# Causality Puzzle vs Backgammon

The clearest difference is in-app purchases: Causality Puzzle at none against Backgammon's 10. Causality Puzzle also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Backgammon sells 10 one-off in-app purchases. Causality Puzzle asks for nothing beyond the download.

## The numbers

| Metric | Causality Puzzle | Backgammon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Size | 76 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gurgen Arustamyan](https://appshunter.io/developer/1884835827) | [Maksym Beskrovnyi](https://appshunter.io/developer/6813764276) |

## What reviewers say

### Causality Puzzle

[App page](https://appshunter.io/ios/app/causality-puzzle/id6760533588)

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

**In-app purchases:** none


### Backgammon

[App page](https://appshunter.io/ios/app/backgammon-fair-dice-and-nardy/id6816954327)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forest board | $0.99 | one-time |
| Winter board | $0.99 | one-time |
| Cosmos board | $0.99 | one-time |
| Neon board | $0.99 | one-time |
| Paper board | $0.99 | one-time |
| Ceramic board | $0.99 | one-time |
| Bamboo board | $0.99 | one-time |
| Steampunk board | $0.99 | one-time |
| Malachite board | $0.99 | one-time |
| Kids board | $0.99 | one-time |


## Frequently asked questions

### Is Causality Puzzle free?

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

### Is Backgammon free?

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

### Do Causality Puzzle or Backgammon have ads?

Both Causality Puzzle and Backgammon show ads.

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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.*