# Reaction Time Test vs MiniMo

The clearest difference is in-app purchases: Reaction Time Test at none against MiniMo's 3. MiniMo's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. MiniMo sells 3 one-off in-app purchases. Reaction Time Test asks for nothing beyond the download.

Reaction Time Test ships an update every 3 months, MiniMo every 2 months. The most recent releases landed on September 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Reaction Time Test | MiniMo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 114 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) | [Serious Games Interactive](https://appshunter.io/developer/404744148) |

## What reviewers say

### Reaction Time Test

[App page](https://appshunter.io/ios/app/reaction-time-test-rtt/id1669730948)

Test and train your reflexes with this app. Simply tap the screen when a red square appears to measure your reaction speed and improve your concentration. Daily practice can enhance your reflexes, making it ideal for gamers.

**Highlights:** Reaction speed testing, Reflex training, Concentration improvement, Rank display, Daily practice recommended

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

**In-app purchases:** none


### MiniMo

[App page](https://appshunter.io/ios/app/minimo-math/id6744113807)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pakke Et | $0.99 | one-time |
| Pakke To | $0.99 | one-time |
| Pakke 3 | $0.99 | one-time |


## Frequently asked questions

### Is Reaction Time Test free?

Reaction Time Test is free to download, with no in-app purchases.

### Is MiniMo free?

MiniMo is free to download, with in-app purchases available.

### Do Reaction Time Test or MiniMo have ads?

Reaction Time Test shows ads; MiniMo does not.

### Which is updated more often, Reaction Time Test or MiniMo?

Reaction Time Test ships an update every 3 months, and MiniMo every 2 months. Most recently, Reaction Time Test was updated on September 23, 2026 and MiniMo on October 17, 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.*