# PDF Notes Pro vs AO Office Pro

The clearest difference is price: PDF Notes Pro at $4.99 against AO Office Pro's $19.99. AO Office Pro's advantage is rating (4.2 vs 1.7) and review sentiment (52% vs 13%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

PDF Notes Pro costs $4.99 and AO Office Pro $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AO Office Pro holds the better App Store score, 4.2 against 1.7. That said, the two scores are not equally well evidenced: AO Office Pro has 165 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 13% of PDF Notes Pro's written reviews are positive against 52% of AO Office Pro's.

PDF Notes Pro ships an update every 3 weeks, AO Office Pro every 6 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | PDF Notes Pro | AO Office Pro |
| --- | --- | --- |
| Price | **$4.99** | $19.99 |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/pdf-notes-pro/id852698318/reviews) | **[4.2 (165 ratings)](https://appshunter.io/ios/app/ao-office-pro/id1097657424/reviews)** |
| Number of ratings | 6 | **165** |
| Positive reviews | 12.5% of reviews | **52.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Paid | Paid |
| Size | 40 MB | 239 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UMateY](https://appshunter.io/developer/327433577) | [Akikazu Yoshikawa](https://appshunter.io/developer/1097657423) |

## What reviewers say

### PDF Notes Pro

[App page](https://appshunter.io/ios/app/pdf-notes-pro/id852698318)

Transform your iOS device into a digital notebook for annotating and managing PDF documents. Easily add handwritten notes, highlights, and drawings directly onto PDFs, and organize your files with a built-in management system. Share, print, and search your documents and notes with ease.

**Highlights:** Handwritten notes with audio recording, PDF annotation (highlight, underline, strikeout), Freehand drawing and signing, Full-text search within PDFs and notes, Built-in file management, PDF sharing and printing

**Features:** Vision Pro support

**In-app purchases:** none


### AO Office Pro

[App page](https://appshunter.io/ios/app/ao-office-pro/id1097657424)

This app provides a comprehensive office suite for mobile devices, enabling users to view, edit, import, and export a wide range of document types. It includes tools for word processing, spreadsheets, presentations, drawing, and mathematical equations, mirroring the functionality of desktop office software.

**Highlights:** View, edit, import, and export documents, Full OpenOffice/LibreOffice functionality, Writer, Calc, Impress, Draw, and Math components, PDF export and import, Cloud storage integration (Dropbox, Google Drive, etc.), Support for numerous file formats

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Notes Pro free?

PDF Notes Pro costs $4.99, with no in-app purchases.

### Is AO Office Pro free?

AO Office Pro costs $19.99, with no in-app purchases.

### Which has better reviews, PDF Notes Pro or AO Office Pro?

AO Office Pro is rated higher. PDF Notes Pro averages 1.7 out of 5 from 6 ratings, while AO Office Pro averages 4.2 from 165 ratings.

### Do PDF Notes Pro or AO Office Pro have ads?

Neither PDF Notes Pro nor AO Office Pro shows ads.

### Which is updated more often, PDF Notes Pro or AO Office Pro?

PDF Notes Pro ships an update every 3 weeks, and AO Office Pro every 6 weeks. Most recently, PDF Notes Pro was updated on October 16, 2026 and AO Office Pro 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.*