# ReactionTimeChecker vs MMS

The clearest difference is ads: MMS at none against ReactionTimeChecker's shown. MMS also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, 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, MMS every 3 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | MMS |
| --- | --- | --- |
| 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 3 months** |
| Monetization | Ad-supported | — |
| Size | 22 MB | 83 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [Damian Martinez](https://appshunter.io/developer/1721594666) |

## 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


### MMS

[App page](https://appshunter.io/ios/app/mms-evade/id6474457327)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReactionTimeChecker free?

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

### Is MMS free?

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

### Do ReactionTimeChecker or MMS have ads?

ReactionTimeChecker shows ads; MMS does not.

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

ReactionTimeChecker ships an update every 7 months, and MMS every 3 months. Most recently, ReactionTimeChecker was updated on October 3, 2026 and MMS on September 30, 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.*