# World vs Flag Learning Quiz

The clearest difference is in-app purchases: Flag Learning Quiz at none against World's 2. Flag Learning Quiz also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. World sells 2 in-app purchases, starting at $1.99 per month. Flag Learning Quiz asks for nothing beyond the download.

## The numbers

| Metric | World | Flag Learning Quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 147 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Takeshi Matsuda](https://appshunter.io/developer/1808444888) |

## What reviewers say

### World

[App page](https://appshunter.io/ios/app/world-flags/id6758343689)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flags_by_oliva_subscription | $1.99 | per month |
| flags_by_oliva_donation | $1.99 | one-time |


### Flag Learning Quiz

[App page](https://appshunter.io/ios/app/flag-learning-quiz/id6762048118)

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

**In-app purchases:** none


## Frequently asked questions

### Is World free?

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

### Is Flag Learning Quiz free?

Flag Learning Quiz is free to download, with no in-app purchases.

### Do World or Flag Learning Quiz have ads?

World shows ads; Flag Learning Quiz does not.

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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.*