# ReactionTimeChecker vs RotoTap

The clearest difference is update cadence: ReactionTimeChecker at every 7 months against RotoTap's every 45 months. RotoTap's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ReactionTimeChecker ships an update every 7 months, RotoTap every 45 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | RotoTap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/reactiontimechecker/id537191082/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 7 months** | Every 45 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 22 MB | 23 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [Ingemar Bergmark](https://appshunter.io/developer/368936151) |

## What reviewers say

### ReactionTimeChecker

[App page](https://appshunter.io/ios/app/reactiontimechecker/id537191082)

Test your reflexes by tapping a color-changing button as quickly as possible. Compete with others through online leaderboards and receive an evaluation of your performance.

**Highlights:** Reaction time testing, Color-changing button gameplay, Score and evaluation display, Online ranking system, Automatic result upload

**Features:** macOS Compatibility

**In-app purchases:** none


### RotoTap

[App page](https://appshunter.io/ios/app/rototap/id961947758)

This game challenges your perception by requiring you to tap the color of the word, not the word itself. Score points and bonuses for quick, correct taps, but be mindful of time penalties for errors. It's a simple concept that quickly becomes surprisingly difficult.

**Highlights:** Tap the color of the word, Avoid being fooled by the word itself, Score points and bonuses, Earn bonus time for correct taps, Time penalties for incorrect taps

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

**In-app purchases:** none


## Frequently asked questions

### Is ReactionTimeChecker free?

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

### Is RotoTap free?

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

### Do ReactionTimeChecker or RotoTap have ads?

Both ReactionTimeChecker and RotoTap show ads.

### Which is updated more often, ReactionTimeChecker or RotoTap?

ReactionTimeChecker ships an update every 7 months, and RotoTap every 45 months. Most recently, ReactionTimeChecker was updated on October 23, 2026 and RotoTap on October 24, 2026.

---

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