# Scan All Codes vs CnR M.A.R.S.

The clearest difference is update cadence: Scan All Codes at every 2 months against CnR M.A.R.S.'s every 38 months. CnR M.A.R.S.'s advantage is iOS requirement (11.0 vs 15.0). 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.

Scan All Codes ships an update every 2 months, CnR M.A.R.S. every 38 months. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Scan All Codes | CnR M.A.R.S. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (37 ratings)](https://appshunter.io/ios/app/scan-all-codes/id532877858/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 38.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | Free | — |
| Size | 2 MB | 17 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Francesco Frison](https://appshunter.io/developer/397130405) | [Allerup.Com AS](https://appshunter.io/developer/1465876722) |

## What reviewers say

### Scan All Codes

[App page](https://appshunter.io/ios/app/scan-all-codes/id532877858)

Easily scan barcodes and QR codes by simply pointing your device. Search online for product information, store scan history, and even add reminders for offline use. Enhance scans with the flash and view URL QR codes directly on your Mac.

**Highlights:** Scan barcodes and QR codes, Online content search, Scan history storage, Offline reminders, Flashlight enhancement, Handoff for URL QR codes, Scan from photos

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

**In-app purchases:** none


### CnR M.A.R.S.

[App page](https://appshunter.io/ios/app/cnr-mars/id1243473878)

**In-app purchases:** none


## Frequently asked questions

### Is Scan All Codes free?

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

### Is CnR M.A.R.S. free?

CnR M.A.R.S. is free to download, with no in-app purchases.

### Do Scan All Codes or CnR M.A.R.S. have ads?

Neither Scan All Codes nor CnR M.A.R.S. shows ads.

### Which is updated more often, Scan All Codes or CnR M.A.R.S.?

Scan All Codes ships an update every 2 months, and CnR M.A.R.S. every 38 months. Most recently, Scan All Codes was updated on September 18, 2026 and CnR M.A.R.S. on September 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.*