# QR Code Reader · vs Cromogenia Units

The clearest difference is in-app purchases: Cromogenia Units at none against QR Code Reader ·'s 14. Cromogenia Units also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). QR Code Reader ·'s advantage is chart position (#98 vs unranked). On price and device support there is nothing between them.

Both are free to download. QR Code Reader · sells 10 in-app purchases, starting at $2.99 per 7 days. Cromogenia Units asks for nothing beyond the download.

QR Code Reader · ships an update every 3 weeks, Cromogenia Units every 3 days. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | QR Code Reader · | Cromogenia Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (670K ratings)](https://appshunter.io/ios/app/qr-code-reader/id1200318119/reviews)** | — |
| Number of ratings | **670K** | — |
| Positive reviews | 49.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Best chart rank | **#98** | — |
| Size | 83 MB | 2 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Lock LLC](https://appshunter.io/developer/1822372649) | [Andres Mico](https://appshunter.io/developer/855353623) |

## What reviewers say

### QR Code Reader ·

[App page](https://appshunter.io/ios/app/qr-code-reader/id1200318119)

**Currently charting:** #98 Top Grossing · Utilities (US App Store)

Easily scan various QR codes and barcodes to access detailed product information, data cards, and scan history. Organize your scans with folders and export data to CSV. Offers unlimited scans and ad-free experience with a PRO subscription.

**Highlights:** Scan 15+ code types, Product & food details, QR code data cards, Scan history, Organize with folders, Batch scan, CSV export

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $2.99 | per 7 days |
| Pro Version | $3.99 | per 7 days |
| Pro Version for 1 month | $3.99 | per month |
| Pro version | $3.99 | per 7 days |
| Monthly Premium | $6.99 | per month |
| Pro Version for 1 month | $7.99 | per month |
| Premium | $9.99 | per 7 days |
| Premium | $11.99 | per month |
| Pro Version 3 months | $14.99 | per 3 months |
| Pro Version 1 year | $29.99 | per year |

**What reviewers like**

- 🚀 Quick and easy scanning
- ✨ Useful for various purposes
- 👍 Works as described

**What reviewers complain about**

- 🔍 Struggles with certain barcodes
- 💰 Deceptive subscription practices
- 📢 Too many ads and pop-ups
- 🤔 Unclear cancellation process

**Reported bugs**

- Inconsistent scanning results
- Subscription charges even after app deletion

**Requested features**

- More manual control over scanning
- Clearer subscription and pricing information


### Cromogenia Units

[App page](https://appshunter.io/ios/app/cromogenia-units/id1490174371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader · free?

QR Code Reader · is free to download, with in-app purchases available.

### Is Cromogenia Units free?

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

### Do QR Code Reader · or Cromogenia Units have ads?

QR Code Reader · shows ads; Cromogenia Units does not.

### Which is updated more often, QR Code Reader · or Cromogenia Units?

QR Code Reader · ships an update every 3 weeks, and Cromogenia Units every 3 days. Most recently, QR Code Reader · was updated on October 20, 2026 and Cromogenia Units on October 9, 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.*