# Creatinine Clearance Calc Pro vs QR Code Master

The clearest difference is in-app purchases: QR Code Master at none against Creatinine Clearance Calc Pro's 2. QR Code Master also leads on update cadence (every 2 days vs every 3 weeks). Creatinine Clearance Calc Pro's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17). On price and ads there is nothing between them.

Both are free to download. Creatinine Clearance Calc Pro sells 2 in-app purchases, starting at $1.99 per month. QR Code Master asks for nothing beyond the download.

Creatinine Clearance Calc Pro ships an update every 3 weeks, QR Code Master every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Creatinine Clearance Calc Pro | QR Code Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 33 MB | 12 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [立春 代](https://appshunter.io/developer/1840413474) | [Costhap](https://appshunter.io/developer/1690822307) |

## What reviewers say

### Creatinine Clearance Calc Pro

[App page](https://appshunter.io/ios/app/creatinine-clearance-calc-pro/id6752919668)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| yearly Subscription | $9.99 | per year |


### QR Code Master

[App page](https://appshunter.io/ios/app/qr-code-master-scanner/id6757116803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Creatinine Clearance Calc Pro free?

Creatinine Clearance Calc Pro is free to download, with in-app purchases available.

### Is QR Code Master free?

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

### Do Creatinine Clearance Calc Pro or QR Code Master have ads?

Neither Creatinine Clearance Calc Pro nor QR Code Master shows ads.

### Which is updated more often, Creatinine Clearance Calc Pro or QR Code Master?

Creatinine Clearance Calc Pro ships an update every 3 weeks, and QR Code Master every 2 days. Most recently, Creatinine Clearance Calc Pro was updated on October 30, 2026 and QR Code Master on October 31, 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.*