Comparison

PDF Reader vs Quick 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

Quick PDF Reader

This application provides a fast and efficient way to view PDF documents. It offers simple navigation, offline support, and in-document search capabilities for a smooth reading experience. Designed for users who need a straightforward PDF reader without unnecessary complexity.

Highlights
  • Fast and lightweight PDF opening
  • Easy zoom, scroll, and page switching
  • Offline PDF viewing
  • Quick file search
  • In-document text search
  • Dark mode for reduced eye strain
Features
Read full description

Quick PDF Reader - PDF Viewer is a lightweight and efficient PDF reader designed for easy viewing of documents. Whether you need to open reports, eBooks or work files, this application provides you with a smooth and user-friendly experience. Key Features: 1. Fast and lightweight - Open PDFs instantly and without delay. 2. Easy navigation - Simple control to zoom, scroll and switch pages. 3. Offline support - View PDFs anytime, even without an Internet connection. 4. Quick search - Quickly find the PDF file you need without rummaging. 5. In-Document Search - Content search pinpoints the location of text 6. Dark Mode - Reduce eye strain with dark themes. Why Choose Quick PDF Reader - PDF Viewer? This application is designed for users who need a simple PDF reader. No extra features, no complicated settings, just open the document and read it easily. Download it now and enjoy a hassle-free PDF reading experience!

Screenshots

PDF Reader4 screens
Quick PDF Reader4 screens

Verdict

The call

PDF Reader and Quick PDF Reader both sit at 4.5 stars, but that hides the real split: 81% of PDF Reader's written reviews are positive against 0% of Quick PDF Reader's. PDF Reader also leads on ratings volume (3.5K vs 5). Quick PDF Reader's advantage is in-app purchases (none vs 10). On price, rating, update cadence and ads 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. Quick PDF Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for PDF Reader against 4.4 for Quick PDF Reader. 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. Written reviews are what separate them: 81% of PDF Reader's written reviews are positive against 0% of Quick PDF Reader's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, Quick PDF Reader monthly. Both last shipped on October 13, 2026.

Scorecard4 real differences · 6 level
PDF Reader versus Quick PDF Reader: the parameters behind the verdict, then further details
ParameterPDF ReaderQuick PDF Reader
PriceFreeFree
Rating4.5 (3.5K ratings) — better4.4 (5 ratings)
Positive reviews80.9% of reviews — better0.0% of reviews
Number of ratings3.5K — better5
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size190 MB46 MB
Age rating4+17+
DeveloperKdan Mobile Software LTDFujian Huoli Site Network Technology Co., Ltd.

Customer experience

PDF Reader

All ratings3,542 ratings
Positive89.2%
Neutral2.7%
Negative8.2%
Written reviews2,195 reviews
Positive80.9%
Neutral4.8%
Negative14.4%

Quick PDF Reader

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Quick 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
None

Quick PDF Reader

No in-app purchases

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is Quick PDF Reader free?
Quick PDF Reader is free to download, with no in-app purchases.
Which has better reviews, PDF Reader or Quick PDF Reader?
PDF Reader is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while Quick PDF Reader averages 4.4 from 5 ratings.
Do PDF Reader or Quick PDF Reader have ads?
Neither PDF Reader nor Quick PDF Reader shows ads.
Which is updated more often, PDF Reader or Quick PDF Reader?
PDF Reader ships an update every 2 months, and Quick PDF Reader monthly. Most recently, PDF Reader was updated on October 13, 2026 and Quick PDF Reader on October 13, 2026.

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