# PDF Pro vs iDoc

The clearest difference is in-app purchases: iDoc at none against PDF Pro's 12. iDoc also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Pro sells 12 in-app purchases, starting at $1.99 per month. iDoc asks for nothing beyond the download.

PDF Pro ships an update every 2 months, iDoc every 8 days. The most recent releases landed on September 22, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | PDF Pro | iDoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.9K ratings)](https://appshunter.io/ios/app/pdf-pro-reader-editor-forms/id454936656/reviews)** | — |
| Number of ratings | **6.9K** | — |
| Positive reviews | 60.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Subscription | — |
| Size | 91 MB | 41 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominic Rodemer](https://appshunter.io/developer/309872333) | [TP TECHNOLOGY SERVICES COMPANY LIMITED](https://appshunter.io/developer/1683283412) |

## What reviewers say

### PDF Pro

[App page](https://appshunter.io/ios/app/pdf-pro-reader-editor-forms/id454936656)

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

**Highlights:** Edit and annotate PDFs, Highlight text and add notes, Embed audio and photo annotations, Full-text search of PDF library, Fill out and sign PDF forms, Organize PDFs with folders and tags, Import from cloud storage

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Offer - Monthly - macOS | $1.99 | per month |
| Offer - Monthly - iOS | $2.99 | per month |
| Premium - Monthly - iOS | $3.99 | per month |
| Premium - Monthly - macOS | $4.99 | per month |
| Offer - Annual - iOS | $12.99 | per year |
| Offer - Annual - macOS | $22.99 | per year |
| Premium  - Annual - iOS | $24.99 | per year |
| Offer - macOS + iOS | $24.99 | per year |
| Offer - iOS + macOS | $29.99 | per year |
| Premium - Annual - macOS | $44.99 | per year |
| Premium - iOS + macOS | $49.99 | per year |
| Premium - macOS + iOS | $49.99 | per year |

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Fast and efficient
- 💡 Excellent PDF management features
- 🔒 Secure and reliable
- 🎨 Great annotation tools

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 💰 Expensive subscription model
- 🔍 Inconsistent search functionality
- 📖 Loses last read position
- 🖋️ Unreliable handwriting support

**Reported bugs**

- Annotations and highlights randomly disappearing
- Compatibility issues with newer iOS versions
- Corrupted PDF files after editing
- Slow performance on older devices
- Inconsistent behavior when switching between PDFs

**Requested features**

- Improved bookmarking and note-taking
- Seamless iCloud/cloud storage integration
- Customizable keyboard shortcuts
- Advanced text editing and OCR capabilities
- Better organization and folder management


### iDoc

[App page](https://appshunter.io/ios/app/idoc-pdf-reader-and-viewer/id6448430525)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Pro free?

PDF Pro is free to download, with in-app purchases available.

### Is iDoc free?

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

### Do PDF Pro or iDoc have ads?

Neither PDF Pro nor iDoc shows ads.

### Which is updated more often, PDF Pro or iDoc?

PDF Pro ships an update every 2 months, and iDoc every 8 days. Most recently, PDF Pro was updated on September 22, 2026 and iDoc on May 16, 2026.

---

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