# PMS QR Code Scanner vs Open Note

The clearest difference is ads: PMS QR Code Scanner at none against Open Note's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PMS QR Code Scanner | Open Note |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 14 MB | 95 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Valentia Technologies](https://appshunter.io/developer/1540924815) | [Cao Hoang](https://appshunter.io/developer/1018748355) |

## What reviewers say

### PMS QR Code Scanner

[App page](https://appshunter.io/ios/app/pms-qr-code-scanner/id6444846987)

**Features:** macOS Compatibility

**In-app purchases:** none


### Open Note

[App page](https://appshunter.io/ios/app/open-note-ghi-chu-nhanh/id6471949376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PMS QR Code Scanner free?

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

### Is Open Note free?

Open Note is free to download, with no in-app purchases.

### Do PMS QR Code Scanner or Open Note have ads?

Open Note shows ads; PMS QR Code Scanner does not.

### Which is updated more often, PMS QR Code Scanner or Open Note?

PMS QR Code Scanner ships an update every 2 weeks, and Open Note every 2 weeks. Most recently, PMS QR Code Scanner was updated on October 10, 2026 and Open Note on October 16, 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.*