# QR Code Reader vs CatAuth

The clearest difference is in-app purchases: QR Code Reader at none against CatAuth's 3. QR Code Reader also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.6). CatAuth's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. CatAuth sells 3 in-app purchases, starting at $6.99 per 7 days. QR Code Reader asks for nothing beyond the download.

QR Code Reader ships an update weekly, CatAuth every 2 weeks. The most recent releases landed on September 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | QR Code Reader | CatAuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-scan-and-create/id6763844775/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 45 MB | 46 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Yamaguchi](https://appshunter.io/developer/1819294170) | [RICHYARD GEIMS, TOO](https://appshunter.io/developer/1712845899) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scan-and-create/id6763844775)

Instantly scan QR codes and barcodes with a high-performance reader that launches immediately. Generate custom QR codes for various data types and save scan history locally. Supports front camera and flashlight for convenience.

**Highlights:** Instant scan on launch, Scan from photos, QR code generator, Automatic history save, Front camera support, Flashlight toggle

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

**In-app purchases:** none


### CatAuth

[App page](https://appshunter.io/ios/app/catauth-2fa-authenticator/id6788870191)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $6.99 | per 7 days |
| Premium Weekly Trial | $6.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is QR Code Reader free?

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

### Is CatAuth free?

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

### Do QR Code Reader or CatAuth have ads?

QR Code Reader shows ads; CatAuth does not.

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

QR Code Reader ships an update weekly, and CatAuth every 2 weeks. Most recently, QR Code Reader was updated on September 29, 2026 and CatAuth on September 21, 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.*