Best PDF Expert Apps

238+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Looking for free pdf expert apps? 20 of our 238+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top PDF Expert Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Expert: Editor & ConverterPDF Expert: Editor & ConverterFree4.7★ (215K)YesYesJul 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (632K)YesYesJul 2026
3PDF Converter: Creator, EditorPDF Converter: Creator, EditorFree4.5★ (383)NoYesJul 2026
4PDFelement: PDF Editor, ViewerPDFelement: PDF Editor, ViewerFree4.6★ (7.5K)YesYesJul 2026
5PDF Editor-Converter & ViewerPDF Editor-Converter & ViewerFree4.6★ (425)NoYesJul 2026
6PDF Converter: PDF CompressorPDF Converter: PDF CompressorFree5.0★ (1)YesYesJul 2026
7PDF Scanner: Editor & ReaderPDF Scanner: Editor & ReaderFree4.4★ (239)NoYesJul 2026
8MobiPDF・PDF Text Editor・ReaderMobiPDF・PDF Text Editor・ReaderFree4.8★ (6.9K)YesYesJul 2026

Top Picks for PDF Expert

PDF Expert: Editor & Converter#1

PDF Expert: Editor & Converter by Readdle Technologies Limited

Edit, Sign, Convert Documents
Editor's Choice
📊 Productivity
4.7😐(215K ratings)
FreeAdsIn-App Purchases
#61in Productivity
PDF Expert: Editor & Converter screenshot 1
PDF Expert: Editor & Converter screenshot 2
PDF Expert: Editor & Converter screenshot 3
PDF Expert: Editor & Converter screenshot 4
PDF Expert: Editor & Converter screenshot 5
PDF Expert: Editor & Converter screenshot 6

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

What We Love

  • 🚀 Fast and responsive
  • 👍 Intuitive and user-friendly interface
  • 💡 Powerful annotation and editing tools
  • 🔒 Seamless cloud integration

Room to Improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Subscription model for advanced features
  • 🔒 Inconsistent pricing and feature changes
Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Strong Contender
💼 Business
4.7😞(632K ratings)
FreeAdsIn-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

More PDF Expert apps to explore

4
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Edit,read,sign,annotate pdf
Free

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

AI Chat with PDFScan and OCRPDF to Office Conversion
📊 Productivity
(7.5K)
free with in-app purchases
5
PDF Editor-Converter & Viewer
PDF Editor-Converter & Viewer
PDF Editor-Converter & Viewer
Scan Documents: Reader & Maker
Free

Easily create, edit, and manage PDF files. Convert images to PDFs, merge or split documents, add annotations, and secure your files with passwords. Cloud support allows for convenient access and sharing anywhere.

Create PDFs from images/textEdit and annotate PDFsMerge, split, and organize files
🔧 Utilities
(425)
freemium
6
PDF Converter: PDF Compressor
PDF Converter: PDF Compressor
PDF Converter: PDF Compressor
Sign PDF Doc Document to Photo
Free

This app transforms your device into a digital document hub, converting various file types to high-quality PDFs. It offers comprehensive organization, editing, and security features, simplifying document handling for all users.

Convert photos and documents to PDFEdit PDFs with annotations and textMerge, split, and compress PDFs
🔧 Utilities
(1)
free with in-app purchases
7
PDF Scanner: Editor & Reader
PDF Scanner: Editor & Reader
PDF Scanner: Editor & Reader
File Converter & Scan: Photos
Free

Easily convert various file types, including documents, images, and spreadsheets, into high-quality PDFs. This app allows you to combine multiple files, organize pages, and share your creations directly from your mobile device.

Convert files to PDFImport from various sourcesCombine multiple files
🔧 Utilities
(239)
free with in-app purchases
8
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
Edit, Convert Documents・Expert
Free

Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.

Scan documents to editable PDFsRecognize text with OCREdit text, images, and signatures
📊 Productivity
(6.9K)
free with in-app purchases
9
PDF Export: Scan, Merge & Sign
PDF Export: Scan, Merge & Sign
PDF Export: Scan, Merge & Sign
Tools, Merge & Compress PDFs
Free

This app provides comprehensive tools for creating, editing, converting, and organizing PDF files on your mobile device. It offers features like scanning documents, merging files, adding watermarks, and even transcribing audio to text, all without requiring an internet connection.

