Best Nitro PDF Apps

246+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated September 2026

Looking for free nitro pdf apps? 19 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Nitro PDF Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nitro PDF Pro: Read & EditNitro PDF Pro: Read & EditFree3.9★ (161)NoYesOct 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (654K)NoYesOct 2026
3PDF Editor ®PDF Editor ®Free4.5★ (28K)NoYesOct 2026
4PDF Converter&Editor - PDF ZenPDF Converter&Editor - PDF ZenFree4.7★ (109)YesNoSep 2026
5ScanGuru: PDF Scanner AppScanGuru: PDF Scanner AppFree4.6★ (93K)YesYesOct 2026
6PDF Converter - Reader for PDFPDF Converter - Reader for PDFFree4.5★ (18K)YesYesOct 2026
7Ezy PDFEzy PDFFree4.5★ (2.7K)YesYesOct 2026
8Lumin: View, Edit, Share PDFLumin: View, Edit, Share PDFFree4.5★ (912)YesNoOct 2026

Top Picks for Nitro PDF

3.9😞(161 ratings)
FreeIn-App Purchases
Nitro PDF Pro: Read & Edit screenshot 1
Nitro PDF Pro: Read & Edit screenshot 2
Nitro PDF Pro: Read & Edit screenshot 3
Nitro PDF Pro: Read & Edit screenshot 4
Nitro PDF Pro: Read & Edit screenshot 5
Nitro PDF Pro: Read & Edit screenshot 6

Edit, read, sign, and secure PDF documents on your iOS device. This powerful yet lightweight app allows for on-the-go productivity with features like text editing, annotation, form filling, and cloud syncing.

What We Love

  • 👍 Helpful for managing project documents
  • 👍 Convenient for PDF modifications
  • 👍 Superior PDF handling on Mac
  • 👍 Satisfactory in both Mac and Windows environments

Room to Improve

  • 👎 Pro features not available on iOS/iPadOS
  • 👎 Yearly charges for basic features
  • 👎 Expensive and useless
  • 👎 Fails to deliver promised features
  • 👎 Impossible to reorder PDF files
  • 👎 No direct support contact for iOS
  • 👎 Crashes repeatedly on iPhone
  • 🐛 Does not save markups or documents
  • 🐛 Difficulty creating new folders
  • 👎 GARBAGE, editor works better on iPhone
  • 👎 Cannot rotate pages
  • 👎 iPad V14 worse than previous versions
  • 👎 Cannot markup/draw on PDFs with editing disabled
  • 👎 No phone or live chat support
  • 👎 Does not save documents after editing
  • 👎 Cannot rotate PDFs
  • 👎 Help pages not applicable to iPad
  • 👎 Trial subscription not worth it without editing
  • 👎 Won't start without full purchase
  • 👎 Features advertised are missing
  • 👎 Not working in iOS 17 pre-release
  • 👎 Cannot edit PDF files
  • 👎 Wastage of money
  • 👎 Major let down, don't waste money
  • 👎 Cannot create table of contents
  • 👎 Cannot create fillable forms
  • 👎 No support for this app
  • 👎 User guide requires internet connection
  • 👎 Program freezes up
  • 👎 Fails to save after deleting pages
  • 👎 Cumbersome and not intuitive interface
  • 👎 Lacks OCR capability on iPad
  • 👎 Cannot delete text and add text
  • 👎 Total waste of money
  • 👎 Not able to edit any PDF documents
  • 🐛 App crashes after update
  • 🐛 Editing is lost prior to crash
  • 👎 Not free, requires purchase
  • 👎 Download is free but app is not
  • 👎 Not worth it, signatures don't work
  • 👎 No upgrades from old PDFPen version
  • 👎 Nowhere near Mac app functionality
  • 👎 Disappointing iPad version
  • 👎 No support under new ownership
  • 👎 Lacks user manual for iPad app
  • 👎 OCR and conversion functions unclear
  • 👎 Cannot edit PDF files like PC version
  • 👎 Crashes during every session
  • 👎 Annotations not saved
  • 👎 No choice but to write review
  • 👎 Not seamless between desktop and app
  • 👎 Cannot add text boxes or selection boxes
  • 👎 Only basic filler app functionality
  • 👎 No way to contact support
  • 👎 Not all functionality available
  • 👎 Cannot rearrange or rotate pages
  • 👎 Cannot add to library
  • 👎 Functions are greyed out
  • 👎 No product support for iOS app
  • 👎 User guides hard to locate
  • 👎 Not worth the money
  • 👎 No Apple Pencil support
  • 👎 No serial numbers for iOS support
  • 👎 Stylus link gives 404 error
  • 👎 Incredible boondoggle
  • 👎 Terrible app, nearly worthless
  • 👎 Cannot paste pop-up notes
  • 🐛 Crashes every time to edit a PDF
  • 🐛 Cannot handle deleting pages
  • 👎 Waste of $10
  • 👎 No Apple Pencil in stylus list
  • 👎 Cannot fill PDF made from Nitro Pro desktop
  • 👎 Big disappointment
  • 👎 Advert is fake
  • 👎 Pathetic, feature-minimal
  • 👎 Feels like a weekend project
  • 👎 Apple Pencil support shown off does not exist
  • 👎 Integration with cloud storage offloaded to Files app
  • 👎 Lacks competitor features
  • 👎 Bugs like suddenly not being able to draw
  • 👎 Looks like a scam
  • 🐛 Crashing all the time
  • 🐛 Crashes when opening fillable PDFs
  • 🐛 Crashes when typing in fields
Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Strong Contender
💼 Business
4.6😞(654K 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 ®#3

PDF Editor ® by SMM service, s.r.o.

Edit, Reader Converter Maker 7
Worth Considering
💼 Business
4.5😞(28K ratings)
FreeIn-App Purchases
#42in Business
PDF Editor ® screenshot 1
PDF Editor ® screenshot 2
PDF Editor ® screenshot 3
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

More Nitro PDF apps to explore

FAQ about Nitro PDF

What are the best nitro pdf apps for iPhone?
Nitro PDF Pro: Read & Edit tops our nitro pdf apps ranking as of September 2026, with a 3.9-star average from 161 App Store ratings, and it's free to download.
Yes — 19 of the top nitro pdf apps we rank are free to download, including Nitro PDF Pro: Read & Edit and Acrobat Reader: PDF Editor.
Nitro PDF Pro: Read & Edit has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 246+ nitro pdf apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches