# ReactionTimeChecker vs Reflex

The clearest difference is ads: Reflex at none against ReactionTimeChecker's shown. Reflex also leads on iOS requirement (11.0 vs 15.6). ReactionTimeChecker's advantage is update cadence (every 7 months vs every 27 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.

ReactionTimeChecker ships an update every 7 months, Reflex every 27 months. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | Reflex |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | **Every 7 months** | Every 27 months |
| Monetization | Ad-supported | — |
| Size | 22 MB | 27 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [RulTech Solutions Private Limited](https://appshunter.io/developer/625283934) |

## 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


### Reflex

[App page](https://appshunter.io/ios/app/reflex-game/id1464656832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReactionTimeChecker free?

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

### Is Reflex free?

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

### Do ReactionTimeChecker or Reflex have ads?

ReactionTimeChecker shows ads; Reflex does not.

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

ReactionTimeChecker ships an update every 7 months, and Reflex every 27 months. Most recently, ReactionTimeChecker was updated on October 3, 2026 and Reflex on September 24, 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.*