Convert Word, Excel, JPG to PDFConvert PDF to Word, Excel, PPTEdit PDF text and images
💼 Business
(1.7K)
free with in-app purchases
10
PDF Editor. Files Converter.
PDF Editor. Files Converter.
PDF Editor. Files Converter.
Convert & Compress Documents
Free

Edit, convert, and organize your documents with a versatile PDF tool. Transform paper, images, and scans into digital files, extract text, and convert between formats like PDF to Word. Ideal for professionals, students, and daily use.

Edit, save, and share documentsConvert images and scans to PDFOCR text recognition
💼 Business
(102)
subscription
11
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
Edit, annotate, view documents
Free

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

Edit and annotate PDFsHighlight text and add notesEmbed audio and photo annotations
📊 Productivity
(6.8K)
subscription
12
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
iLovePDF - PDF Editor & Scan
For Work, Study & E-Signing
Free

Edit, convert, annotate, and sign PDF documents on the go. This app offers tools to scan, merge, split, compress, and protect your files, enhancing productivity for work and study.

Scan documents to PDFConvert JPG/Office to PDFEdit and annotate PDFs
📊 Productivity
(50K)
freemium
13
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
PDF Converter - PDF Editor・
Scan, Convert to PDF Photo
Free

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.

Merge, split, compress, rotate, unlock, watermark PDFsEdit PDFs with text, shapes, comments, highlightsAnnotate documents with drawing, text boxes, sticky notes
💼 Business
(5.9K)
subscription
14
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
Сканер текста,фото,файлов PDF
Free

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.

Mobile document scanningText recognition (OCR)PDF conversion
📊 Productivity
(1.8M)
free with in-app purchases
15
PDF Reader - Editor & Viewer
PDF Reader - Editor & Viewer
PDF Reader - Editor & Viewer
Editor, Converter, OCR
Free

Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.

Edit PDF text directlyConvert PDF to Word, Excel, PPT, imagesOCR for text extraction from scans
🔧 Utilities
(2.9K)
freemium
16
PDF Hero - PDF Editor & Reader
PDF Hero - PDF Editor & Reader
PDF Hero - PDF Editor & Reader
Create & Edit PDF Documents
Free

Edit, create, and manage PDF documents on your mobile device. Annotate, fill forms, sign, and share files with ease. Offers advanced features like OCR and compression for enhanced document control.

Create PDFs from scratchEdit text and annotate documentsFill and sign PDF forms
💼 Business
(10K)
free with in-app purchases
17
PDF Editor: Files Converter |
PDF Editor: Files Converter |
PDF Editor: Files Converter |
Convert & Compress Documents
Free
🔧 Utilities
(0)
18
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
pdfFiller: edit PDF documents
Scan, fill, sign,make pdf docs
Free

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Edit PDF documentsEsign and fill out formsShare and collaborate on documents
💼 Business
(7.6K)
free with in-app purchases
19
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Reader – PDFelement
PDF Editor & Viewer, PDF Maker
Free

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

Liquid Mode for optimized mobile readingAnnotation tools (pencil, text, highlighting)Handwritten signature insertion
📊 Productivity
(3.9K)
free
20
PDF Editor ®
PDF Editor ®
PDF Editor ®
Edit, Reader Converter Maker 7
Free

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.

Edit PDF filesSign documentsConvert scanned papers to PDF
💼 Business
(28K)
free with in-app purchases

FAQ about PDF Expert

What are the best pdf expert apps for iPhone?
PDF Expert: Editor & Converter tops our pdf expert apps ranking as of May 2026, with a 4.7-star average from 215K App Store ratings, and it's free to download.
Yes — 20 of the top pdf expert apps we rank are free to download, including PDF Expert: Editor & Converter and Acrobat Reader: PDF Editor.
PDF Expert: Editor & Converter shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 238+ pdf expert apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
PDF Expert allows you to read, highlight, and annotate PDFs, fill out forms, convert files to and from PDF format, merge multiple documents, add notes, and sign contracts. It also features AI tools for summarizing and analyzing large PDFs, and editing scanned documents.
Premium features include the ability to edit existing text and images directly within a PDF, add links, create outlines, and utilize the AI-powered PDF Copilot for summarization, main point extraction, and contextual explanations. You can also convert PDFs to various formats like Word, Excel, and JPG.

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