# Flutterラボ vs AI Engineer Quiz

The clearest difference is ads: AI Engineer Quiz at none against Flutterラボ's shown. Flutterラボ's advantage is update cadence (weekly vs fortnightly) and iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Flutterラボ sells 4 in-app purchases, starting at $16.49 per month and AI Engineer Quiz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flutterラボ ships an update weekly, AI Engineer Quiz fortnightly. Both last shipped on September 8, 2026.

## The numbers

| Metric | Flutterラボ | AI Engineer Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Size | 73 MB | 18 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Inoue](https://appshunter.io/developer/1450131343) | [Kohei Omori](https://appshunter.io/developer/1886931034) |

## What reviewers say

### Flutterラボ

[App page](https://appshunter.io/ios/app/flutter/id1572165292)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ラボプレミアムテスト(1か月) | $16.49 | per month |
| ラボプレミアム(1か月) | $16.49 | per month |
| ラボプレミアムテスト(1年間) | $169.99 | per year |
| ラボプレミアム(1年) | $169.99 | per year |


### AI Engineer Quiz

[App page](https://appshunter.io/ios/app/ai-engineer-quiz/id6770689652)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $5.99 | one-time |


## Frequently asked questions

### Is Flutterラボ free?

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

### Is AI Engineer Quiz free?

AI Engineer Quiz is free to download, with in-app purchases available.

### Do Flutterラボ or AI Engineer Quiz have ads?

Flutterラボ shows ads; AI Engineer Quiz does not.

### Which is updated more often, Flutterラボ or AI Engineer Quiz?

Flutterラボ ships an update weekly, and AI Engineer Quiz fortnightly. Most recently, Flutterラボ was updated on September 8, 2026 and AI Engineer Quiz on September 8, 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.*