Comparison

PDF Expert vs PDF Document Editor, Read Book

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Expert

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.

Highlights
  • Edit PDF text and images
  • Annotate and highlight PDFs
  • Fill out PDF forms
  • Convert files to and from PDF
  • AI-powered summarization and analysis
  • Merge and combine PDF files
  • Sign documents with e-signatures
Features
Read full description

PDF Expert is a fast and easy PDF app to read, annotate, fill and sign PDF forms, convert files to PDF, and merge, split or compress documents – all in one intuitive app for iPhone, iPad, Mac & Vision Pro. Read PDF files with comfort, highlight and mark up text, fill out forms, sign contracts, create and convert PDFs, and summarize long documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium and work across all your Apple devices. "PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader." – MacStories "The best app for managing, editing, and reading PDFs on your iPad." – The Sweet Setup ▶ WITH PDF EXPERT, YOU CAN: READ PDFs - PDF reader with Day, Night, and Sepia modes for comfortable reading anytime - Scroll PDFs vertically or horizontally and search text in any document - Open and view PDF files from email, web, Files, or any app via the Share menu - Read PDFs out loud with Text to Speech ANNOTATE AND MARK UP PDFs - Highlight, underline, and strike through text in your PDFs - Mark up documents with pen, shapes, text, notes, and comments - Add stamps such as Approved or Confidential - Record your voice and add audio notes to PDFs FILL AND SIGN PDF FORMS - Fill out PDF forms with text fields, checkboxes, and radio buttons - Sign PDF documents in seconds – draw your signature or add it from an image - Save your signature to sign contracts, agreements, invoices, and applications faster - Fill, sign, and send forms right from your iPhone – no printing or scanning needed - Supports all major form formats, including AcroForms and static XFA forms ***PREMIUM FEATURES*** EDIT PDFs - Edit text directly in a PDF – just as you would in a Word document - Add, replace, and resize images in your PDFs - Add links to other pages or websites - Add outlines to navigate large PDFs CREATE AND CONVERT PDFs - Create PDFs from Word files, images, and other documents - Convert Word to PDF, JPG to PDF, and PNG to PDF in seconds - Convert PDF to Word, Excel, PowerPoint, JPG, PNG, and TXT MERGE, SPLIT AND ORGANIZE PDFs - Merge and combine multiple PDF files into one - Split PDFs and extract pages into a new file - Add, delete, rotate, and reorder pages with thumbnail preview COMPRESS PDFs - Compress PDFs to reduce file size for email and sharing - Shrink large PDF files to save space on your device SUMMARIZE PDFs WITH AI – PDF COPILOT - List Main Points – get key takeaways from any PDF - Summarize – get concise summaries of entire PDFs or annotations - Ask Anything – find details with AI answers and references - Explain – get instant explanations of words or phrases PROTECT YOUR FILES - Password-protect PDF Expert - Redact – permanently black out sensitive information WORK WITH SCANNED DOCUMENTS - Open scanned PDFs to fill out, sign, annotate, and share CONSTRUCTION TOOLS - Scale and measure drawings with the Measure tab - Polygon, polyline, and redline tools MORE FEATURES - Customizable toolbar - Presentation Mode - Print and share PDFs via email or cloud ONE ACCOUNT FOR ALL YOUR APPLE DEVICES One Premium subscription covers PDF Expert on iPhone, iPad, and Mac – no need to buy versions separately. Read more about our terms and conditions here: https://pdfexpert.com/privacy https://pdfexpert.com/terms Don’t hesitate to reach out to us at http://readdle.com/contact

