# Code Scan vs KarreMES

The clearest difference is update cadence: KarreMES at every 3 days against Code Scan's weekly. 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.

Code Scan ships an update weekly, KarreMES every 3 days. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Code Scan | KarreMES |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (748 ratings)](https://appshunter.io/ios/app/code-scan-qr-barcode-scanner/id1554812545/reviews)** | — |
| Number of ratings | **748** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | — |
| Size | 15 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KURZ Digital Solutions GmbH & Co. KG](https://appshunter.io/developer/1416497893) | [Martin Buchfellner](https://appshunter.io/developer/1870553993) |

## What reviewers say

### Code Scan

[App page](https://appshunter.io/ios/app/code-scan-qr-barcode-scanner/id1554812545)

This app scans and creates various 1D and 2D barcodes, including QR codes and DataMatrix. It uniquely verifies cryptographic seals on official documents and offers batch scanning for efficiency. Users can also create their own codes and manage their scan history.

**Highlights:** Scan all common 1D and 2D barcodes, Create QR, DataMatrix, Aztec, PDF417, and Code 128 codes, Verify cryptographic seals on official documents, Batch scan multiple codes continuously, Export scan history as CSV, Share scans to your own server, Live preview for code creation

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and accurate scanning
- 👍 Easy to use and straightforward
- 💡 Supports various barcode and QR code types
- 💡 Excellent for difficult-to-scan codes
- 💡 Flashlight feature is convenient

**What reviewers complain about**

- 😡 Nag pop-up for reviews
- 🐛 Does not load websites
- 🐛 Useless for specific registration tasks
- 🐛 Copy or close options produce no result

**Reported bugs**

- Does not load websites
- Copy or close options produce no result

**Requested features**

- Ability to view previously scanned QR codes (not just data)
- Option to contribute via donation instead of ads


### KarreMES

[App page](https://appshunter.io/ios/app/karremes/id6758047509)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Code Scan free?

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

### Is KarreMES free?

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

### Do Code Scan or KarreMES have ads?

Neither Code Scan nor KarreMES shows ads.

### Which is updated more often, Code Scan or KarreMES?

Code Scan ships an update weekly, and KarreMES every 3 days. Most recently, Code Scan was updated on November 11, 2026 and KarreMES on November 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.*