# Studyo Math Games vs 世界の国名クイズ

The clearest difference is ads: Studyo Math Games at none against 世界の国名クイズ's shown. 世界の国名クイズ's advantage is update cadence (every 10 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Studyo Math Games ships an update every 6 months, 世界の国名クイズ every 10 days. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Studyo Math Games | 世界の国名クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 68 MB | 4 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Studyo Systems LTD](https://appshunter.io/developer/1618197390) | [Masahiro Tanigawa](https://appshunter.io/developer/6792176111) |

## What reviewers say

### Studyo Math Games

[App page](https://appshunter.io/ios/app/studyo-math-games-play-plus-learn/id1618197388)

This app offers nine engaging games designed to enhance mathematical skills. Covering arithmetic, fractions, geometry, and algebra, it provides interactive ways to learn and practice concepts. Ideal for young learners, it makes math education fun and accessible.

**Highlights:** Mental arithmetic racing game, Practice vertical operations, Number line visualization, Fraction visualization and simplification, Geometry coordinate and area calculations, Equation solving practice, Basic coding and algorithmic art generation

**Features:** macOS Compatibility

**In-app purchases:** none


### 世界の国名クイズ

[App page](https://appshunter.io/ios/app/id6797205214)

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

**In-app purchases:** none


## Frequently asked questions

### Is Studyo Math Games free?

Studyo Math Games is free to download, with no in-app purchases.

### Is 世界の国名クイズ free?

世界の国名クイズ is free to download, with no in-app purchases.

### Do Studyo Math Games or 世界の国名クイズ have ads?

世界の国名クイズ shows ads; Studyo Math Games does not.

### Which is updated more often, Studyo Math Games or 世界の国名クイズ?

Studyo Math Games ships an update every 6 months, and 世界の国名クイズ every 10 days. Most recently, Studyo Math Games was updated on October 9, 2026 and 世界の国名クイズ on October 11, 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.*