# Causality vs Ausounds

The clearest difference is iOS requirement: Ausounds at 12.0 against Causality's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Causality ships an update fortnightly, Ausounds every 10 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Causality | Ausounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/causality-physdigital-nexus/id1659176432/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free | — |
| Size | 13 MB | 24 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clever Guerrilla Inc.](https://appshunter.io/developer/1745793786) | [Shenzhen Ausounds Intelligent Co., Ltd.](https://appshunter.io/developer/1751689007) |

## What reviewers say

### Causality

[App page](https://appshunter.io/ios/app/causality-physdigital-nexus/id1659176432)

Discover and interact with physical products and locations linked to digital experiences. Use NFC tags to unlock engaging activations that bridge the physical and digital worlds. No account or complex setup required, just tap and explore.

**Highlights:** Discover NFC-tagged products, Access IRL waypoints, Engage in digital activations, Connect physical and digital, No account creation needed

**Features:** macOS Compatibility

**In-app purchases:** none


### Ausounds

[App page](https://appshunter.io/ios/app/ausounds/id6504282383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Causality free?

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

### Is Ausounds free?

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

### Do Causality or Ausounds have ads?

Neither Causality nor Ausounds shows ads.

### Which is updated more often, Causality or Ausounds?

Causality ships an update fortnightly, and Ausounds every 10 days. Most recently, Causality was updated on October 12, 2026 and Ausounds on October 10, 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.*