# 世界の国旗クイズ vs しぼってしぼって！ミルクフィーバー！

The clearest difference is in-app purchases: しぼってしぼって！ミルクフィーバー！ at none against 世界の国旗クイズ's 1. しぼってしぼって！ミルクフィーバー！ also leads on iOS requirement (13.0 vs 16.0). 世界の国旗クイズ's advantage is update cadence (every 7 months vs every 22 months). On price, ads and device support there is nothing between them.

Both are free to download. 世界の国旗クイズ sells 1 in-app purchase, starting at $1.99 per month. しぼってしぼって！ミルクフィーバー！ asks for nothing beyond the download.

世界の国旗クイズ ships an update every 7 months, しぼってしぼって！ミルクフィーバー！ every 22 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 世界の国旗クイズ | しぼってしぼって！ミルクフィーバー！ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/id440650493/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 7 months** | Every 22 months |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 84 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [StudySwitch, Inc.](https://appshunter.io/developer/1368900403) | [Garhi Japan K.K.](https://appshunter.io/developer/1444709284) |

## What reviewers say

### 世界の国旗クイズ

[App page](https://appshunter.io/ios/app/id440650493)

Test your knowledge of national flags with this quiz app. It features quizzes from beginner to regional levels, and displays the country's location on a world map and its capital city after each answer. Enjoy it as a general knowledge, educational, or brain training game.

**Highlights:** Quizzes for 194 countries and regions, Step-up difficulty levels, World map and capital city display, General knowledge and brain training, Ad-free option available

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 学習集中プラン | $1.99 | per month |


### しぼってしぼって！ミルクフィーバー！

[App page](https://appshunter.io/ios/app/id6444036520)

**In-app purchases:** none


## Frequently asked questions

### Is 世界の国旗クイズ free?

世界の国旗クイズ is free to download, with in-app purchases available.

### Is しぼってしぼって！ミルクフィーバー！ free?

しぼってしぼって！ミルクフィーバー！ is free to download, with no in-app purchases.

### Do 世界の国旗クイズ or しぼってしぼって！ミルクフィーバー！ have ads?

Both 世界の国旗クイズ and しぼってしぼって！ミルクフィーバー！ show ads.

### Which is updated more often, 世界の国旗クイズ or しぼってしぼって！ミルクフィーバー！?

世界の国旗クイズ ships an update every 7 months, and しぼってしぼって！ミルクフィーバー！ every 22 months. Most recently, 世界の国旗クイズ was updated on November 10, 2026 and しぼってしぼって！ミルクフィーバー！ on November 3, 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.*