# World Countries Map Quiz vs ClassLens

The clearest difference is update cadence: ClassLens at every 3 weeks against World Countries Map Quiz's every 83 months. 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.

World Countries Map Quiz ships an update every 83 months, ClassLens every 3 weeks. The most recent releases landed on October 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | World Countries Map Quiz | ClassLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (97 ratings)](https://appshunter.io/ios/app/world-countries-map-quiz/id1242180142/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 84.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 83 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 3 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kazuto Takada](https://appshunter.io/developer/680274647) | [Atsuhiro Hasebe](https://appshunter.io/developer/1766410126) |

## What reviewers say

### World Countries Map Quiz

[App page](https://appshunter.io/ios/app/world-countries-map-quiz/id1242180142)

Test your knowledge of world geography with an interactive map quiz. Learn country names and locations by region, with a drag-and-drop interface. Track your progress with records of your previous attempts.

**Highlights:** Drag-and-drop map quiz, Learn countries by region, Memorize country names, Track previous records, World geography education

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

**In-app purchases:** none


### ClassLens

[App page](https://appshunter.io/ios/app/classlens/id6670457269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is World Countries Map Quiz free?

World Countries Map Quiz is free to download, with no in-app purchases.

### Is ClassLens free?

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

### Do World Countries Map Quiz or ClassLens have ads?

Both World Countries Map Quiz and ClassLens show ads.

### Which is updated more often, World Countries Map Quiz or ClassLens?

World Countries Map Quiz ships an update every 83 months, and ClassLens every 3 weeks. Most recently, World Countries Map Quiz was updated on October 29, 2026 and ClassLens on October 5, 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.*