About

PDF Document Editor, Read Book

Features
Read full description

The ultimate PDF Editor and PDF Reader: + Add text, images, signatures to PDF easily. + Read PDF Books and annotate them. + Highlight, underline and strikethrough text. + Draw on PDF pages. + Get all text from your PDF with OCR PDF feature. + Manage your pages. + Converter to and from PDF. + Export and Share your edited files. Edit PDFs with Photos. Add photos and images to the pdf. + Import files, tables, slides and docs from iCloud. + Import photos from Photo Library. PDF Signature: + Sign documents professionally. + Create and save your e-signature to use it in a few taps. + Sign documents and fill forms in a few taps. PDF Scanner: + Scan documents or books to PDF. + OCR PDF. PDF Management, Manage pages in PDFs: + Merge PDF. + Combine PDF. + Split PDF. + Add, rotate, extract, reorder and delete pages in PDF files. PDF Converter: + Choose the format to which you want to convert the file. + Convert or open Word, Excel PowerPoint, TIFF, JPEG, PNG files to PDF. + Image to PDF. Document Protection: All documents are stored locally on your device, they are not available to us, nor to third parties. Subscription pricing and terms: Premium subscriptions are available to get full access in the app with flexible plans with a 3 days trial period. This app includes an auto-renewable subscription (Premium Subscription): Premium Subscription provides all features. And you get full access to the app. Payment will be charged to your Apple account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Current subscription may not be cancelled during the active subscription period. You can manage your subscription and/or turn off auto-renewal by visiting your Apple Account Settings after purchase. Also you can tap the "Manage Subscription" menu option in the App Settings. Any unused portion of the free initial period will be forfeited when you purchase a subscription. Manage Subscription: https://docs.google.com/document/d/1lnzcOaOt8fnvQvkCknEccAkbdRIPG993Ha-B6gVZDdQ/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1ZpQXpsDtzX6j0Y5vE3_qF8FMf7OVUMl-UAdmxqzl6A4/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1LYQ3HA4uiyBMDVA6s_Ms9Z4NqoRoFESt6U4ZDRmr1jk/edit?usp=sharing

Screenshots

PDF Expert4 screens
PDF Document Editor, Read Book4 screens

Verdict

The call

The clearest difference is chart position: PDF Expert at #83 against PDF Document Editor, Read Book's unranked. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Expert sells 10 in-app purchases, starting at $9.99 per month and PDF Document Editor, Read Book sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Expert ships an update fortnightly, PDF Document Editor, Read Book every 9 days. The most recent releases landed on September 28, 2026 and December 13, 2025 respectively.

Scorecard1 real difference · 10 level
PDF Expert versus PDF Document Editor, Read Book: the parameters behind the verdict, then further details
ParameterPDF ExpertPDF Document Editor, Read Book
PriceFreeFree
Rating4.7 (216K ratings) — better—
Positive reviews45.8% of reviews—
Number of ratings216K — better—
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#83 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details — not scored
Size307 MB33 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedOleksandr Bilyk

Bugs and requests

PDF Expert

Reported bugs

4 issues
  • Corrupted PDFs after editing
  • Sync issues with cloud storage providers
  • Unexpected loss of annotations and edits
  • Unreliable performance on older iPad models

Requested features

5 requests
  • Improved palm rejection for Apple Pencil
  • Customizable toolbar and annotation presets
  • Better integration with other productivity apps
  • More flexible file management and organization
  • Ability to create fillable PDF forms

PDF Document Editor, Read Book

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

PDF Expert

Subscriptions9
  • PDF Expert Premium Trial7 Days trial$9.991 Month
  • PDF Expert Premium No Trial$9.991 Month
  • PDF Expert for Education7 Days trial$39.991 Year
Show 6 more
  • PDF Expert Premium7 Days trial3 variants$49.991 Year
  • PDF Expert Premium New7 Days trial$49.991 Year
  • PDF Expert Premium Existing7 Days trial$49.991 Year
  • PDF Expert – Premium Editing1 Year trial$49.991 Year
  • PDF Expert Mac & iOS Pro7 Days trial$79.991 Year
  • PDF Expert Mac & iOS7 Days trial$79.991 Year
One-time1
  • PDF Expert Basic$9.99
6 purchases

PDF Document Editor, Read Book

Subscriptions6
  • PDF Editor: PDF Reader, Sign3 Days trial$1.997 Days
  • PDF Editor: PDF Reader, Sign3 Days trial$2.997 Days
  • PDF Editor: PDF Reader, Sign3 Days trial$5.991 Month
Show 3 more
  • PDF Editor: PDF Reader, Sign3 Days trial$6.991 Month
  • PDF Editor: PDF Reader, Sign3 Days trial$24.991 Year
  • PDF Editor: PDF Reader, Sign3 Days trial$34.991 Year

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is PDF Document Editor, Read Book free?
PDF Document Editor, Read Book is free to download, with in-app purchases available.
Do PDF Expert or PDF Document Editor, Read Book have ads?
Neither PDF Expert nor PDF Document Editor, Read Book shows ads.
Which is updated more often, PDF Expert or PDF Document Editor, Read Book?
PDF Expert ships an update fortnightly, and PDF Document Editor, Read Book every 9 days. Most recently, PDF Expert was updated on September 28, 2026 and PDF Document Editor, Read Book on December 13, 2025.

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