PDF Viewer by Nutrient

PDF Viewer by Nutrient

Fill Forms, Sign, Edit, Redact

9.1K ratings
1076 reviews
Free
In-App Purchases

Details

  • Released
  • Updated

Features

PDF Viewer by Nutrient video #1 for iPhone
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PDF Viewer by Nutrient screenshot #11 for iPhone
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About

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.

View and search PDFs
Annotate with highlights and notes
Sign documents digitally
Fill out PDF forms
Organize and share documents
Import from cloud services
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What users say

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+1

What's New in PDF Viewer by Nutrient

2026.9

July 15, 2026

This update improves reliability, performance, search behavior, forms, and rendering — especially for large or complex PDFs. Here’s the full list of changes: • Improved responsiveness when creating or updating annotations in complex documents, such as building plans. • Improved searching in very large documents: searches are less likely to run out of memory, and the app now lets you know when results may be incomplete. • Added support for editing rotated text form fields while keeping their displayed orientation correct. • Fixed a crash that could happen when returning to the app while a popover, such as the annotation inspector or outline, was open. • Fixed pages shifting unexpectedly when showing or hiding the interface in some situations. • Fixed the Clear Field button staying disabled for some choice form fields. • Fixed unreliable two-finger scrolling while a text markup tool was active. • Fixed some PDFs with CMYK colors and transparency rendering with washed-out colors. • Fixed unchecked radio buttons sometimes appearing as squares or disappearing after saving. We’d love to hear your feedback! If you have ideas or feature requests for future versions of the app, feel free to let us know. You can contact us using the in-app Support button on the settings screen. If you enjoy the app, please write us a review and help spread the word! Thanks!

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Subscription plans

PDF Viewer Pro Yearly

Redaction, PDF merging & more for 1 year

$19.991 Year
7 Days trial
How to cancel PDF Viewer by Nutrient subscription ⁉️

User reviews

This app is blocking its best feature. Poorly designed!

This app is the most limited app that I've ever tried. It's crazy. The very reason why I have this app downloaded, which is the page curl for PDFs, is blocked partially by the top window especially if you have other PDFs opened. It doesn't allow you to correct the fitting size. Why would you have a page curl feature that's blocked by the navigation of tabs and not allow a person to correct the fitting so that they can enjoy the page curl? It's nonsense.
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OMG! You deleted all my PDFs!!!!

Oh! My! God! You monkeys DELETED ALL MY PDFs! You’re stupid Data/Documents file had grown to 3/4 GBs (Apples scam causing big memory devices to be sold for more $$$ so I deleted it and reloaded it. You idiots deleted the folder with all the PDF files. Hours and hours of Internet research WASTED by you idiots! Not even intelligent enough to ASK first stupid!
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A more professional alternative to PDF Expert

Professionals know the importance of professional associations and industry standards. Nutrient is a member of the PDF Association; PDF Expert’s developer was not, as far as I last checked. It means that Nutrient is more involved in the wider PDF industry, including the ISO standards for PDFs. Nutrient prices the Pro version of this app very reasonably because it showcases their core business: providing PDF software services to top-tier international organisations. I like this app’s clean and simple UI.
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A more professional alternative to PDF Expert

Professionals know the importance of professional associations. Nutrient is a member of the PDF Association; PDF Expert’s developer was not, as far as I last checked. It means that Nutrient is more involved in the wider PDF industry, including the ISO standards for PDFs. Nutrient prices the Pro version of this app very reasonably because it showcases their core business: providing PDF software services to top-tier international organisations.
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App performance

It’s a good app and I’ve been using it for a long time, but after updating the last version, editing on the pdf becomes slower and the app still glitches and closes the file. I hope this issue being fixed soon.

Developer apps

User experience

🐞

Reported Bugs

4 issues

Annotations randomly disappearing or not saving

Bug

Incompatibility issues with certain PDF files

Bug

Scrolling and panning problems on large PDFs

Bug

Unexpected crashes after iOS updates

Bug

Requested Features

5 requests

Add a rubber/eraser tool for annotations

Feature

Implement a side-by-side PDF view mode

Feature

Improve palm rejection and gesture support

Feature

Allow customization of toolbar and shortcuts

Feature

Provide better options for PDF file management

Feature

FAQ

What can I do with this PDF viewer app?

This app allows you to view, search, and annotate PDF documents with ease. You can also fill out PDF forms, add your digital signature, organize your files into folders, and share them via email or cloud services. Advanced features like combining documents and redaction are available with a Pro subscription.

How do I import documents into the app?

You can easily import PDFs from your favorite cloud service providers like iCloud, Dropbox, Box, OneDrive, or Google Drive. The app also supports importing via email or directly from a website. It utilizes Apple's familiar Document Browser interface for seamless integration.

Is the app free to use?

The app offers a large feature set completely free for viewing, basic annotation, and form filling. However, some advanced features, such as combining multiple documents, annotating images non-destructively, and password protection, require the purchase of PDF Viewer Pro, which is available as a subscription.

What are the subscription options for PDF Viewer Pro?

PDF Viewer Pro is available as a subscription with both 3-monthly and yearly plans. The app also offers a fully functional 7-day trial period, allowing you to test the Pro features before committing to a subscription.

Can I use this app on my iPhone and iPad?

Yes, the app is designed for both iPhone and iPad, providing a seamless experience across Apple devices. It supports features like Open In Place and Drag & Drop, and remembers your reading progress down to the page and position, even across devices.