Best PDF Expert Viewer Apps

240+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Looking for free pdf expert viewer apps? 20 of our 240+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top PDF Expert Viewer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Expert ViewerPDF Expert ViewerFreeβ€”YesNoSep 2026
2PDF Viewer by NutrientPDF Viewer by NutrientFree4.6β˜… (9.1K)NoYesNov 2026
3PDF Viewer - All PDF ReaderPDF Viewer - All PDF ReaderFreeβ€”NoYesMay 2026
4PDFelement: PDF Editor, ViewerPDFelement: PDF Editor, ViewerFree4.6β˜… (7.6K)YesYesNov 2026
5PDF Converter: Sign & EditPDF Converter: Sign & EditFreeβ€”NoYesOct 2026
6PDF Reader - ViewerPDF Reader - ViewerFree4.6β˜… (79)YesNoOct 2026
7PDF Converter - Reader for PDFPDF Converter - Reader for PDFFree4.5β˜… (18K)YesYesNov 2026
8PDF: Viewer - EditorPDF: Viewer - EditorFreeβ€”NoYesSep 2026

Top Picks for PDF Expert Viewer

PDF Viewer by Nutrient#2

PDF Viewer by Nutrient by PSPDFKit GmbH

Fill Forms, Sign, Edit, Redact
Strong Contender
πŸ“Š Productivity
4.6😊(9.1K ratings)
FreeIn-App Purchases
PDF Viewer by Nutrient screenshot 1
PDF Viewer by Nutrient screenshot 2
PDF Viewer by Nutrient screenshot 3
PDF Viewer by Nutrient screenshot 4
PDF Viewer by Nutrient screenshot 5
PDF Viewer by Nutrient screenshot 6

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.

What We Love

  • πŸš€ Seamless integration with iCloud and Files app
  • πŸ‘ Intuitive annotation tools with Apple Pencil
  • 🎨 Versatile highlighting and drawing options
  • πŸ’Ύ Saves annotations to original PDF files
  • πŸ” Powerful search and navigation features
  • πŸ†“ Excellent free version with no ads

Room to Improve

  • πŸ› Occasional crashes and performance issues
  • πŸ€” Confusing UI and steep learning curve
  • πŸ”€ Difficulty managing and organizing PDF files
  • πŸ” Inconsistent text selection and highlighting
  • πŸ”’ Privacy concerns around data collection

More PDF Expert Viewer apps to explore

FAQ about PDF Expert Viewer

Are there free pdf expert viewer apps for iPhone?
Yes β€” 20 of the top pdf expert viewer apps we rank are free to download, including PDF Expert Viewer and PDF Viewer by Nutrient.
PDF Expert Viewer shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 240+ pdf expert viewer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.