# Open Note vs PDF Reader & Tools

The clearest difference is in-app purchases: Open Note at none against PDF Reader & Tools's 1. Open Note also leads on iOS requirement (13.0 vs 15.0). PDF Reader & Tools's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. PDF Reader & Tools sells 1 one-off in-app purchase. Open Note asks for nothing beyond the download.

Open Note ships an update every 2 weeks, PDF Reader & Tools every 10 days. The most recent releases landed on October 27, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Open Note | PDF Reader & Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 95 MB | 57 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cao Hoang](https://appshunter.io/developer/1018748355) | [Gunawan Santoso](https://appshunter.io/developer/1843786072) |

## What reviewers say

### Open Note

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Reader & Tools

[App page](https://appshunter.io/ios/app/pdf-reader-and-tools-pdfkit/id6765846080)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFKit Pro | $6.99 | one-time |


## Frequently asked questions

### Is Open Note free?

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

### Is PDF Reader & Tools free?

PDF Reader & Tools is free to download, with in-app purchases available.

### Do Open Note or PDF Reader & Tools have ads?

Open Note shows ads; PDF Reader & Tools does not.

### Which is updated more often, Open Note or PDF Reader & Tools?

Open Note ships an update every 2 weeks, and PDF Reader & Tools every 10 days. Most recently, Open Note was updated on October 27, 2026 and PDF Reader & Tools on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*