# ワーキングメモリトレーニング vs N

The clearest difference is in-app purchases: N at none against ワーキングメモリトレーニング's 2. N also leads on update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ワーキングメモリトレーニング sells 2 one-off in-app purchases. N asks for nothing beyond the download.

ワーキングメモリトレーニング ships an update every 6 weeks, N daily. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ワーキングメモリトレーニング | N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 55 MB | 5 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kogawa](https://appshunter.io/developer/1886613808) | [Toru Fukui](https://appshunter.io/developer/1888097145) |

## What reviewers say

### ワーキングメモリトレーニング

[App page](https://appshunter.io/ios/app/n-back/id6761617765)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| プレミアム機能 | $1.99 | one-time |


### N

[App page](https://appshunter.io/ios/app/n-back-brain-trainer/id6761675343)

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

**In-app purchases:** none


## Frequently asked questions

### Is ワーキングメモリトレーニング free?

ワーキングメモリトレーニング is free to download, with in-app purchases available.

### Is N free?

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

### Do ワーキングメモリトレーニング or N have ads?

Both ワーキングメモリトレーニング and N show ads.

### Which is updated more often, ワーキングメモリトレーニング or N?

ワーキングメモリトレーニング ships an update every 6 weeks, and N daily. Most recently, ワーキングメモリトレーニング was updated on September 21, 2026 and N 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.*