# QRCode ScanStudio vs AuthGuard

The clearest difference is monetization model: AuthGuard at free with in-app purchases against QRCode ScanStudio's subscription. AuthGuard also leads on update cadence (every 10 days vs every 4 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. QRCode ScanStudio sells 3 in-app purchases, starting at $9.99 per 7 days and AuthGuard sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for QRCode ScanStudio against 5.0 for AuthGuard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

QRCode ScanStudio ships an update every 4 weeks, AuthGuard every 10 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QRCode ScanStudio | AuthGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/qrcode-scanstudio-pdf-lab/id6759906764/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/authguard-2fa-and-otp-codes/id6760102423/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 32 MB | 49 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [阳 李](https://appshunter.io/developer/1784616893) | [宇杰 辛](https://appshunter.io/developer/1775198034) |

## What reviewers say

### QRCode ScanStudio

[App page](https://appshunter.io/ios/app/qrcode-scanstudio-pdf-lab/id6759906764)

This app is a comprehensive workspace for managing machine-readable content. It allows users to scan, decode, generate, and organize QR codes and barcodes, and also convert documents to PDF. It offers advanced scanning features and structured data parsing for various payload types.

**Highlights:** Live camera scanning with advanced controls, Extract codes from still images, Parse structured data from payloads, Generate QR codes and barcodes, Convert documents to PDF, Searchable local library for organization

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $49.99 | one-time |


### AuthGuard

[App page](https://appshunter.io/ios/app/authguard-2fa-and-otp-codes/id6760102423)

This app provides secure two-factor authentication (2FA) by generating time-based verification codes offline. It offers features like encrypted backups, iCloud sync, and Apple Watch integration for convenient account access and management.

**Highlights:** Secure two-factor authentication, Offline OTP/TOTP code generation, Encrypted backup and restore, iCloud sync between Apple devices, Apple Watch support, Home Screen widgets, Face ID/Touch ID protection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


## Frequently asked questions

### Is QRCode ScanStudio free?

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

### Is AuthGuard free?

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

### Which has better reviews, QRCode ScanStudio or AuthGuard?

QRCode ScanStudio and AuthGuard are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do QRCode ScanStudio or AuthGuard have ads?

Neither QRCode ScanStudio nor AuthGuard shows ads.

### Which is updated more often, QRCode ScanStudio or AuthGuard?

QRCode ScanStudio ships an update every 4 weeks, and AuthGuard every 10 days. Most recently, QRCode ScanStudio was updated on October 5, 2026 and AuthGuard on October 11, 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.*