# PDF Max Pro vs PDF Viewer by Nutrient

The clearest difference is price: PDF Viewer by Nutrient at Free against PDF Max Pro's $9.99. PDF Viewer by Nutrient also leads on review sentiment (73% vs 41%) and ratings volume (9.1K vs 1.5K). On rating, update cadence, ads and in-app purchases there is nothing between them.

PDF Viewer by Nutrient is free to download; PDF Max Pro costs $9.99 up front. PDF Max Pro sells 4 in-app purchases, starting at $2.99 per 7 days and PDF Viewer by Nutrient sells 2 in-app purchases, starting at $6.99 per 3 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for PDF Max Pro against 4.6 for PDF Viewer by Nutrient. That said, the two scores are not equally well evidenced: PDF Viewer by Nutrient has 9.1K ratings behind it against 1.5K, so its average is the more settled of the two. Written reviews are what separate them: 41% of PDF Max Pro's written reviews are positive against 73% of PDF Viewer by Nutrient's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | PDF Max Pro | PDF Viewer by Nutrient |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.5 (1.5K ratings)](https://appshunter.io/ios/app/pdf-max-pro-edit-sign-pdfs/id552664144/reviews) | **[4.6 (9.1K ratings)](https://appshunter.io/ios/app/pdf-viewer-by-nutrient/id1120099014/reviews)** |
| Number of ratings | 1.5K | **9.1K** |
| Positive reviews | 41.2% of reviews | **73.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 301 MB | 109 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Mobeera Co., Ltd](https://appshunter.io/developer/540572076) | [PSPDFKit GmbH](https://appshunter.io/developer/966931428) |

## What reviewers say

### PDF Max Pro

[App page](https://appshunter.io/ios/app/pdf-max-pro-edit-sign-pdfs/id552664144)

This comprehensive PDF editor allows you to edit, annotate, organize, and sign documents on your iPhone, iPad, and Mac. It transforms PDFs into interactive workspaces, enabling you to collect and connect important information, study effectively, and collaborate on projects.

**Highlights:** Edit text, images, and shapes, Annotate and highlight PDFs, Fill and sign forms, Organize and connect PDF content, Scan and OCR documents, Create fillable forms, Export to Markdown, PDF, or Word

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription (1 week) | $2.99 | per 7 days |
| One year Premium | $34.99 | per year |
| Onboarding Yearly Offer | $34.99 | per year |
| Premium Package | $4.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Great features
- 🚀 Excellent PDF editing tools
- 👍 Useful for documentation

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Loses data/annotations
- 💰 Expensive subscription
- 🐛 Compatibility issues with new iOS versions
- 🐛 Unreliable file management

**Reported bugs**

- App crashes when opening certain PDF files
- Annotations and edits not saving properly
- Inability to restore previous in-app purchases
- Syncing issues with Dropbox and Google Drive

**Requested features**

- Add text-to-speech and speech-to-text functionality
- Improve integration with cloud storage services
- Enhance annotation tools and responsiveness
- Provide better documentation and support


### PDF Viewer by Nutrient

[App page](https://appshunter.io/ios/app/pdf-viewer-by-nutrient/id1120099014)

Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.

**Highlights:** View and search PDFs, Annotate with highlights and notes, Sign documents digitally, Fill out PDF forms, Organize and share documents, Import from cloud services

**Features:** Family Sharing, iMessage stickers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Viewer Pro 3 Months | $6.99 | per 3 months |
| PDF Viewer Pro Yearly | $19.99 | per year |

**What reviewers like**

- 🚀 Seamless integration with iCloud and Files app
- 👍 Intuitive annotation tools with Apple Pencil
- 🎨 Versatile highlighting and drawing options
- 💾 Saves annotations to original PDF files
- 🔍 Powerful search and navigation features

**What reviewers complain about**

- 🐛 Occasional crashes and performance issues
- 🤔 Confusing UI and steep learning curve
- 🔀 Difficulty managing and organizing PDF files
- 🔍 Inconsistent text selection and highlighting
- 🔒 Privacy concerns around data collection

**Reported bugs**

- Annotations randomly disappearing or not saving
- Incompatibility issues with certain PDF files
- Scrolling and panning problems on large PDFs
- Unexpected crashes after iOS updates

**Requested features**

- Add a rubber/eraser tool for annotations
- Implement a side-by-side PDF view mode
- Improve palm rejection and gesture support
- Allow customization of toolbar and shortcuts
- Provide better options for PDF file management


## Frequently asked questions

### Is PDF Max Pro free?

PDF Max Pro costs $9.99, and also offers in-app purchases.

### Is PDF Viewer by Nutrient free?

PDF Viewer by Nutrient is free to download, with in-app purchases available.

### Which has better reviews, PDF Max Pro or PDF Viewer by Nutrient?

PDF Viewer by Nutrient is rated higher. PDF Max Pro averages 4.5 out of 5 from 1.5K ratings, while PDF Viewer by Nutrient averages 4.6 from 9.1K ratings.

### Do PDF Max Pro or PDF Viewer by Nutrient have ads?

Neither PDF Max Pro nor PDF Viewer by Nutrient shows ads.

### Which is updated more often, PDF Max Pro or PDF Viewer by Nutrient?

PDF Max Pro ships an update monthly, and PDF Viewer by Nutrient monthly. Most recently, PDF Max Pro was updated on November 1, 2026 and PDF Viewer by Nutrient on November 4, 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.*