# CountriesQuiz vs Rechenflow Mental Math

The clearest difference is update cadence: Rechenflow Mental Math at every 5 days against CountriesQuiz's every 2 weeks. Rechenflow Mental Math also leads on iOS requirement (15.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

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

CountriesQuiz ships an update every 2 weeks, Rechenflow Mental Math every 5 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CountriesQuiz | Rechenflow Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/countriesquiz/id6698896459/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 30 MB | 56 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Manankumar Patel](https://appshunter.io/developer/1768821126) | [Christian Hermann und Martina Hermann GbR](https://appshunter.io/developer/1882361365) |

## What reviewers say

### CountriesQuiz

[App page](https://appshunter.io/ios/app/countriesquiz/id6698896459)

Master world geography with interactive quizzes on countries, capitals, and flags. Features multiple game modes, customizable difficulty, and global leaderboards. Learn offline and track your progress.

**Highlights:** Country, capital, and flag quizzes, Multiple input modes (typing, multiple choice, map), Customizable time limits and difficulty, Global leaderboards and score comparison, Offline play capability, Progress tracking and statistics

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

**In-app purchases:** none


### Rechenflow Mental Math

[App page](https://appshunter.io/ios/app/rechenflow-mental-math/id6776089329)

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

**In-app purchases:** none


## Frequently asked questions

### Is CountriesQuiz free?

CountriesQuiz is free to download, with no in-app purchases.

### Is Rechenflow Mental Math free?

Rechenflow Mental Math is free to download, with no in-app purchases.

### Do CountriesQuiz or Rechenflow Mental Math have ads?

Neither CountriesQuiz nor Rechenflow Mental Math shows ads.

### Which is updated more often, CountriesQuiz or Rechenflow Mental Math?

CountriesQuiz ships an update every 2 weeks, and Rechenflow Mental Math every 5 days. Most recently, CountriesQuiz was updated on October 24, 2026 and Rechenflow Mental Math on October 31, 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.*