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Best Free PDF Viewer Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated November 2026

The best free pdf viewer apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Free PDF Viewer Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (670K)NoYesNov 2026
2PDF Viewer - All PDF ReaderPDF Viewer - All PDF ReaderFree—NoYesMay 2026
3PDF Viewer by NutrientPDF Viewer by NutrientFree4.6★ (9.1K)NoYesNov 2026
4PDF Editor - Files Converter |PDF Editor - Files Converter |Free4.1★ (16)NoYesNov 2026
5PDF Reader - Viewer&ScannerPDF Reader - Viewer&ScannerFree—NoNoMay 2026
6PDF Reader – PDFelementPDF Reader – PDFelementFree4.3★ (3.9K)NoNoNov 2026
7Bookview PDF ReaderBookview PDF ReaderFree—NoNoMay 2026
8PDF Reader - Editor & ViewerPDF Reader - Editor & ViewerFree4.6★ (3.8K)NoYesNov 2026

Top Picks for Free PDF Viewer

Acrobat Reader: PDF Editor#1

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Editor's Choice
💼 Business
4.6😞(670K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
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Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

This app allows you to view, edit, sign, and convert PDF documents. It offers free tools for reading and annotating PDFs, with premium features for advanced editing, creation, and conversion. An AI assistant is also available for summarizing and extracting information from documents.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
  • 👎 Counterintuitive user interface changes
  • 🔍 Poor search and organization features
PDF Viewer by Nutrient#3

PDF Viewer by Nutrient by PSPDFKit GmbH

Fill Forms, Sign, Edit, Redact
Worth Considering
📊 Productivity
4.6😊(9.1K ratings)
FreeIn-App Purchases
PDF Viewer by Nutrient screenshot 1
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PDF Viewer by Nutrient screenshot 5
PDF Viewer by Nutrient screenshot 6

Easily view, search, and annotate PDF documents on your iPhone and iPad. Access files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features are available through a subscription.

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
  • 🆓 Excellent free version with no ads

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

More Free PDF Viewer apps to explore

FAQ about Free PDF Viewer

What are the best free pdf viewer apps for iPhone?
Acrobat Reader: PDF Editor tops our free pdf viewer apps ranking as of November 2026, with a 4.6-star average from 670K App Store ratings, and it's free to download.
Acrobat Reader: PDF Editor has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ free pdf viewer apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.