# Memosy vs Sugoku

The clearest difference is in-app purchases: Memosy at none against Sugoku's 3. Memosy also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sugoku sells 3 in-app purchases, starting at $2.99 per month. Memosy asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Memosy | Sugoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Size | 504 MB | 697 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ian Fukayama](https://appshunter.io/developer/1588393329) | [ryo otsuka](https://appshunter.io/developer/6788628020) |

## What reviewers say

### Memosy

[App page](https://appshunter.io/ios/app/memosy/id6740039717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sugoku

[App page](https://appshunter.io/ios/app/sugoku-math-practice-drills/id6788627418)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $22.99 | per year |
| プレミアムプラン | $1.99 | one-time |


## Frequently asked questions

### Is Memosy free?

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

### Is Sugoku free?

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

### Do Memosy or Sugoku have ads?

Both Memosy and Sugoku show ads.

### Which is updated more often, Memosy or Sugoku?

Memosy ships an update every 3 days, and Sugoku every 3 days. Most recently, Memosy was updated on October 28, 2026 and Sugoku on October 28, 2026.

---

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