# KONG Crypto vs Causality

The clearest difference is update cadence: Causality at fortnightly against KONG Crypto's every 4 months. KONG Crypto's advantage is iOS requirement (12.0 vs 16.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for KONG Crypto against 5.0 for Causality. Both are backed by a comparable volume of ratings — 12 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

KONG Crypto ships an update every 4 months, Causality fortnightly. Both last shipped on October 12, 2026.

## The numbers

| Metric | KONG Crypto | Causality |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (12 ratings)](https://appshunter.io/ios/app/kong-crypto/id1479791375/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/causality-physdigital-nexus/id1659176432/reviews)** |
| Number of ratings | **12** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 38 MB | 13 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Airtime Network, Inc.](https://appshunter.io/developer/1466129410) | [Clever Guerrilla Inc.](https://appshunter.io/developer/1745793786) |

## What reviewers say

### KONG Crypto

[App page](https://appshunter.io/ios/app/kong-crypto/id1479791375)

Verify crypto assets by scanning KONG and SiLo devices using NFC. This utility app connects your NFC-enabled iPhone to your crypto hardware for on-chain validation.

**Highlights:** NFC scanning for crypto devices, Verifies KONG and SiLo assets, On-chain validation, Requires NFC-enabled iPhone, Simple tap-to-scan functionality

**In-app purchases:** none


### 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


## Frequently asked questions

### Is KONG Crypto free?

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

### Is Causality free?

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

### Which has better reviews, KONG Crypto or Causality?

Causality is rated higher. KONG Crypto averages 4.9 out of 5 from 12 ratings, while Causality averages 5.0 from 6 ratings.

### Do KONG Crypto or Causality have ads?

Neither KONG Crypto nor Causality shows ads.

### Which is updated more often, KONG Crypto or Causality?

KONG Crypto ships an update every 4 months, and Causality fortnightly. Most recently, KONG Crypto was updated on October 12, 2026 and Causality on October 12, 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.*