# ワーキングメモリトレーニング vs WAIS

The clearest difference is ads: WAIS at none against ワーキングメモリトレーニング's shown. WAIS also leads on update cadence (every 8 days vs every 6 weeks) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support 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 WAIS sells 1 in-app purchase, starting at $2.99 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, WAIS every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ワーキングメモリトレーニング | WAIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 55 MB | 10 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Kogawa](https://appshunter.io/developer/1886613808) | [Burning Tribe](https://appshunter.io/developer/1888072646) |

## 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 |


### WAIS

[App page](https://appshunter.io/ios/app/wais-4/id6763717128)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WAIS4 プレミアム | $2.99 | per month |


## 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 WAIS free?

WAIS 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 WAIS have ads?

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

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

ワーキングメモリトレーニング ships an update every 6 weeks, and WAIS every 8 days. Most recently, ワーキングメモリトレーニング was updated on October 24, 2026 and WAIS 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.*