# ShapeMemo vs WAIS

The clearest difference is in-app purchases: ShapeMemo at none against WAIS's 1. WAIS's advantage is ads (none vs shown) and update cadence (every 8 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. WAIS sells 1 in-app purchase, starting at $2.99 per month. ShapeMemo asks for nothing beyond the download.

ShapeMemo ships an update every 8 months, WAIS every 8 days. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ShapeMemo | WAIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 8 days** |
| Size | 5 MB | 10 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taiki Sato](https://appshunter.io/developer/1807425583) | [Burning Tribe](https://appshunter.io/developer/1888072646) |

## What reviewers say

### ShapeMemo

[App page](https://appshunter.io/ios/app/shapememo-brain-training-game/id6744379976)

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

**In-app purchases:** none


### 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 ShapeMemo free?

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

### Is WAIS free?

WAIS is free to download, with in-app purchases available.

### Do ShapeMemo or WAIS have ads?

ShapeMemo shows ads; WAIS does not.

### Which is updated more often, ShapeMemo or WAIS?

ShapeMemo ships an update every 8 months, and WAIS every 8 days. Most recently, ShapeMemo was updated on October 13, 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.*