# PDF Editor ,PDF Book Reader ® vs Cooking Units

The clearest difference is in-app purchases: Cooking Units at none against PDF Editor ,PDF Book Reader ®'s 4. PDF Editor ,PDF Book Reader ®'s advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price there is nothing between them.

Both are free to download. PDF Editor ,PDF Book Reader ® sells 4 in-app purchases, starting at $9.99 per month. Cooking Units asks for nothing beyond the download.

PDF Editor ,PDF Book Reader ® ships an update every 3 days, Cooking Units every 3 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Editor ,PDF Book Reader ® | Cooking Units |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Every 3 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 5 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Milad Fakhr](https://appshunter.io/developer/380865844) | [Jose Gerardo Palma Duran](https://appshunter.io/developer/1873843788) |

## What reviewers say

### PDF Editor ,PDF Book Reader ®

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

This app allows you to read, edit, sign, scan, and organize PDF documents. It leverages Apple Intelligence for smart summaries, categorization, and auto-labeling, with all processing done on-device for privacy. It also integrates with Siri and Shortcuts for enhanced workflow.

**Highlights:** Read and listen to PDFs, Edit and annotate documents, Scan and convert to PDF, Organize library with categories and tags, Smart summaries and auto-labeling, Siri and Shortcuts integration, iCloud sync across Apple devices

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Quarterly Subscription | $19.99 | per 3 months |
| Yearly Subscription | $49.99 | per year |
| Lifetime Access | $99.99 | 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


### Cooking Units

[App page](https://appshunter.io/ios/app/cooking-units-kitchen-measure/id6758641490)

**Features:** macOS Compatibility, 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 Cooking Units free?

Cooking Units is free to download, with no in-app purchases.

### Do PDF Editor ,PDF Book Reader ® or Cooking Units have ads?

Cooking Units shows ads; PDF Editor ,PDF Book Reader ® does not.

### Which is updated more often, PDF Editor ,PDF Book Reader ® or Cooking Units?

PDF Editor ,PDF Book Reader ® ships an update every 3 days, and Cooking Units every 3 months. Most recently, PDF Editor ,PDF Book Reader ® was updated on November 9, 2026 and Cooking Units 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.*