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Best Format PDF Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

Finding the right format 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 Format PDF Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Forma: PDF Document EditorForma: PDF Document EditorFree4.7★ (26K)YesYesSep 2026
2PDF Converter - PDF Editor・PDF Converter - PDF Editor・Free4.4★ (5.9K)NoYesSep 2026
3Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
4Photos PDF : Scanner ConverterPhotos PDF : Scanner ConverterFree4.9★ (68K)NoYesSep 2026
5CamScanner - PDF Scanner AppCamScanner - PDF Scanner AppFree4.8★ (1.9M)YesYesSep 2026
6NestDocs: PDF Editor&ConverterNestDocs: PDF Editor&ConverterFree—YesNoAug 2026
7FreePDF: PDF Converter & ScanFreePDF: PDF Converter & ScanFree—YesYesJun 2026
8PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesYesSep 2026

Top Picks for Format PDF

Forma: PDF Document Editor#1

Forma: PDF Document Editor by BPMobile

Form filler: edit files & docs
Editor's Choice
📊 Productivity
4.7😞(26K ratings)
FreeAdsIn-App Purchases
#99in Productivity
Forma: PDF Document Editor screenshot 1
Forma: PDF Document Editor screenshot 2
Forma: PDF Document Editor screenshot 3
Forma: PDF Document Editor screenshot 4
Forma: PDF Document Editor screenshot 5
Forma: PDF Document Editor screenshot 6

This AI-powered app allows users to edit, fill, sign, scan, and convert PDF documents. It offers features like text editing, form filling, e-signatures, OCR scanning, and file conversion. An AI assistant can summarize, rewrite, or generate content, and users can create invoices and resumes.

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
PDF Converter - PDF Editor・#2

PDF Converter - PDF Editor・ by Techgear Inc

Scan, Convert to PDF Photo
Strong Contender
💼 Business
4.4😐(5.9K ratings)
FreeIn-App Purchases
PDF Converter - PDF Editor・ screenshot 1
PDF Converter - PDF Editor・ screenshot 2
PDF Converter - PDF Editor・ screenshot 3
PDF Converter - PDF Editor・ screenshot 4
PDF Converter - PDF Editor・ screenshot 5
PDF Converter - PDF Editor・ screenshot 6

This app offers a comprehensive suite of tools for managing, editing, and converting PDF files. It allows users to merge, split, compress, and annotate documents, as well as fill forms and add digital signatures. Convert various file types to PDF and vice versa with ease.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 📤 Convenient file sharing
  • 🔒 Secure document handling
  • 💡 Helpful features

Room to Improve

  • 🔐 Paywall for full functionality
  • 🐛 Occasional bugs and crashes
  • 💸 Expensive subscription
  • 🔍 Confusing navigation
  • 📤 Issues with file exports
Acrobat Reader: PDF Editor#3

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Worth Considering
💼 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

More Format PDF apps to explore

FAQ about Format PDF

What are the best format pdf apps for iPhone?
Forma: PDF Document Editor tops our format pdf apps ranking as of September 2026, with a 4.7-star average from 26K App Store ratings, and it's free to download.
Yes — 20 of the top format pdf apps we rank are free to download, including Forma: PDF Document Editor and PDF Converter - PDF Editor・.
Forma: PDF Document Editor shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ format pdf apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Forma is an AI-powered PDF editor that allows you to fill out forms, e-sign documents, scan paper documents into editable PDFs using OCR, and convert files between PDF and other formats like Word, Excel, and JPG. It also includes an AI assistant to help summarize, rewrite, or generate content, and tools for creating invoices and resumes.
The AI assistant within Forma can help you save time and effort by summarizing lengthy contracts, rewriting text for clarity, generating content from templates, and even assisting with grammar and logic checks. It's designed to streamline your document workflow.