Comparison

PDF Reader vs Document Reader

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

Head to head
About

PDF Reader

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.

Highlights
  • Edit PDF text directly
  • Convert PDF to Word, Excel, PPT, images
  • OCR for text extraction from scans
  • Fill and sign PDF forms
  • Secure PDFs with passwords and watermarks
  • Annotate PDFs with highlights and notes
  • Merge and split PDF files
Features
Read full description

KDAN PDF, formerly KDAN PDF Reader, is a mobile PDF editor and reader for iPhone, iPad, and Mac. Edit text directly on your device. Then scan, organize, convert, sign, and share your PDFs in one simple and powerful app. Trusted by millions, KDAN PDF connects your workflow across iPhone, iPad, and Mac, making it easy to review, annotate, and finalize documents anywhere. Who Recommends Us? - Featured as “10 Essentials” in Utility on iTunes - Featured in “10 Best PDF Reader Apps For iPhone & iPad 2019” by FOSSBYTES - Featured as “Best Utility App” in App Store Rewind KEY FEATURES PDF EDITOR • Edit and correct any typos directly on PDFs • Merge multiple files into one PDF • Split a large PDF into several small PDFs • Rotate, delete, add, and rearrange pages • Extract pages or images from PDFs • Change PDF background color PDF CONVERTER • Online & Offline PDF converter • Convert PDF to Word, Excel, PPT & image conversions (docx, xlsx, pptx, jpg, png, gif & bmp). • Save webpages and images as PDFs OCR (Optical Character Recognition) • Recognize and extract text from scans • Export OCR results as text or searchable PDFs • Support 50+ languages SIGN, FORM FILLING, SHARE • Fill out & edit PDF forms • Sign on PDFs • Customize and manage signatures SHARE FILES • Get files from KDAN Cloud, iCloud Drive, Dropbox, OneDrive, Google Drive, Evernote, FTP, or WebDAV client • Compress PDFs • Share flatten PDFs • Send faxes directly from within the app PDF SECURITY • Add passwords to lock PDFs • Remove passwords & restrictions from PDFs • Add & remove PDF watermarks • Validate certificates & signatures in PDF documents VIEW FILES • Supports all mainstream file formats, including Vitrium* PDF format (Like University of Phoenix Ebooks) • Text Reflow & Auto Flow • Present a PDF as a slideshow • View multiple PDFs as tabs • Dark mode supported (only for iOS13 & macOS Mojave and later) • Convert text to spoken audio (text-to-speech) ANNOTATE & REVIEW PDF • Annotate PDFs with highlights, underlines, strikeout text, shapes, sticky notes & text boxes • Add pre-designed stamps, including Approved, Sign Here, Confidential, and more • Add custom stamps with time and date information • Insert hyperlinks to external websites, target pages, and email address • Attach audio notes & insert images to PDFs • Turn handwriting into text with Scribble (Available for iPad) • Add handwritten notes to PDFs MANAGE ANNOTATIONS • Save annotations in XFDF format • Remove all annotations in one tap - Recommended by Techradar, Techworm & Softsonic UPGRADE OPTIONS DOCUMENT 365 • Try for $0.00 for 7 days • Access KDAN PDF on Mac, iPhone, iPad, and other platforms. • Annual plan: billed at USD 59.99/year after the 7-day free trial ends • Quarterly plan: billed at USD 19.99/quarter after 3-day free trial ends • Monthly plan: billed at USD 9.99/month after 3-day free trial ends Subscriptions will be charged to your Apple account upon purchase and will auto-renew 24 hours before the current period ends at the same price and duration. Cancellation during the active period is not allowed. Manage your trial and subscription in your Apple account. Terms of service: https://pdf-reader.kdandoc.com/terms-of-service Privacy Policy: https://pdf-reader.kdandoc.com/privacy-policy Got a question? Contact us at helpdesk@kdanmobile.com or check out https://support.kdanmobile.com

