Comparison

PDF Reader vs QR Scanner

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

QR Scanner

Easily scan and generate QR codes with customizable designs and templates. Also includes powerful tools to scan documents and convert images into high-quality PDFs for seamless sharing and management.

Highlights
  • AI-generated QR codes
  • QR code scanning (URLs, contacts, Wi-Fi)
  • QR code generation (links, text, phone)
  • Stylish QR code templates
  • Business card QR codes
  • Scan history
  • PDF scanning and conversion
Features
Read full description

QR Scanner: PDF & Code Reader Welcome to QR Scanner, your all-in-one solution for QR codes and PDF management. Scan, generate, and manage QR codes effortlessly while enjoying powerful PDF scanning and conversion tools.  1. AI QR Codes  Create unique, AI-generated QR codes that stand out. Personalize your codes with festive designs, including special Christmas templates for a seasonal touch.  2. QR Code Scanning  Quickly scan all types of QR codes, including: URLs Contact Information Calendar Events Wi-Fi Networks  Making everyday tasks faster and easier.  3. QR Code Generation  Easily generate custom QR codes for: Links Contact Info Text Phone Numbers  Share or store your data with beautiful and personalized codes.  4. Stylish QR Code Templates  Access a variety of professionally designed QR code templates, including Christmas-themed templates to make your QR codes more festive and eye-catching.  5. Business Card QR Codes  Create QR codes for your contact information and business cards. Share your details quickly and professionally with anyone, anytime.  6. Scan History & Creation Records Keep track of all your scanned and created QR codes with easy access to history and records.  7. PDF Scanning & Conversion  Transform documents, images, or notes into high-quality PDFs: Scan Photos to PDF: Convert physical files or handwritten notes effortlessly. Image to PDF: Select images from your gallery and create stunning PDFs. View and Share PDFs: Read PDFs with zoom, rotation, and sharing options for a seamless experience.  Why Choose QR Scanner? Effortless QR Code Mastery: Scan, create, and manage QR codes with ease. Powerful PDF Tools: Convert images to PDFs and scan documents for storage or sharing. Beautiful Templates: Customize your QR codes with stunning designs, including festive Christmas templates. Scan History: Never lose track of important QR codes or PDFs you've created.  Subscriptions  Unlock premium features with our flexible subscription plans: 3-Day Free Trial, then $4.99/week Lifetime Access for a one-time payment of $19.99  Scan smarter, create beautifully, and manage effortlessly with QR Scanner: PDF & Code Reader.  Terms of Use: https://sites.google.com/view/qr-scanner-terms-of-use/ Privacy Policy: https://sites.google.com/view/qr-scannerq/

Screenshots

PDF Reader4 screens
QR Scanner4 screens

Verdict

The call

The clearest difference is ads: PDF Reader at none against QR Scanner's shown. PDF Reader also leads on ratings volume (3.5K vs 116) and iOS requirement (13.0 vs 15.0). QR Scanner's advantage is review sentiment (100% vs 81%) and rating (4.7 vs 4.5). On price, in-app purchases, monetization model and device support 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 QR Scanner sells 12 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

QR Scanner holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: PDF Reader has 3.5K ratings behind it against 116, 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 100% of QR Scanner's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, QR Scanner monthly. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
PDF Reader versus QR Scanner: the parameters behind the verdict, then further details
ParameterPDF ReaderQR Scanner
PriceFreeFree
Rating4.5 (3.5K ratings)4.7 (116 ratings) — better
Positive reviews80.9% of reviews100.0% of reviews — better
Number of ratings3.5K — better116
Update frequencyEvery 2 monthsMonthly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size190 MB132 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDMagic Snail

Customer experience

PDF Reader

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

QR Scanner

All ratings116 ratings
Positive94.8%
Neutral3.4%
Negative1.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
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

QR Scanner

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
12 purchases

QR Scanner

Subscriptions11
  • QR Scanner Pro3 Days trial$4.997 Days
  • QR Scanner PRO 1 Week3 Days trial$5.997 Days
  • QR Scanner PRO 1 Week$5.997 Days
Show 8 more
  • QR Scanner PRO 1 Week3 Days trial$9.997 Days
  • QR Scanner PRO 1 Week7 Days trial$9.997 Days
  • QR Scanner PRO7 Days trial$12.997 Days
  • QR Scanner PRO7 Days trial$14.997 Days
  • QR Scanner PRO$29.991 Year
  • QR Scanner PRO 1 Year$34.991 Year
  • QR Scanner PRO 1 Year$39.991 Year
  • QR Scanner PRO3 Days trial$59.991 Year
One-time1
  • QR Scanner Pro$19.99

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is QR Scanner free?
QR Scanner is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or QR Scanner?
QR Scanner is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while QR Scanner averages 4.7 from 116 ratings.
Do PDF Reader or QR Scanner have ads?
QR Scanner shows ads; PDF Reader does not.
Which is updated more often, PDF Reader or QR Scanner?
PDF Reader ships an update every 2 months, and QR Scanner monthly. Most recently, PDF Reader was updated on September 25, 2026 and QR Scanner on September 23, 2026.

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