# だれのあし~脳トレIQ謎解き足クイズアプリ~ vs Okazukan

The clearest difference is update cadence: Okazukan at every 3 weeks against だれのあし~脳トレIQ謎解き足クイズアプリ~'s every 4 months. Okazukan also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

だれのあし~脳トレIQ謎解き足クイズアプリ~ ships an update every 4 months, Okazukan every 3 weeks. The most recent releases landed on October 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | だれのあし~脳トレIQ謎解き足クイズアプリ~ | Okazukan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 13 MB | 55 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harumi Sagawa](https://appshunter.io/developer/1454250246) | [COSMO JAPAN, K.K.](https://appshunter.io/developer/1524941029) |

## What reviewers say

### だれのあし~脳トレIQ謎解き足クイズアプリ~

[App page](https://appshunter.io/ios/app/iq/id1465352189)

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

**In-app purchases:** none


### Okazukan

[App page](https://appshunter.io/ios/app/okazukan/id1525747193)

**In-app purchases:** none


## Frequently asked questions

### Is だれのあし~脳トレIQ謎解き足クイズアプリ~ free?

だれのあし~脳トレIQ謎解き足クイズアプリ~ is free to download, with no in-app purchases.

### Is Okazukan free?

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

### Do だれのあし~脳トレIQ謎解き足クイズアプリ~ or Okazukan have ads?

Both だれのあし~脳トレIQ謎解き足クイズアプリ~ and Okazukan show ads.

### Which is updated more often, だれのあし~脳トレIQ謎解き足クイズアプリ~ or Okazukan?

だれのあし~脳トレIQ謎解き足クイズアプリ~ ships an update every 4 months, and Okazukan every 3 weeks. Most recently, だれのあし~脳トレIQ謎解き足クイズアプリ~ was updated on October 29, 2026 and Okazukan on October 5, 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.*