudges | $0.99 | one-time |


### ProReact

[App page](https://appshunter.io/ios/app/proreact-reaction-time-test/id1522046954)

Test your reflexes by tapping the screen when a red color appears or vibration is felt. This open-source application offers an ad-free experience at no cost. Measure your reaction time and have fun with this simple game.

**Highlights:** Measure reaction time, Tap on red screen, Vibrational feedback, Ad-free experience, Open-source on GitHub

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reaction Timer Game free?

Reaction Timer Game is free to download, with in-app purchases available.

### Is ProReact free?

ProReact is free to download, with no in-app purchases.

### Which has better reviews, Reaction Timer Game or ProReact?

Reaction Timer Game is rated higher. Reaction Timer Game averages 4.2 out of 5 from 71 ratings, while ProReact averages 1.0 from 1 ratings.

### Do Reaction Timer Game or ProReact have ads?

Reaction Timer Game shows ads; ProReact does not.

### Which is updated more often, Reaction Timer Game or ProReact?

Reaction Timer Game ships an update every 5 months, and ProReact every 3 days. Most recently, Reaction Timer Game was updated on October 8, 2026 and ProReact on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*