# TapReaction vs Rapid Eye Test

The clearest difference is in-app purchases: TapReaction at none against Rapid Eye Test's 1. TapReaction also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.0). Rapid Eye Test's advantage is update cadence (every 3 months vs every 26 months). On price and device support there is nothing between them.

Both are free to download. Rapid Eye Test sells 1 one-off in-app purchase. TapReaction asks for nothing beyond the download.

TapReaction ships an update every 26 months, Rapid Eye Test every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TapReaction | Rapid Eye Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tapreaction/id337462568/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 5 MB | 142 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lars Bergelt](https://appshunter.io/developer/294176951) | [NURI YANG](https://appshunter.io/developer/1667210977) |

## What reviewers say

### TapReaction

[App page](https://appshunter.io/ios/app/tapreaction/id337462568)

Train and test your reflexes by tapping colors or numbers as quickly as possible. Choose board size and game duration to challenge your reaction speed in various modes.

**Highlights:** Reaction time testing, Color and Number modes, Customizable board size, Adjustable game time, High score lists, GameCenter support

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

**In-app purchases:** none


### Rapid Eye Test

[App page](https://appshunter.io/ios/app/rapid-eye-test-hyper-peepers/id6446809775)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is TapReaction free?

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

### Is Rapid Eye Test free?

Rapid Eye Test is free to download, with in-app purchases available.

### Do TapReaction or Rapid Eye Test have ads?

Rapid Eye Test shows ads; TapReaction does not.

### Which is updated more often, TapReaction or Rapid Eye Test?

TapReaction ships an update every 26 months, and Rapid Eye Test every 3 months. Most recently, TapReaction was updated on October 27, 2026 and Rapid Eye Test on October 25, 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.*