Best PDF Expert Apps

231+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Looking for free pdf expert apps? 20 of our 231+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top PDF Expert Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1PDF Expert: Editor & ConverterPDF Expert: Editor & ConverterFree4.7★ (216K)NoYesAug 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (637K)NoYesAug 2026
3PDF Maker: Editor & ConverterPDF Maker: Editor & ConverterFree4.5★ (383)NoYesAug 2026
4PDF Editor & Files Converter.PDF Editor & Files Converter.Free4.6★ (49)NoYesAug 2026
5PDF Editor-Converter & ViewerPDF Editor-Converter & ViewerFree4.6★ (440)NoYesAug 2026
6PDFelement: PDF Editor, ViewerPDFelement: PDF Editor, ViewerFree4.6★ (7.5K)YesYesAug 2026
7PDF Converter: PDF CompressorPDF Converter: PDF CompressorFree4.8★ (138)YesYesJul 2026
8PDF Export: Scan, Merge & SignPDF Export: Scan, Merge & SignFree4.7★ (1.7K)YesYesAug 2026

Top Picks for PDF Expert

PDF Expert: Editor & Converter#1

PDF Expert: Editor & Converter by Readdle Technologies Limited

Edit, Read, Scan・Sign Document
Editor's Choice
📊 Productivity
4.7😐(216K ratings)
FreeIn-App Purchases
#56in 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😞(637K 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

More PDF Expert apps to explore

4
PDF Editor & Files Converter.
PDF Editor & Files Converter.
PDF Editor & Files Converter.
Convert & Compress Documents
Free

Edit, scan, and convert documents directly on your mobile device. Modify text, add signatures, and organize pages without needing desktop software. Supports various file formats for seamless on-the-go document management.

Document scanning with auto-enhancementDirect PDF text editingPage management and organization
💼 Business
(49)
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
(440)
freemium
6
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Convert & Sign PDF, AI-powered
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
7
PDF Converter: PDF Compressor
PDF Converter: PDF Compressor
PDF Converter: PDF Compressor
Photo Convert to Document
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
(138)
free with in-app purchases
8
PDF Export: Scan, Merge & Sign
PDF Export: Scan, Merge & Sign
PDF Export: Scan, Merge & Sign
Split, Convert & Compress PDF
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
9
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
(6.9K)
subscription
10
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
(51K)
freemium
11
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
(243)
free with in-app purchases
12
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
13
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
MobiPDF・PDF Text Editor・Reader
Edit File・Fill, Sign Documents
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
(7.1K)
free with in-app purchases
14
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
15
PDF Photos
PDF Photos
PDF Photos
Picture to PDF Converter
Free

Easily convert your photos into professional-looking PDFs. Customize layouts, add branding elements like headers and footers, and control file size for efficient sharing. Save and share your documents across various cloud services or directly via email and printing.

Convert photos to PDFCustomizable photo layoutsAdd cover pages, headers, and footers
💼 Business
(14K)
free with in-app purchases
16
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
17
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
CamScanner - PDF Scanner App
Document Scanner PDF Converter
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
(1.9M)
free with in-app purchases
18
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
19
PDF Converter ‣ File Editor
PDF Converter ‣ File Editor
PDF Converter ‣ File Editor
Documents Edit • Docscan Share
Free

This app simplifies document management by allowing you to find, create, convert, and edit PDF files. It offers tools to search online for PDFs, convert various formats to PDF, and annotate existing documents. Streamline your workflow for recipes, articles, or exams in one convenient place.

Smart PDF FinderPowerful PDF ConverterBulk PDF Downloader
🔧 Utilities
(39)
free with in-app purchases
20
Converter & Editor: PDF Expert
Converter & Editor: PDF Expert
Converter & Editor: PDF Expert
Сonvert Photos and Documents
Free

Transform PDFs into editable documents like Word and Excel, and create custom stickers for your messages. Effortlessly manage and annotate PDFs while ensuring high-quality conversions and personalized chat experiences.

Smart PDF ConverterEditable format conversionCustom sticker design
💼 Business
(319)
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 July 2026, with a 4.7-star average from 216K 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 has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 231+ pdf expert apps on the iOS App Store as of July 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.

Related searches