# 脳トレ 数字記憶 vs PASSCODES

The clearest difference is ads: 脳トレ 数字記憶 at none against PASSCODES's shown. 脳トレ 数字記憶 also leads on iOS requirement (10.0 vs 17.0). 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.

## The numbers

| Metric | 脳トレ 数字記憶 | PASSCODES |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Monetization | Free | — |
| Size | 20 MB | 16 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chutatsu Yamamoto](https://appshunter.io/developer/1405862583) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### 脳トレ 数字記憶

[App page](https://appshunter.io/ios/app/id1434997758)

Test your memory with this number recall game. Memorize displayed digits and input them correctly to advance through stages. It's a simple yet effective way to sharpen your cognitive skills.

**Highlights:** Number memorization training, Stage-based progression, Automatic input judgment, Cognitive skill enhancement, Simple gameplay

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

**In-app purchases:** none


### PASSCODES

[App page](https://appshunter.io/ios/app/passcodes/id6737499782)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 脳トレ 数字記憶 free?

脳トレ 数字記憶 is free to download, with no in-app purchases.

### Is PASSCODES free?

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

### Do 脳トレ 数字記憶 or PASSCODES have ads?

PASSCODES shows ads; 脳トレ 数字記憶 does not.

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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.*