# QR Code Reader vs Max Heart Rate Calculator

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

Both are free to download. QR Code Reader sells 2 in-app purchases, starting at $4.99 per 7 days. Max Heart Rate Calculator asks for nothing beyond the download.

QR Code Reader ships an update every 3 weeks, Max Heart Rate Calculator every 2 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | QR Code Reader | Max Heart Rate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-scan-create/id6761553603/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 11 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Riverside Art LLC](https://appshunter.io/developer/1890261507) | [卿 杨](https://appshunter.io/developer/1061521499) |

## What reviewers say

### QR Code Reader

[App page](https://appshunter.io/ios/app/qr-code-reader-scan-create/id6761553603)

Quickly scan and generate QR codes and barcodes for various purposes, from everyday use to business needs. Features include instant recognition, safe browsing, and batch processing. Offers a free trial for advanced utilities.

**Highlights:** Instant scanning engine, Auto-focus and detection, Safe browsing for URLs, Support for multiple formats, Custom QR code generation, Sequential batch scanning, Local history vault

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Scan QR Code | $4.99 | per 7 days |
| Unlock Scan QR Code | $9.99 | per 7 days |


### Max Heart Rate Calculator

[App page](https://appshunter.io/ios/app/max-heart-rate-calculator/id6761749374)

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

**In-app purchases:** none


## Frequently asked questions

### Is QR Code Reader free?

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

### Is Max Heart Rate Calculator free?

Max Heart Rate Calculator is free to download, with no in-app purchases.

### Do QR Code Reader or Max Heart Rate Calculator have ads?

QR Code Reader shows ads; Max Heart Rate Calculator does not.

### Which is updated more often, QR Code Reader or Max Heart Rate Calculator?

QR Code Reader ships an update every 3 weeks, and Max Heart Rate Calculator every 2 months. Most recently, QR Code Reader was updated on September 21, 2026 and Max Heart Rate Calculator on September 20, 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.*