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Best Open PDF Apps

246+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our open pdf list covers 246+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Open PDF Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
2PDF Reader & PDF EditorPDF Reader & PDF EditorFree4.7★ (730)YesYesSep 2026
3PDF Expert: Editor & ReaderPDF Expert: Editor & ReaderFree4.7★ (216K)NoYesSep 2026
4PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesYesSep 2026
5NestDocs: PDF Editor&ConverterNestDocs: PDF Editor&ConverterFree—YesNoAug 2026
6FreePDF: PDF Converter & ScanFreePDF: PDF Converter & ScanFree—YesYesJun 2026
7PDF Reader - Edit & View PDFPDF Reader - Edit & View PDFFree—NoNoMay 2026
8Pdf escape ™Pdf escape ™Free—YesYesAug 2026

Top Picks for Open PDF

Acrobat Reader: PDF Editor#1

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Editor's Choice
💼 Business
4.6😞(651K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
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 is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

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 Reader & PDF Editor#2

PDF Reader & PDF Editor by ABISHKKING LIMITED.

Read, Edit, Sign PDF Files
Strong Contender
💼 Business
4.7😐(730 ratings)
FreeAdsIn-App Purchases
PDF Reader & PDF Editor screenshot 1
PDF Reader & PDF Editor screenshot 2
PDF Reader & PDF Editor screenshot 3
PDF Reader & PDF Editor screenshot 4
PDF Reader & PDF Editor screenshot 5
PDF Reader & PDF Editor screenshot 6

This app is a comprehensive tool for managing PDF documents. It allows users to quickly view, annotate, edit, and organize PDFs, as well as convert images to PDF. Advanced features like merging, splitting, and password protection are also available.

What We Love

  • 🚀 Quick PDF editing and responsiveness
  • 👍 Image to PDF conversion is useful
  • 👍 Handles large files seamlessly
  • 👍 Option to sort and lock PDFs
  • 👍 Merge, split, and manage files effortlessly
  • 👍 Smooth zooming with no lag
  • 👍 Convenient sharing options
  • 👍 Light and gives control over PDFs
  • 👍 Clean interface with powerful features
  • 👍 Great PDF organizer (rename, favorite)
  • 👍 Good for viewing and annotating work docs
  • 👍 Handy for reading and making small edits
  • 👍 Classic PDF reader with modern tools
  • 👍 Merging and splitting PDF files is easy
  • 👍 Updates add promising new features
  • 👍 Straightforward and handy app
  • 👍 Useful for study notes
  • 👍 Excellent and easy to use
  • 👍 Fast and free
  • 👍 Functional and without ads
  • 👍 Good for organizing files
  • 👍 Free PDF splitting
  • 👍 Meets expectations

Room to Improve

  • 👎 Aggressive premium push with popups
  • 👎 Not intuitive outside of basic PDF editing
  • 👎 Charges are costly compared to free apps
  • 👎 Free trial is misleading, charged immediately
  • 👎 Billing errors and unexpected charges
  • 👎 No functions in free version
  • 👎 Files not found or opened
  • 👎 App crashes or freezes
  • 👎 Not optimized for iPad
  • 👎 Persistent navigation bar is unsightly
  • 👎 Buggy, gets stuck in loops
  • 👎 Cannot navigate hyperlinks
  • 👎 Does not remember last page
  • 👎 Text cannot be edited or written
  • 👎 Limited editing functions
  • 👎 Only one color and thickness for drawing
  • 👎 Does not open large files like blueprints
  • 👎 Freezes or crashes on document opening
  • 👎 Does not use full iPad screen size
  • 👎 Does not allow text selection for copying
  • 👎 Free features unavailable without payment
PDF Expert: Editor & Reader#3

PDF Expert: Editor & Reader by Readdle Technologies Limited

Create, Edit & Sign Documents
Worth Considering
📊 Productivity
4.7😐(216K ratings)
FreeIn-App Purchases
#67in Productivity
PDF Expert: Editor & Reader screenshot 1
PDF Expert: Editor & Reader screenshot 2
PDF Expert: Editor & Reader screenshot 3
PDF Expert: Editor & Reader screenshot 4
PDF Expert: Editor & Reader screenshot 5
PDF Expert: Editor & Reader screenshot 6

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

What We Love

  • 🚀 Fast and responsive
  • 👍 Intuitive and user-friendly interface
  • 💡 Powerful annotation and editing tools
  • 🔒 Seamless cloud integration
  • 📚 Excellent for reading and organizing PDFs

Room to Improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Subscription model for advanced features
  • 🔒 Inconsistent pricing and feature changes
  • 🔍 Cluttered and confusing UI in latest update
  • 🔍 Reduced customization options for annotations

More Open PDF apps to explore

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FAQ about Open PDF

What are the best open pdf apps for iPhone?
Acrobat Reader: PDF Editor tops our open pdf apps ranking as of September 2026, with a 4.6-star average from 651K App Store ratings, and it's free to download.
Yes — 20 of the top open pdf apps we rank are free to download, including Acrobat Reader: PDF Editor and PDF Reader & PDF Editor.
Acrobat Reader: PDF Editor has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ open pdf apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
You can view, edit, annotate, and sign PDF documents. The app also allows you to convert files to and from PDF, compress PDFs, and use AI features for summarization and document interaction. You can also collaborate on files and store them online.
Paid features include the Adobe Acrobat AI Assistant for summarizing and querying documents, advanced PDF editing for text and images, merging and organizing PDFs, and higher-quality voice options for reading PDFs aloud. These features are accessible through a subscription.

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