# MemoryNumber vs 3 Minute Brain Training

The clearest difference is in-app purchases: 3 Minute Brain Training at none against MemoryNumber's 1. MemoryNumber's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MemoryNumber sells 1 one-off in-app purchase. 3 Minute Brain Training asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MemoryNumber | 3 Minute Brain Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/memorynumber-braintraining/id6444015375/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 13 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [MITSUKO MARGOT KUBOTA ONO](https://appshunter.io/developer/1799524637) |

## What reviewers say

### MemoryNumber

[App page](https://appshunter.io/ios/app/memorynumber-braintraining/id6444015375)

This app helps train your memory and cognitive skills through a number-based puzzle. Memorize numbers and their positions to solve challenges, with adjustable difficulty levels.

**Highlights:** Number memorization challenges, Position tracking, Adjustable difficulty levels, Cognitive skill training, Puzzle solving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $6.99 | one-time |


### 3 Minute Brain Training

[App page](https://appshunter.io/ios/app/3-minute-brain-training/id6778296642)

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

**In-app purchases:** none


## Frequently asked questions

### Is MemoryNumber free?

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

### Is 3 Minute Brain Training free?

3 Minute Brain Training is free to download, with no in-app purchases.

### Do MemoryNumber or 3 Minute Brain Training have ads?

Both MemoryNumber and 3 Minute Brain Training show ads.

### Which is updated more often, MemoryNumber or 3 Minute Brain Training?

MemoryNumber ships an update every 2 months, and 3 Minute Brain Training every 2 months. Most recently, MemoryNumber was updated on October 26, 2026 and 3 Minute Brain Training on October 25, 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.*