Comparison

PDF Reader vs PDF Viewer

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

PDF Viewer

This app provides a fast, safe, and simple way to view and manage PDF documents on your mobile device. It offers essential features for reading, searching, and sharing PDFs, making it a convenient tool for work and study.

Highlights
  • Quickly open and view PDF documents
  • Simple list of PDF files
  • Horizontal or vertical reading
  • Go to page functionality
  • Search within documents
  • Single and multiple page views
  • Share and delete PDF files
Features
Read full description

Welcome to PDF Viewer: Easy PDF Viewer app. PDF Viewer: Easy PDF Viewer is the best office application that helps you interact with PDF files, and PDF documents easily and conveniently. If you are looking for a simple and effective document reading application to support your work and study, PDF Viewer: Easy PDF Viewer is a perfect application. PDF Viewer: Easy PDF Viewer is the Fastest and Safest mobile reader app. This is an easy-to-use PDF document reader which allows you to view PDF files while on the go. It is the essential app for every device. PDF Viewer: Easy PDF Viewer is a very modern, lightweight but fast, and simple to use app that helps you enjoy reading PDF, reading documents more than ever. PDF Viewer: Easy PDF Viewer is simple and easy to manage and view PDF files. With all features you need a PDF Viewer: Easy PDF Viewer, we will provide you to pdf reader for the best. Support for documentation zooming, go to page, search, direction, and the option to display the screen to help you have the best experience when using a PDF file with the PDF Viewer: Easy PDF Viewer app. Features: - Quickly open and view PDF documents. - A simple list of PDF files. - Read horizontal or vertical - Go to page - Search Page - Single page view / Multiple page views - Share PDF files - Delete PDF files Download and enjoy the PDF Viewer: Easy PDF Viewer! Privacy Policy: https://softapps.in/App_Privacy.html Terms of use: https://softapps.in/App_TOS.html

Screenshots

PDF Reader4 screens
PDF Viewer4 screens

Verdict

The call

The clearest difference is ads: PDF Reader at none against PDF Viewer's shown. PDF Reader also leads on ratings volume (3.5K vs 5). On price, rating, update cadence 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 Reader sells 10 in-app purchases, starting at $2.99 per month and PDF Viewer sells 3 in-app purchases, starting at $4.99 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 — 4.5 for PDF Reader against 4.6 for PDF Viewer. That said, the two scores are not equally well evidenced: PDF Reader has 3.5K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, PDF Viewer every 4 months. The most recent releases landed on September 24, 2026 and August 24, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Reader versus PDF Viewer: the parameters behind the verdict, then further details
ParameterPDF ReaderPDF Viewer
PriceFreeFree
Rating4.5 (3.5K ratings)4.6 (5 ratings) — better
Positive reviews80.9% of reviews—
Number of ratings3.5K — better5
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size190 MB32 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDHardik Dhameliya

Customer experience

PDF Reader

All ratings3,542 ratings
Positive89.2%
Neutral2.7%
Negative8.2%
Written reviews2,194 reviews
Positive80.9%
Neutral4.8%
Negative14.3%

PDF Viewer

All ratings5 ratings
Positive80.0%
Neutral20.0%
Negative0.0%

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

PDF Viewer

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
3 purchases

PDF Viewer

Subscriptions3
  • Subscription Weekly$4.997 Days
  • Subscription Monthly$9.991 Month
  • Subscription Yearly7 Days trial$19.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is PDF Viewer free?
PDF Viewer is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or PDF Viewer?
PDF Viewer is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while PDF Viewer averages 4.6 from 5 ratings.
Do PDF Reader or PDF Viewer have ads?
PDF Viewer shows ads; PDF Reader does not.
Which is updated more often, PDF Reader or PDF Viewer?
PDF Reader ships an update every 2 months, and PDF Viewer every 4 months. Most recently, PDF Reader was updated on September 24, 2026 and PDF Viewer on August 24, 2026.

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