# この絵なーんだ？絵なぞなぞ・イラストクイズ vs ウミガメAI

The clearest difference is in-app purchases: ウミガメAI at none against この絵なーんだ？絵なぞなぞ・イラストクイズ's 5. ウミガメAI also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.6). この絵なーんだ？絵なぞなぞ・イラストクイズ's advantage is update cadence (weekly vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. この絵なーんだ？絵なぞなぞ・イラストクイズ sells 5 in-app purchases, starting at $6.99 per month. ウミガメAI asks for nothing beyond the download.

この絵なーんだ？絵なぞなぞ・イラストクイズ ships an update weekly, ウミガメAI every 5 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | この絵なーんだ？絵なぞなぞ・イラストクイズ | ウミガメAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 63 MB | 53 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [Yoshinori Saito](https://appshunter.io/developer/1800769798) | [Pictors Inc.](https://appshunter.io/developer/1733591285) |

## What reviewers say

### この絵なーんだ？絵なぞなぞ・イラストクイズ

[App page](https://appshunter.io/ios/app/id6754784224)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Coins Pack (20) | $0.99 | one-time |
| Coins Pack (70) | $2.99 | one-time |
| Coins Pack (200) | $6.99 | one-time |
| Coins Pack (500) | $14.99 | one-time |


### ウミガメAI

[App page](https://appshunter.io/ios/app/ai/id6758776553)

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

**In-app purchases:** none


## Frequently asked questions

### Is この絵なーんだ？絵なぞなぞ・イラストクイズ free?

この絵なーんだ？絵なぞなぞ・イラストクイズ is free to download, with in-app purchases available.

### Is ウミガメAI free?

ウミガメAI is free to download, with no in-app purchases.

### Do この絵なーんだ？絵なぞなぞ・イラストクイズ or ウミガメAI have ads?

この絵なーんだ？絵なぞなぞ・イラストクイズ shows ads; ウミガメAI does not.

### Which is updated more often, この絵なーんだ？絵なぞなぞ・イラストクイズ or ウミガメAI?

この絵なーんだ？絵なぞなぞ・イラストクイズ ships an update weekly, and ウミガメAI every 5 weeks. Most recently, この絵なーんだ？絵なぞなぞ・イラストクイズ was updated on October 13, 2026 and ウミガメAI on October 15, 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.*