Comparison

PDF Viewer by Nutrient vs PDF Reader Pro for Document

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Viewer by Nutrient

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
Read full description

PDF Viewer is a fast and beautiful app, allowing you to view, search, and annotate PDF documents with ease on your iPhone and iPad. Access your files from iCloud, Dropbox, Box, OneDrive, Google Drive or any other cloud solution via Apple's familiar Document Browser interface. +++ Listed as “Productivity lifesaver” on the App Store +++ "A streamlined interface packed with powerful features - it’s like having a desktop-quality PDF toolkit wherever we go" – App Store Editor Notes “I'm impressed by how the folks at PSPDFKit have been able to fine-tune the document browser to the app's needs.” – MacStories.net "If you want a PDF viewer that is designed for reading PDF books, this is it." – App Review VIEW DOCUMENTS ON THE GO • Easily import a PDF from your favorite cloud service provider, email, or directly off a website. • Supports Open In Place, Drag & Drop and features the familiar Apple Document Browser interface from the Files app. • Search for the exact text you are looking for within the document. • Double tap on the screen to Smart Zoom directly to the text you want to read. • Annotate images (JPEG, PNG) non-destructive, just like PDF documents. (PRO) ANNOTATE WITH EASE • While reviewing a document, use your finger or Apple Pencil to highlight and markup text. • Leave comments by adding a note, text, or drawing directly on the PDF. • Add images or audio. • Reply to notes. (PRO) SIGN DOCUMENTS ANYWHERE • Add your signature to any document using your finger or Apple Pencil. • Move and resize your signature as needed. • Flatten a document to ensure the signature doesn’t change. CREATE AND EDIT PDFs • Create new documents from existing documents by moving, rotating, deleting, or adding new pages. • Combine multiple documents into a single one. (PRO) • Add bookmarks to easily return to certain pages in large documents. FILL OUT FORMS • Quickly fill out PDF Forms by adding text to the fields. • Flatten and secure the form once you’re done to ensure the document doesn’t change. • Add a signature to any Form. STORE, ORGANIZE AND SHARE • Store documents, create folders and organize your documents. • Share documents by printing, emailing or saving your edits back any cloud service. PASSWORD PROTECT DOCUMENTS • Read document metadata, title and keywords. • Protect documents with user and owner passwords and limit permissions. (PRO) AND SO MUCH MORE • Conveniently switch to night mode when viewing your documents at night. • Present on external screens without the distraction of toolbars. (PRO) • Have the text from a PDF read out loud to you with text-to-speech. • PDF Viewer remembers where you were down to the page/position where you left off - even across devices. PRICING PDF Viewer comes with a large feature set, completely free. Some advanced features require the purchase of PDF Viewer Pro, available as a subscription. We offer 3-monthly and yearly subscription plans. There’s also a fully functional 7-day trial, so you can test PDF Viewer Pro (including document merging and password editing) before you commit. All plans unlock the app on iPhone and iPad. TRUSTED BY COMPANIES YOU KNOW PDF Viewer is built on top of and powered by PSPDFKit, the same PDF engine trusted around the world by companies like Dropbox, Box, IBM, Atlassian, SAP, and Lufthansa. BE PART OF THE PDF VIEWER COMMUNITY pdfviewer.io twitter.com/pdfviewerapp LEGAL Duration and price of each subscription are displayed in PDF Viewers’ storefront, updated at the time of purchase. Payment will be charged to iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off no later than 24 hours before the end of the current period. Subscriptions and auto-renewal can be managed/turned off in the iTunes account settings. Any unused portion of a free trial period is forfeited as soon as a subscription is purchased. Terms of Use: https://pdfviewer.io/terms Privacy Policy: https://pdfviewer.io/privacy

About

PDF Reader Pro for Document

This app provides a fast and secure way to view PDF documents on your mobile device. It allows you to open and read PDFs, access scanned documents, and share files in various formats like PDF and Word.

Highlights
  • View PDF documents
  • Access scanned PDFs
  • Share as PDF/Word
  • Reading mode
  • Upload documents
Features
Read full description

PDF Reader Pro for Document helps you finish real PDF work on iPhone: read a report before a meeting, mark up a contract, turn a PDF into an Office file, or send just the pages someone needs. Read PDFs in a clean mobile viewer built for everyday documents: business reports, agreements, class notes, research papers, proposals, receipts, and more. Mark up what matters with highlights, underlines, strikethroughs, ink, shapes, and text notes. Select existing annotations to remove them, or update FreeText notes when your comments change. Convert PDFs to Word, Excel, PPT, or images when you need reusable files for work, school, or sharing. Encrypted PDFs are detected before conversion, so protected documents stay out of the conversion flow. Organize pages without going back to a desktop. Reorder pages, delete unwanted pages, merge documents, split files, or export only the pages you need. Free users can read and annotate PDFs, with limited conversion access. VIP unlocks full conversion plus advanced page tools. Download PDF Reader Pro for Document and make PDF work simpler on iPhone. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Viewer by Nutrient4 screens
PDF Reader Pro for Document4 screens

