# Causality Puzzle vs Armposter

The clearest difference is ads: Armposter at none against Causality Puzzle's shown. Causality Puzzle's advantage is iOS requirement (14.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Causality Puzzle ships an update every 6 weeks, Armposter every 3 months. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Causality Puzzle | Armposter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 90 MB | 64 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gurgen Arustamyan](https://appshunter.io/developer/1884835827) | [Orbioom](https://appshunter.io/developer/1887333946) |

## 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


### Armposter

[App page](https://appshunter.io/ios/app/armposter/id6761028106)

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

**In-app purchases:** none


## Frequently asked questions

### Is Causality Puzzle free?

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

### Is Armposter free?

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

### Do Causality Puzzle or Armposter have ads?

Causality Puzzle shows ads; Armposter does not.

### Which is updated more often, Causality Puzzle or Armposter?

Causality Puzzle ships an update every 6 weeks, and Armposter every 3 months. Most recently, Causality Puzzle was updated on September 17, 2026 and Armposter on September 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.*