Best PDF Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Looking for free pdf apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top PDF Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
2PDF Editor ®PDF Editor ®Free4.5★ (28K)NoYesSep 2026
3CamScanner - PDF Scanner AppCamScanner - PDF Scanner AppFree4.8★ (1.9M)YesYesSep 2026
4PDF Reader & PDF EditorPDF Reader & PDF EditorFree4.7★ (730)YesYesSep 2026
5PDF Expert: Editor & ReaderPDF Expert: Editor & ReaderFree4.7★ (216K)NoYesSep 2026
6PDF Converter - Word to PDFPDF Converter - Word to PDFFree4.7★ (33K)NoYesSep 2026
7Adobe Scan: PDF & OCR ScannerAdobe Scan: PDF & OCR ScannerFree4.9★ (1.6M)YesYesSep 2026
8PDF Converter - PDF Editor・PDF Converter - PDF Editor・Free4.4★ (5.9K)NoYesSep 2026

Top Picks for 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 Editor ®#2

PDF Editor ® by SMM service, s.r.o.

Edit, Reader Converter Maker 7
Strong Contender
💼 Business
4.5😞(28K ratings)
FreeIn-App Purchases
#41in Business
PDF Editor ® screenshot 1
PDF Editor ® screenshot 2
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PDF Editor ® screenshot 4
PDF Editor ® screenshot 5
PDF Editor ® screenshot 6

Edit, sign, and convert PDF documents directly from your mobile device. Scan physical papers into editable PDFs, annotate text, and fill out forms on the go. All your documents are stored locally for privacy and can be easily shared.

What We Love

  • 👍 User-friendly
  • 💡 Useful for editing PDFs on the go
  • 🚀 Easy to navigate

Room to Improve

  • 🐛 Frequent crashes and glitches
  • 💰 Expensive subscription model
  • 🔒 Concerns about data privacy
  • 🔍 Limited functionality in free version
CamScanner - PDF Scanner App#3

CamScanner - PDF Scanner App by INTSIG Information Co., Ltd

Document Scanner PDF Converter
Worth Considering
📊 Productivity
4.8😐(1.9M ratings)
FreeAdsIn-App Purchases
#8in Productivity
CamScanner - PDF Scanner App screenshot 1
CamScanner - PDF Scanner App screenshot 2
CamScanner - PDF Scanner App screenshot 3
CamScanner - PDF Scanner App screenshot 4
CamScanner - PDF Scanner App screenshot 5
CamScanner - PDF Scanner App screenshot 6

Transform your mobile device into a powerful portable scanner. Instantly scan, edit, and share documents in various formats like PDF, JPG, Word, and TXT. Features include OCR, e-signatures, and secure file management.

What We Love

  • 🚀 Efficient scanning and document management
  • 📁 Convenient cloud storage and backup
  • 🔍 Powerful OCR and document enhancement features
  • 🔧 Customizable scanning and editing options
  • 🏫 Useful for school and work applications
  • 💼 Great for receipts, contracts, and other business documents

Room to Improve

  • 🔒 Concerns about data privacy and security
  • 🤖 Inconsistent OCR and text recognition accuracy
  • 💰 Aggressive upselling and subscription model
  • 🔌 App crashes and performance issues
  • 📤 Difficulties with sharing and exporting files
  • 🙈 Intrusive ads and limited free version

More PDF apps to explore

FAQ about PDF

What are the best pdf apps for iPhone?
Acrobat Reader: PDF Editor tops our 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 pdf apps we rank are free to download, including Acrobat Reader: PDF Editor and 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 248+ 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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