# CNOI VM vs QR Code Reader

The clearest difference is in-app purchases: CNOI VM at none against QR Code Reader's 9. CNOI VM also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.0). QR Code Reader's advantage is update cadence (every 10 days vs monthly) and chart position (#199 vs unranked). On price and device support there is nothing between them.

Both are free to download. QR Code Reader sells 9 in-app purchases, starting at $3.99 per 7 days. CNOI VM asks for nothing beyond the download.

CNOI VM ships an update monthly, QR Code Reader every 10 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CNOI VM | QR Code Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/qr-code-reader-qr-ace-scanner/id6751625696/reviews)** |
| Number of ratings | — | **1.2K** |
| Positive reviews | — | 87.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Subscription |
| Best chart rank | — | **#199** |
| Size | 101 MB | 41 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CNOI](https://appshunter.io/developer/1798518180) | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) |

## What reviewers say

### CNOI VM

[App page](https://appshunter.io/ios/app/cnoi-vm/id6742459321)

**Features:** macOS Compatibility

**In-app purchases:** none


### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-qr-ace-scanner/id6751625696)

**Currently charting:** #199 Top Grossing · Utilities (US App Store)

This app quickly scans QR codes and barcodes to provide detailed product information, including price comparisons and authenticity verification. It also allows for the generation of custom QR codes for various data types.

**Highlights:** Instant price checks across major platforms, Detailed product information (nutrition, allergens), Barcode authenticity verification, Batch scanning and image import, Customizable QR code generator, Scan history and favorites, Export scan results to CSV/Excel

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly | $3.99 | per 7 days |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Weekly | $7.99 | per 7 days |
| Premium - Monthly | $9.99 | per month |
| Premium - Monthly | $9.99 | per month |
| Premium - Weekly | $9.99 | per 7 days |
| Premium - Yearly | $19.99 | per year |


## Frequently asked questions

### Is CNOI VM free?

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

### Is QR Code Reader free?

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

### Do CNOI VM or QR Code Reader have ads?

QR Code Reader shows ads; CNOI VM does not.

### Which is updated more often, CNOI VM or QR Code Reader?

CNOI VM ships an update monthly, and QR Code Reader every 10 days. Most recently, CNOI VM was updated on October 11, 2026 and QR Code Reader on October 15, 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.*