# ProReact vs Reaction Time Test

The clearest difference is review sentiment: Reaction Time Test at 50% against ProReact's 0%. ProReact's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProReact ships an update every 3 days, Reaction Time Test every 3 months. The most recent releases landed on October 6, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ProReact | Reaction Time Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/proreact-reaction-time-test/id1522046954/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 13 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kropf IT e.U.](https://appshunter.io/developer/1482647335) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### 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


### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-rtt/id1669730948)

Test and train your reflexes with this app. Simply tap the screen when a red square appears to measure your reaction speed and improve your concentration. Daily practice can enhance your reflexes, making it ideal for gamers.

**Highlights:** Reaction speed testing, Reflex training, Concentration improvement, Rank display, Daily practice recommended

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ProReact free?

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

### Is Reaction Time Test free?

Reaction Time Test is free to download, with no in-app purchases.

### Do ProReact or Reaction Time Test have ads?

Reaction Time Test shows ads; ProReact does not.

### Which is updated more often, ProReact or Reaction Time Test?

ProReact ships an update every 3 days, and Reaction Time Test every 3 months. Most recently, ProReact was updated on October 6, 2026 and Reaction Time Test on September 23, 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.*