About

Document Reader

Read full description

Document Reader - File Viewer Thanks to the all document reader/ offline document reader, you can now view and read any types of documents right from your mobile device. This file opener is an all document viewer app and supports all formats of office suite, such as Word, Excel, PowerPoint and is pdf reader & pdf viewer as well. With the help of this doc app (documents app), you can easily read and view documents while providing the best user experience possible. If you want an all-in-one documents viewer and reader, this is it. This all documents viewer 2021 is a one-stop shop for viewing and reading your documents. Also, This multi reader and document opener software supports DOCX, XLS, PPT, and PDF file formats. All document readers enable you to discover the document you're searching for immediately. You no longer need to go through each file in a long list one by one to find the one you want. Simply type in the name of the file you desire, and it will be there! Office Suite Doc Reader - Using the docx reader tool, you can easily view word document. Word files can easily be viewed in the office suite doc reader document Manager to make you read word document that is required. - You can impress your boss by reading presentations from your smartphone and prepare for the meeting with this file reader/viewer. Use this ppt reader to help you accomplish your best work and boost your chances of advancement. - With the Excel document Reader/Viewer, you may read or explore official reports in Excel, making your work simpler. - There is no need to turn on the computer to read a report. You can view and share all kinds of files using this all file reader. Excel reader or all file viewer apps reads xls files, making you do your work more efficiently and intelligently. What will you choose? Mobile Docx viewer or physical book? Every document viewer includes PDF readers and viewers. If you wish to read a book, novel, or PDF document, this software will help you. If you're a student, a PDF reader/viewer will make it easy to keep up with your class materials. Open any official work-related notes in a PDF reader so you can get more done. A file viewer is a free tool that allows you to easily read files. PDF reader supports all document formats, which distinguishes it and makes it valuable to its users. It is now the twenty-first century. You do not need to buy any books in order to read this stuff. You may read books on your phone while sleeping by using a PDF reader. View and modify readable files with this all-in-one document reader. The best docx reader, documents viewer, PDF reader/xls reader/ppt viewer software available. All-in-one tool that reads many document formats in a single app, saving space and time. Document Reader - File Viewer: You may use this software to open any file on your iOS smartphone and read it in this iOS document reader. This program accepts a wide range of file formats, including doc, docx, docs, xls, ppt, and pdf. Free PDF viewer Keep on relaxing and reading e-books or any other PDF file on your phone or tablet using PDF reader. You don't have to put forth any additional effort to read a book. You may read a book or a PDF document for free, whenever and wherever you choose, using a free PDF viewer. If you get acquainted with this All in one document reader, you will be able to read, manage and view documents files more easily. Terms of Use We are using default EULA. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PDF Reader4 screens
Document Reader4 screens

Verdict

The call

The clearest difference is ads: PDF Reader at none against Document Reader's shown. PDF Reader also leads on update cadence (every 2 months vs every 10 months). On price, in-app purchases, device support and iOS requirement 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 Reader sells 10 in-app purchases, starting at $2.99 per month and Document Reader sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, Document Reader every 10 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Reader versus Document Reader: the parameters behind the verdict, then further details
ParameterPDF ReaderDocument Reader
PriceFreeFree
Rating4.5 (3.5K ratings) — better—
Positive reviews80.9% of reviews—
Number of ratings3.5K — better—
Update frequencyEvery 2 months — betterEvery 10 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size190 MB29 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDCyber Designz

Bugs and requests

PDF Reader

Reported bugs

3 issues
  • Unable to open or access saved files
  • Syncing and backup issues
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Improved file management and organization
  • Better integration with cloud storage services
  • More customization options
  • Enhanced accessibility features

Document Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

PDF Reader

Subscriptions9
  • KDAN Cloud$2.991 Month
  • Deluxe Business Pack$5.991 Month
  • Creativity 3653 Days trial$9.991 Month
Show 6 more
  • Document 365 (Month)3 Days trial$9.991 Month
  • Deluxe PDF Pack for iPhone$12.993 Months
  • Creativity 365 - 3 Months3 Days trial$19.993 Months
  • Document 365 (Quarter)3 Days trial$19.993 Months
  • Deluxe PDF Pack for iPhone$39.991 Year
  • Document 3657 Days trial$59.991 Year
One-time1
  • Upgrade to Premium$2.99
2 purchases

Document Reader

Subscriptions2
  • Upgrade to Premium$2.991 Month
  • Upgrade to Premium$24.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is Document Reader free?
Document Reader is free to download, with in-app purchases available.
Do PDF Reader or Document Reader have ads?
Document Reader shows ads; PDF Reader does not.
Which is updated more often, PDF Reader or Document Reader?
PDF Reader ships an update every 2 months, and Document Reader every 10 months. Most recently, PDF Reader was updated on September 24, 2026 and Document Reader on September 23, 2026.

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