# Protern Clock vs QR Code Reader－Barcode Scanner

The clearest difference is price: QR Code Reader－Barcode Scanner at Free against Protern Clock's $9.99. QR Code Reader－Barcode Scanner also leads on update cadence (every 6 weeks vs every 6 months). Protern Clock's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

QR Code Reader－Barcode Scanner is free to download; Protern Clock costs $9.99 up front. QR Code Reader－Barcode Scanner sells 5 in-app purchases, starting at $2.99 per 7 days. Protern Clock asks for nothing beyond the download.

Protern Clock ships an update every 6 months, QR Code Reader－Barcode Scanner every 6 weeks. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Protern Clock | QR Code Reader－Barcode Scanner |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[4.7 (32 ratings)](https://appshunter.io/ios/app/qr-code-readerbarcode-scanner/id6504292258/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 56 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proskida](https://appshunter.io/developer/1584744490) | [Erwin Belen](https://appshunter.io/developer/1751746595) |

## What reviewers say

### Protern Clock

[App page](https://appshunter.io/ios/app/protern-clock-ltc-generator/id6444395457)

**In-app purchases:** none


### QR Code Reader－Barcode Scanner

[App page](https://appshunter.io/ios/app/qr-code-readerbarcode-scanner/id6504292258)

This app quickly scans and generates QR codes and barcodes. It can also scan product details, business cards, and connect to WiFi networks. Store and access your scan history easily.

**Highlights:** QR Code Reader and Scanner, Barcode Scanner, QR Code Generator, Scan Product Codes, Scan Business Cards, QR Scanner with History, Generate 2FA tokens

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Monthly Pro | $9.99 | per month |
| Yearly 50% 0ff | $24.99 | per year |
| Yearly Pro | $49.99 | per year |
| Lifetime Pro Access | $49.99 | one-time |


## Frequently asked questions

### Is Protern Clock free?

Protern Clock costs $9.99, with no in-app purchases.

### Is QR Code Reader－Barcode Scanner free?

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

### Do Protern Clock or QR Code Reader－Barcode Scanner have ads?

QR Code Reader－Barcode Scanner shows ads; Protern Clock does not.

### Which is updated more often, Protern Clock or QR Code Reader－Barcode Scanner?

Protern Clock ships an update every 6 months, and QR Code Reader－Barcode Scanner every 6 weeks. Most recently, Protern Clock was updated on October 27, 2026 and QR Code Reader－Barcode Scanner on October 23, 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.*