# ワーキングメモリトレーニング vs Mental Math for Work

The clearest difference is ads: Mental Math for Work at none against ワーキングメモリトレーニング's shown. Mental Math for Work also leads on update cadence (every 9 days vs every 6 weeks). On price, in-app purchases, 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 and Mental Math for Work sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ワーキングメモリトレーニング ships an update every 6 weeks, Mental Math for Work every 9 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ワーキングメモリトレーニング | Mental Math for Work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 55 MB | 15 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kogawa](https://appshunter.io/developer/1886613808) | [Shota Morioka](https://appshunter.io/developer/483674380) |

## 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 |


### Mental Math for Work

[App page](https://appshunter.io/ios/app/mental-math-for-work/id6766879948)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Lifetime | $9.99 | one-time |


## 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 Mental Math for Work free?

Mental Math for Work is free to download, with in-app purchases available.

### Do ワーキングメモリトレーニング or Mental Math for Work have ads?

ワーキングメモリトレーニング shows ads; Mental Math for Work does not.

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

ワーキングメモリトレーニング ships an update every 6 weeks, and Mental Math for Work every 9 days. Most recently, ワーキングメモリトレーニング was updated on October 7, 2026 and Mental Math for Work on October 14, 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.*