# Countries Quiz vs Clean Flag

The clearest difference is ads: Clean Flag at none against Countries Quiz's shown. Clean Flag also leads on update cadence (daily vs every 6 weeks). Countries Quiz's advantage is iOS requirement (15.1 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Countries Quiz sells 5 one-off in-app purchases and Clean Flag sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Countries Quiz ships an update every 6 weeks, Clean Flag daily. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Countries Quiz | Clean Flag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Size | 34 MB | 105 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Zest Of Tech](https://appshunter.io/developer/1844842120) | [Jens Stoeber](https://appshunter.io/developer/6775767539) |

## What reviewers say

### Countries Quiz

[App page](https://appshunter.io/ios/app/countries-quiz/id6753754240)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donuts Pack 1500 | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 4,500 Donuts | $2.99 | one-time |
| 9,000 Donuts | $3.99 | one-time |
| 18,000 Donuts | $6.99 | one-time |


### Clean Flag

[App page](https://appshunter.io/ios/app/clean-flag/id6775767537)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stern 300 | $0.99 | one-time |
| Stern 1000 | $2.00 | one-time |
| Clean Flag Pro | $3.99 | one-time |


## Frequently asked questions

### Is Countries Quiz free?

Countries Quiz is free to download, with in-app purchases available.

### Is Clean Flag free?

Clean Flag is free to download, with in-app purchases available.

### Do Countries Quiz or Clean Flag have ads?

Countries Quiz shows ads; Clean Flag does not.

### Which is updated more often, Countries Quiz or Clean Flag?

Countries Quiz ships an update every 6 weeks, and Clean Flag daily. Most recently, Countries Quiz was updated on October 14, 2026 and Clean Flag on October 24, 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.*