# Flutterラボ vs 雑学クイズ王

The clearest difference is update cadence: Flutterラボ at weekly against 雑学クイズ王's every 4 months. Flutterラボ also leads on iOS requirement (12.0 vs 16.0). On price, ads, 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 雑学クイズ王 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, 雑学クイズ王 every 4 months. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Flutterラボ | 雑学クイズ王 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Size | 73 MB | 29 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Inoue](https://appshunter.io/developer/1450131343) | [Techsence inc.](https://appshunter.io/developer/1692020336) |

## 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 |


### 雑学クイズ王

[App page](https://appshunter.io/ios/app/id6755246533)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Removal | $2.99 | one-time |


## Frequently asked questions

### Is Flutterラボ free?

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

### Is 雑学クイズ王 free?

雑学クイズ王 is free to download, with in-app purchases available.

### Do Flutterラボ or 雑学クイズ王 have ads?

Both Flutterラボ and 雑学クイズ王 show ads.

### Which is updated more often, Flutterラボ or 雑学クイズ王?

Flutterラボ ships an update weekly, and 雑学クイズ王 every 4 months. Most recently, Flutterラボ was updated on October 10, 2026 and 雑学クイズ王 on October 9, 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.*