# ワーキングメモリトレーニング vs 暗算ラン

The clearest difference is in-app purchases: 暗算ラン at none against ワーキングメモリトレーニング's 2. 暗算ラン also leads on ads (none vs shown). On price, 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. 暗算ラン asks for nothing beyond the download.

## The numbers

| Metric | ワーキングメモリトレーニング | 暗算ラン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Size | 55 MB | 8 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kogawa](https://appshunter.io/developer/1886613808) | [Izamu Mari](https://appshunter.io/developer/6771616594) |

## 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 |


### 暗算ラン

[App page](https://appshunter.io/ios/app/id6771616592)

**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 暗算ラン free?

暗算ラン 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 暗算ラン have ads?

ワーキングメモリトレーニング shows ads; 暗算ラン does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*