# Causality vs NFC Cat

The clearest difference is iOS requirement: Causality at 16.0 against NFC Cat's 18.0. On price, ads, 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.

## The numbers

| Metric | Causality | NFC Cat |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 13 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Clever Guerrilla Inc.](https://appshunter.io/developer/1745793786) | [Liam Story](https://appshunter.io/developer/1810777774) |

## 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


### NFC Cat

[App page](https://appshunter.io/ios/app/nfc-cat/id6745105854)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Causality free?

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

### Is NFC Cat free?

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

### Do Causality or NFC Cat have ads?

Neither Causality nor NFC Cat shows 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.*