# ReactionTimeChecker vs Hot Button

The clearest difference is rating: Hot Button at 2.5 against ReactionTimeChecker's 1.0. Hot Button also leads on review sentiment (75% vs 33%) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Hot Button holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 33% of ReactionTimeChecker's written reviews are positive against 75% of Hot Button's.

ReactionTimeChecker ships an update every 7 months, Hot Button every 9 months. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | Hot Button |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/reactiontimechecker/id537191082/reviews) | **[2.5 (4 ratings)](https://appshunter.io/ios/app/hot-button-reaction-test/id880983757/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 33.3% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 22 MB | 109 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) | [Peter Weiss](https://appshunter.io/developer/507804538) |

## 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


### Hot Button

[App page](https://appshunter.io/ios/app/hot-button-reaction-test/id880983757)

Challenge friends to a fast-paced reaction game with multiple modes. Improve your reflexes in training or compete in party settings. Winners can be rewarded and losers can face fun consequences.

**Highlights:** Multiplayer reaction testing, 4 different game modes, Training mode for skill improvement, Party game functionality, Winner rewards and loser punishments

**In-app purchases:** none


## Frequently asked questions

### Is ReactionTimeChecker free?

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

### Is Hot Button free?

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

### Which has better reviews, ReactionTimeChecker or Hot Button?

Hot Button is rated higher. ReactionTimeChecker averages 1.0 out of 5 from 1 ratings, while Hot Button averages 2.5 from 4 ratings.

### Do ReactionTimeChecker or Hot Button have ads?

Both ReactionTimeChecker and Hot Button show ads.

### Which is updated more often, ReactionTimeChecker or Hot Button?

ReactionTimeChecker ships an update every 7 months, and Hot Button every 9 months. Most recently, ReactionTimeChecker was updated on October 3, 2026 and Hot Button on October 13, 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.*