Verdict

The call

The clearest difference is ads: PDF Viewer by Nutrient at none against PDF Reader Pro for Document's shown. PDF Viewer by Nutrient also leads on ratings volume (9.1K vs 367) and device support (4 vs 2). PDF Reader Pro for Document's advantage is monetization model (ad-supported vs freemium) and review sentiment (85% vs 74%). On price, rating, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Viewer by Nutrient sells 2 in-app purchases, starting at $6.99 per 3 months and PDF Reader Pro for Document sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for PDF Viewer by Nutrient against 4.7 for PDF Reader Pro for Document. That said, the two scores are not equally well evidenced: PDF Viewer by Nutrient has 9.1K ratings behind it against 367, so its average is the more settled of the two. Written reviews are what separate them: 74% of PDF Viewer by Nutrient's written reviews are positive against 85% of PDF Reader Pro for Document's.

UpkeepUpdate frequency

PDF Viewer by Nutrient ships an update monthly, PDF Reader Pro for Document every 3 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
PDF Viewer by Nutrient versus PDF Reader Pro for Document: the parameters behind the verdict, then further details
ParameterPDF Viewer by NutrientPDF Reader Pro for Document
PriceFreeFree
Rating4.6 (9.1K ratings)4.7 (367 ratings) — better
Positive reviews73.6% of reviews84.8% of reviews — better
Number of ratings9.1K — better367
Update frequencyMonthlyEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size112 MB73 MB
Age rating4+4+
DeveloperPSPDFKit GmbHFan Technology Limited

Customer experience

PDF Viewer by Nutrient

All ratings9,080 ratings
Positive90.9%
Neutral3.7%
Negative5.4%
Written reviews1,088 reviews
Positive73.6%
Neutral9.7%
Negative16.7%

PDF Reader Pro for Document

All ratings367 ratings
Positive93.2%
Neutral1.6%
Negative5.2%
Written reviews99 reviews
Positive84.8%
Neutral2.0%
Negative13.1%

User reviews

PDF Viewer by Nutrient

From 9.1K App Store ratings

What we love

  • 🚀 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

Room to improve

  • 🐛 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

PDF Reader Pro for Document

From 367 App Store ratings

What we love

  • 👍 Easy to use and intuitive interface
  • 💰 Completely free with no hidden costs or subscriptions
  • 🚀 Fast and reliable performance
  • 📄 Handles large files and catalogs well
  • ✨ No bloatware or unnecessary features

Room to improve

  • 🐛 Crashes and freezes frequently
  • ❌ Cannot open or read PDF files in some cases
  • 🚫 Cannot delete files easily
  • 📱 No landscape mode support
  • 🎨 Barebones UI with limited customization

Bugs and requests

PDF Viewer by Nutrient

Reported bugs

4 issues
  • 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

5 requests
  • 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

PDF Reader Pro for Document

Reported bugs

6 issues
  • App crashes and freezes during use
  • Cannot open downloaded PDF files
  • File deletion not working properly
  • Does not save last opened page
  • Poor performance on small phone screens
Show 1 more
  • Compatibility issues with older iOS versions

Requested features

8 requests
  • Add landscape mode orientation
  • Implement font size adjustment options
  • Add page number search functionality
  • Save last opened page position
  • Add PDF editing capabilities
Show 3 more
  • Optimize for iPad display format
  • Move top navigation bar to bottom
  • Improve file deletion functionality

In-app purchases

2 purchases

PDF Viewer by Nutrient

Subscriptions2
  • PDF Viewer Pro 3 Months7 Days trial$6.993 Months
  • PDF Viewer Pro Yearly7 Days trial$19.991 Year
2 purchases

PDF Reader Pro for Document

Subscriptions2
  • PDF Reader Pro Monthly$6.991 Month
  • PDF Reader Pro Yearly7 Days trial$39.991 Year

Questions

Is PDF Viewer by Nutrient free?
PDF Viewer by Nutrient is free to download, with in-app purchases available.
Is PDF Reader Pro for Document free?
PDF Reader Pro for Document is free to download, with in-app purchases available.
Which has better reviews, PDF Viewer by Nutrient or PDF Reader Pro for Document?
PDF Reader Pro for Document is rated higher. PDF Viewer by Nutrient averages 4.6 out of 5 from 9.1K ratings, while PDF Reader Pro for Document averages 4.7 from 367 ratings.
Do PDF Viewer by Nutrient or PDF Reader Pro for Document have ads?
PDF Reader Pro for Document shows ads; PDF Viewer by Nutrient does not.
Which is updated more often, PDF Viewer by Nutrient or PDF Reader Pro for Document?
PDF Viewer by Nutrient ships an update monthly, and PDF Reader Pro for Document every 3 weeks. Most recently, PDF Viewer by Nutrient was updated on September 24, 2026 and PDF Reader Pro for Document on September 22, 2026.

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