Best Modifier PDF Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated November 2026

Finding the right modifier pdf apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Modifier PDF Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Editor ®PDF Editor ®Free4.5★ (30K)NoYesNov 2026
2PDF Gear - PDF Editor & ReaderPDF Gear - PDF Editor & ReaderFree4.7★ (9.1K)NoNoNov 2026
3Forma: PDF Document EditorForma: PDF Document EditorFree4.7★ (26K)YesYesNov 2026
4Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (670K)NoYesNov 2026
5iLovePDF - PDF Editor & ScaniLovePDF - PDF Editor & ScanFree4.8★ (53K)NoYesNov 2026
6PDF Converter - PDF Editor・PDF Converter - PDF Editor・Free4.4★ (6K)NoYesNov 2026
7PDF Page ManagerPDF Page ManagerFree—NoNoNov 2026
8PDF Pro: AI SummaryPDF Pro: AI SummaryFree—NoYesNov 2026

Top Picks for Modifier PDF

PDF Editor ®#1

PDF Editor ® by SMM service, s.r.o.

Edit, Reader Converter Maker 7
Editor's Choice
💼 Business
4.5😞(30K ratings)
FreeIn-App Purchases
#42in Business
PDF Editor ® screenshot 1
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PDF Editor ® screenshot 5
PDF Editor ® screenshot 6

Edit, sign, and convert documents on your iPhone or iPad. Scan paper documents into PDFs, annotate text, and fill out forms. All your files are stored locally on your device for privacy.

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
PDF Gear - PDF Editor & Reader#2

PDF Gear - PDF Editor & Reader by PDF GEAR TECH PTE. LTD.

PDF Converter, Sign Documents
Strong Contender
💼 Business
4.7😊(9.1K ratings)
Free
PDF Gear - PDF Editor & Reader screenshot 1
PDF Gear - PDF Editor & Reader screenshot 2
PDF Gear - PDF Editor & Reader screenshot 3
PDF Gear - PDF Editor & Reader screenshot 4
PDF Gear - PDF Editor & Reader screenshot 5
PDF Gear - PDF Editor & Reader screenshot 6

This app offers a comprehensive suite of tools for managing PDF documents on mobile devices. Users can easily view, annotate, edit pages, fill out forms, and digitally sign documents. It provides a free and unlimited experience for all its powerful PDF manipulation features.

What We Love

  • 🚀 Simplicity and reliability
  • 👍 Straightforward and easy to learn
  • 👍 Intuitive and user-friendly interface
  • 👍 Excellent PDF handling capabilities
  • 🚀 Efficient and fast processing
  • 👍 Comprehensive set of features
  • 👍 Useful for students and professionals
  • 👍 Excellent alternative to Adobe Acrobat
  • 👍 Generous free offering with no ads

Room to Improve

  • 🐛 Occasional crashes or corrupted files
  • 🐛 Limited functionality on iOS devices
  • 🐛 Unreliable auto-save and undo/redo features
  • 🐛 Inability to edit password-protected PDFs
  • 🐛 Annoying popups and requests for reviews
Forma: PDF Document Editor#3

Forma: PDF Document Editor by BPMobile

Form filler: edit files & docs
Worth Considering
📊 Productivity
4.7😞(26K ratings)
FreeAdsIn-App Purchases
Forma: PDF Document Editor screenshot 1
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Forma: PDF Document Editor screenshot 6

This AI-powered app allows you to edit, fill, and sign PDF documents directly from your phone. It includes a built-in scanner, OCR capabilities, and AI assistance for summarizing, rewriting, and generating content. Convert files between various formats and create invoices or resumes on the go.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 💡 Useful features like autofill and cloud sync
  • 🚀 Seamless document management

Room to Improve

  • 🐛 Crashes and glitches
  • 💰 Expensive subscription
  • 🔒 Difficult to cancel subscription
  • 🚫 Limited editing capabilities

More Modifier PDF apps to explore

FAQ about Modifier PDF

What are the best modifier pdf apps for iPhone?
PDF Editor ® tops our modifier pdf apps ranking as of November 2026, with a 4.5-star average from 30K App Store ratings, and it's free to download.
Yes — 20 of the top modifier pdf apps we rank are free to download, including PDF Editor ® and PDF Gear - PDF Editor & Reader.
PDF Editor ® has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ modifier pdf apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.