# HCC2D Decoder vs Logn

The clearest difference is in-app purchases: HCC2D Decoder at none against Logn's 1. HCC2D Decoder also leads on ads (none vs shown). Logn's advantage is update cadence (weekly vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Logn sells 1 one-off in-app purchase. HCC2D Decoder asks for nothing beyond the download.

HCC2D Decoder ships an update every 2 weeks, Logn weekly. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | HCC2D Decoder | Logn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/hcc2d-decoder/id6762202762/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 8 MB | 6 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Marco Querini](https://appshunter.io/developer/1893348109) | [Nice Software AS](https://appshunter.io/developer/1809667950) |

## What reviewers say

### HCC2D Decoder

[App page](https://appshunter.io/ios/app/hcc2d-decoder/id6762202762)

Scan and decode advanced HCC2D color codes and standard QR codes using your device's camera. This app offers real-time scanning with robust error correction and is based on cutting-edge barcode research.

**Highlights:** Decode HCC2D color codes, Full QR code support, Real-time camera scanning, Robust detection and error correction, No ads or registration

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

**In-app purchases:** none


### Logn

[App page](https://appshunter.io/ios/app/logn-focus-sleep-and-noise/id6804822382)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is HCC2D Decoder free?

HCC2D Decoder is free to download, with no in-app purchases.

### Is Logn free?

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

### Do HCC2D Decoder or Logn have ads?

Logn shows ads; HCC2D Decoder does not.

### Which is updated more often, HCC2D Decoder or Logn?

HCC2D Decoder ships an update every 2 weeks, and Logn weekly. Most recently, HCC2D Decoder was updated on October 31, 2026 and Logn on October 29, 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.*