# PDF Editor ,PDF Book Reader ® vs Watch Notes | Sync Your Docs

The clearest difference is in-app purchases: Watch Notes | Sync Your Docs at none against PDF Editor ,PDF Book Reader ®'s 6. PDF Editor ,PDF Book Reader ®'s advantage is update cadence (every 4 days vs fortnightly) and device support (5 vs 3). On price, ads and iOS requirement there is nothing between them.

Both are free to download. PDF Editor ,PDF Book Reader ® sells 6 in-app purchases, starting at $9.99 per month. Watch Notes | Sync Your Docs asks for nothing beyond the download.

PDF Editor ,PDF Book Reader ® ships an update every 4 days, Watch Notes | Sync Your Docs fortnightly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PDF Editor ,PDF Book Reader ® | Watch Notes | Sync Your Docs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22K ratings)](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 7 MB |
| Requires iOS | **17.0** | 18.1 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Milad Fakhr](https://appshunter.io/developer/380865844) | [CodePro Studios](https://appshunter.io/developer/1448329589) |

## What reviewers say

### PDF Editor ,PDF Book Reader ®

[App page](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

**Highlights:** Read and edit PDFs, Annotate and markup documents, Fill forms and add digital signatures, Convert images and web pages to PDF, Scan documents with OCR, Organize and manage PDF library, Share via AirDrop and iCloud

**Features:** Family Sharing, Siri integration, Apple Watch app, iMessage stickers, SharePlay

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Quarterly Subscription | $17.99 | per 3 months |
| Yearly Subscription | $39.99 | per year |
| Scanner (OCR) | $3.99 | one-time |
| PDF Editor Creator  & Scanner | $49.99 | one-time |
| Lifetime Access | $100.99 | one-time |

**What reviewers like**

- 🚀 Easy to use and navigate
- 👍 Helpful for signing documents
- 🚀 Efficient PDF editing and management
- 🚀 Reliable performance and compatibility
- 👍 Useful for reading and annotating PDFs

**What reviewers complain about**

- 🐛 Issues with saving edits and text input
- 🐛 Occasional crashes or freezes
- 🔒 Concerns about privacy and data collection

**Reported bugs**

- Text not saving properly after editing
- Difficulty accessing documents at the bottom of PDFs

**Requested features**

- Add folder organization for PDFs
- Improve text editing and input responsiveness
- Provide more customization options for PDF viewing
- Integrate with cloud storage services


### Watch Notes | Sync Your Docs

[App page](https://appshunter.io/ios/app/watch-notes-sync-your-docs/id6740779369)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Editor ,PDF Book Reader ® free?

PDF Editor ,PDF Book Reader ® is free to download, with in-app purchases available.

### Is Watch Notes | Sync Your Docs free?

Watch Notes | Sync Your Docs is free to download, with no in-app purchases.

### Do PDF Editor ,PDF Book Reader ® or Watch Notes | Sync Your Docs have ads?

Neither PDF Editor ,PDF Book Reader ® nor Watch Notes | Sync Your Docs shows ads.

### Which is updated more often, PDF Editor ,PDF Book Reader ® or Watch Notes | Sync Your Docs?

PDF Editor ,PDF Book Reader ® ships an update every 4 days, and Watch Notes | Sync Your Docs fortnightly. Most recently, PDF Editor ,PDF Book Reader ® was updated on October 13, 2026 and Watch Notes | Sync Your Docs on October 11, 2026.

---

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