Comparison

PDF Reader vs PDF 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

PDF Reader

Easily view, edit, search, and annotate PDF documents. This software helps manage your daily work needs by supporting multiple document formats and offering convenient sharing and printing options.

Highlights
  • View PDF documents
  • Text search within PDFs
  • Annotate documents
  • Document management
  • Support multiple formats
  • Share and print PDFs
Features
Read full description

PDF Reader is an easy-to-use software that can quickly view, edit, search, annotate, share or print PDF content ,including forms and multimedia to meet your daily work needs. 【Main functions】 • View • Text search • Annotations • Document Management • Support multiple document formats • Share • Print 【Starter guide】 1. Open the PDF document 1) Open from other applications Find the PDF document on emails, webs or other application, tap the Share icon or Open-in option, and choose Copy to PDF Reader, select "PDF Reader". The document will be opened in the PDF Reader . 2) Within the APP You can open the PDF documents that you viewed or edited recently within the APP . 2. Process the documents Open the PDF documents and choose the tools at the top right to process. 3. Complete processing Share files to your friends with email, Facebook, Twitter, Airdrop. Or, print it. 【PDF Reader VIP member subscription instructions】 We offer subscription plans as followed, the price will change depending on the currency 1-month subscription 1-year subscription Payment will be charged to iTunes Account at confirmation of purchase. Subscriptions automatically renew 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, and identify the cost of the renewal. Subscriptions may be managed by the user and auto renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of service: https://kkyun.com/html/service.html Privacy policy: https://kkyun.com/html/privacy.html 【Feedback】 Please contact us: service@kkyun.com

Screenshots

PDF Reader4 screens
PDF Reader4 screens

Verdict

The call

The clearest difference is rating: PDF Reader at 4.5 against PDF Reader's 4.0. PDF Reader also leads on review sentiment (81% vs 47%) and ratings volume (3.5K vs 91). PDF Reader's advantage is iOS requirement (9.0 vs 13.0). 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 Reader sells 10 in-app purchases, starting at $2.99 per month and PDF Reader sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Reader holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: PDF Reader has 3.5K ratings behind it against 91, so its average is the more settled of the two. Written reviews point the same way: 81% of PDF Reader's written reviews are positive against 47% of PDF Reader's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, PDF Reader monthly. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Reader versus PDF Reader: the parameters behind the verdict, then further details
ParameterPDF ReaderPDF Reader
PriceFreeFree
Rating4.5 (3.5K ratings) — better4.0 (91 ratings)
Positive reviews80.9% of reviews — better46.7% of reviews
Number of ratings3.5K — better91
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size190 MB52 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDABV Mobile

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 Reader

All ratings91 ratings
Positive70.3%
Neutral6.6%
Negative23.1%
Written reviews15 reviews
Positive46.7%
Neutral13.3%
Negative40.0%

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 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

PDF Reader

Subscriptions2
  • Monthly VIP$1.991 Month
  • Annual VIP3 Days trial$14.491 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or PDF Reader?
PDF Reader is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while PDF Reader averages 4.0 from 91 ratings.
Do PDF Reader or PDF Reader have ads?
Neither PDF Reader nor PDF Reader shows ads.
Which is updated more often, PDF Reader or PDF Reader?
PDF Reader ships an update every 2 months, and PDF Reader monthly. Most recently, PDF Reader was updated on September 24, 2026 and PDF Reader on September 8, 2026.

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