Comparison

PDF Document Editor, Read Book vs PDF Editor

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

Head to head
About

PDF Document Editor, Read Book

Edit, sign, and read PDF documents with ease. Add text, images, and signatures, convert files to and from PDF, and scan physical documents into digital format. Manage pages, merge files, and extract text using OCR technology.

Highlights
  • Add text, images, and signatures to PDFs
  • Read and annotate PDF books
  • Scan documents to PDF with OCR
  • Convert files to and from PDF
  • Merge, split, and reorder PDF pages
  • Professional e-signature creation and use
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

About

PDF Editor

This app is a comprehensive PDF toolkit for viewing, editing, signing, and annotating documents on your mobile device. It allows you to scan paper documents into PDFs, fill out forms, and add digital signatures. Work with your PDFs offline and sync with cloud storage services.

Highlights
  • Edit text, images, and pages
  • Scan documents to PDF
  • Digital e-signatures
  • Fill PDF forms
  • Annotate and highlight
  • Draw and markup
  • Offline functionality
Features
Read full description

PDF4 Editor – All-in-One PDF Editor, Scanner & Form Filler Edit, Sign, Scan & Annotate PDFs — Anytime, Anywhere. PDF4 Editor is your ultimate PDF toolkit designed for productivity on the go. Whether you're working, studying, or managing documents, PDF4 Editor makes it easy to view, edit, sign, and share your PDFs right from your iPhone or iPad. Key Features: PDF Editor Edit text, images, and pages in your PDF with ease. Rearrange, rotate, or delete pages in seconds. PDF Scanner Turn your paper documents into high-quality PDFs using your device camera. Auto-detects edges and enhances clarity. E-Signature Sign documents digitally with your finger or stylus. Request signatures or fill out contracts with ease. Form Fill Easily fill out PDF forms, including interactive fields and checkboxes. Say goodbye to printing! Annotate & Highlight Add comments, highlight text, underline, or strikethrough. Perfect for study notes or document reviews. Draw & Markup Draw freely on PDFs for creative markups, diagrams, or handwritten notes. Stamp Tool Add custom or pre-designed stamps like “Approved”, “Confidential”, and more. Why PDF4 Editor? Fast, lightweight & user-friendly Works offline – no internet required Keeps your files private and secure Compatible with iCloud, Dropbox, Google Drive & more "By using this app, you agree to Apple’s Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Document Editor, Read Book4 screens
PDF Editor4 screens

Verdict

The call

The clearest difference is iOS requirement: PDF Editor at 13.0 against PDF Document Editor, Read Book's 16.0. On price, rating, ratings volume and update cadence 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 Document Editor, Read Book sells 6 in-app purchases, starting at $1.99 per 7 days and PDF Editor sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PDF Document Editor, Read Book against 5.0 for PDF Editor. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

PDF Document Editor, Read Book ships an update every 9 days, PDF Editor weekly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 8 level
PDF Document Editor, Read Book versus PDF Editor: the parameters behind the verdict, then further details
ParameterPDF Document Editor, Read BookPDF Editor
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size33 MB132 MB
Age rating4+4+
DeveloperOleksandr Bilyk Inc.Mobotechnology LLC

In-app purchases

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
3 purchases

PDF Editor

Subscriptions3
  • Less than a cup of coffee$0.997 Days
  • Get Best Offer$2.991 Month
  • Get more for your money$19.991 Year

Questions

Is PDF Document Editor, Read Book free?
PDF Document Editor, Read Book is free to download, with in-app purchases available.
Is PDF Editor free?
PDF Editor is free to download, with in-app purchases available.
Which has better reviews, PDF Document Editor, Read Book or PDF Editor?
PDF Document Editor, Read Book and PDF Editor are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do PDF Document Editor, Read Book or PDF Editor have ads?
Neither PDF Document Editor, Read Book nor PDF Editor shows ads.
Which is updated more often, PDF Document Editor, Read Book or PDF Editor?
PDF Document Editor, Read Book ships an update every 9 days, and PDF Editor weekly. Most recently, PDF Document Editor, Read Book was updated on October 30, 2026 and PDF Editor on November 4, 2026.

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