# Math Bus vs Learn World Flags

The clearest difference is price: Learn World Flags at Free against Math Bus's $0.99. Math Bus's advantage is ads (none vs shown) and update cadence (every 4 months vs every 14 months). On in-app purchases and device support there is nothing between them.

Learn World Flags is free to download; Math Bus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Bus ships an update every 4 months, Learn World Flags every 14 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Math Bus | Learn World Flags |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/learn-world-flags-quiz/id6470424679/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | — | Ad-supported |
| Size | 18 MB | 9 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Henk Jurriens](https://appshunter.io/developer/524160208) | [Sathish Shanmugam](https://appshunter.io/developer/1475407729) |

## What reviewers say

### Math Bus

[App page](https://appshunter.io/ios/app/math-bus/id716831058)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn World Flags

[App page](https://appshunter.io/ios/app/learn-world-flags-quiz/id6470424679)

This app offers an interactive way to learn and memorize flags from over 190 countries. Features include a searchable flag list, voice pronunciation, and a quiz game to test your knowledge. It's designed for easy learning and offline use.

**Highlights:** Flags of 190+ countries, Search flags by country name, Voice pronunciation for each flag, Flag quiz game, View flags in large size, Offline mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Bus free?

Math Bus costs $0.99, with no in-app purchases.

### Is Learn World Flags free?

Learn World Flags is free to download, with no in-app purchases.

### Do Math Bus or Learn World Flags have ads?

Learn World Flags shows ads; Math Bus does not.

### Which is updated more often, Math Bus or Learn World Flags?

Math Bus ships an update every 4 months, and Learn World Flags every 14 months. Most recently, Math Bus was updated on September 27, 2026 and Learn World Flags on October 4, 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.*