# Cal & Bomba vs World Flags Challenges

The clearest difference is in-app purchases: World Flags Challenges at none against Cal & Bomba's 1. World Flags Challenges also leads on update cadence (every 2 days vs every 3 months). Cal & Bomba's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cal & Bomba sells 1 one-off in-app purchase. World Flags Challenges asks for nothing beyond the download.

Cal & Bomba ships an update every 3 months, World Flags Challenges every 2 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | Cal & Bomba | World Flags Challenges |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 326 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Filiokus as](https://appshunter.io/developer/1693596934) | [Vinicius Fortes](https://appshunter.io/developer/1726213069) |

## What reviewers say

### Cal & Bomba

[App page](https://appshunter.io/ios/app/cal-and-bomba/id6450509459)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $7.99 | one-time |


### World Flags Challenges

[App page](https://appshunter.io/ios/app/world-flags-challenges/id6503302130)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cal & Bomba free?

Cal & Bomba is free to download, with in-app purchases available.

### Is World Flags Challenges free?

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

### Do Cal & Bomba or World Flags Challenges have ads?

World Flags Challenges shows ads; Cal & Bomba does not.

### Which is updated more often, Cal & Bomba or World Flags Challenges?

Cal & Bomba ships an update every 3 months, and World Flags Challenges every 2 days. Most recently, Cal & Bomba was updated on October 27, 2026 and World Flags Challenges on October 27, 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.*