# クイズ王国 vs Game Theory Lab

クイズ王国 and Game Theory Lab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. クイズ王国 sells 1 one-off in-app purchase and Game Theory Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

クイズ王国 ships an update weekly, Game Theory Lab every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | クイズ王国 | Game Theory Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/game-theory-lab/id6811381221/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 148 MB | 12 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KYOICHI WATANABE](https://appshunter.io/developer/1806336222) | [Non Kudo](https://appshunter.io/developer/1890455917) |

## What reviewers say

### クイズ王国

[App page](https://appshunter.io/ios/app/id6752301663)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を外す（買い切り） | $1.99 | one-time |


### Game Theory Lab

[App page](https://appshunter.io/ios/app/game-theory-lab/id6811381221)

Explore strategic decision-making through interactive AI simulations. Learn the 'why' behind complex choices by playing through scenarios and analyzing outcomes with charts and numbers. Offers a variety of classic game theory scenarios to deepen understanding.

**Highlights:** Play against AI in strategic scenarios, Analyze outcomes with charts and numbers, Learn economics and psychology principles, Interactive simulations of classic games, Unlockable premium themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock Pack | $0.99 | one-time |


## Frequently asked questions

### Is クイズ王国 free?

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

### Is Game Theory Lab free?

Game Theory Lab is free to download, with in-app purchases available.

### Do クイズ王国 or Game Theory Lab have ads?

Both クイズ王国 and Game Theory Lab show ads.

### Which is updated more often, クイズ王国 or Game Theory Lab?

クイズ王国 ships an update weekly, and Game Theory Lab every 2 weeks. Most recently, クイズ王国 was updated on October 30, 2026 and Game Theory Lab on October 31, 2026.

---

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