Comparison

PDF Reader vs PDF Doc 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

PDF Doc Scanner

Transform your device into a powerful scanner to capture documents, receipts, and notes. Save them as PDFs or JPGs, organize them in the cloud, and even add your signature. Optimize scans and share them easily.

Highlights
  • Scan documents, receipts, and notes
  • Save as PDF or JPG
  • Cloud storage and organization
  • Automatic border detection
  • Add digital signatures
  • Share via email
  • PIN and Face ID protection
Read full description

Are you looking for a pocket scanner to scan your documents?Two talented companies have developed an excellent utility app: Scan Cloud. Scan Cloud will be an integral part of your daily life. Scan anything you want, including invoices, documents, notepapers, fax pages, even books. Save your scanned files as PDF in multiple pages or JPG. Here are some of the great skills of Scan Cloud: - Scan, print, save and manage your documents easily and quickly! - Get high resolution scanned documents in PDF or JPG format. - Scan Cloud is a mobile scanning app that will turn your iOS device into a useful scanner. - Automatic shutter and border detection for any scannable object. - Use your phone camera as a scanner to scan your bills, notes, whiteboard meeting notes, business cards, certificates, etc. - Optimize your scanned documents without losing quality. - Group your documents into files and store them in the cloud. - Protect your documents with a PIN or Face ID and keep them secure! - Add your signature and sign documents. - Convert your scanned files into greyscale, black & white or color. - Share your documents as PDF or image via email. Explore Scan Cloud Premium: - Unlimited storage space on our secure server! - Unlimited editing option. - Lock your documents with a PIN code! We are offering in-app purchases and a 7-day free trial for the premium version of Scan Cloud! You can purchase a weekly subscription for a short-term trial. We recommend you to purchase a yearly subscription to enjoy the privileges of Scan Cloud Premium more. The cost will be charged to your iTunes account and it will vary from country to country. You will be able to see the fee amount before completing the purchase. Subscriptions with in-app purchases will be renewed according to the renewal scheme of the selected payment plan. To terminate automatic subscription renewal, you must deselect the automatic subscription renewal option at most 24 hours before your subscription expires. You can cancel your automatic subscription renewal at any time from your iTunes account settings. Where applicable, the privileges granted during the free trial period that have not been used will lose their validity at the time the user purchases a subscription of the related publication. Privacy Policy: http://scancloudapp.com/ScanCloud-Privacy-Policy.pdf Terms & Conditions: http://scancloudapp.com/ScanCloudTermsOfUse.pdf

Screenshots

PDF Reader4 screens
PDF Doc Scanner4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Reader at 81% against PDF Doc Scanner's 0%. PDF Reader also leads on rating (4.5 vs 2.9) and ratings volume (3.5K vs 238). PDF Doc Scanner's advantage is iOS requirement (11.0 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 Doc Scanner sells 5 in-app purchases, starting at $6.99 per 7 days. 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 2.9. That said, the two scores are not equally well evidenced: PDF Reader has 3.5K ratings behind it against 238, 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 0% of PDF Doc Scanner's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, PDF Doc Scanner every 3 months. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Reader versus PDF Doc Scanner: the parameters behind the verdict, then further details
ParameterPDF ReaderPDF Doc Scanner
PriceFreeFree
Rating4.5 (3.5K ratings) — better2.9 (238 ratings)
Positive reviews80.8% of reviews — better0.0% of reviews
Number of ratings3.5K — better238
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size190 MB62 MB
Age rating4+4+
DeveloperKdan Mobile Software LTDSHARE YAZILIM LIMITED SIRKETI

Customer experience

PDF Reader

All ratings3,542 ratings
Positive89.2%
Neutral2.7%
Negative8.2%
Written reviews2,196 reviews
Positive80.8%
Neutral4.8%
Negative14.4%

PDF Doc Scanner

All ratings238 ratings
Positive46.2%
Neutral2.5%
Negative51.3%
Written reviews35 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

User reviews

PDF Reader

From 3.5K App Store ratings

What we love

  • 👍 Good app
  • 🚀 Fast and efficient
  • 📚 Useful for reading PDFs
  • 🔒 Secure file storage
  • 💡 Helpful features like highlighting and annotation

Room to improve

  • 🐛 Crashes and freezes
  • 🔐 Locked files behind paywall
  • 💰 Expensive subscription
  • 📢 Intrusive ads
  • 🤯 Confusing and unintuitive UI

PDF Doc Scanner

From 238 App Store ratings

Room to improve

  • ❌ Misleading advertisements
  • 💸 Expensive subscription costs
  • 🚫 App functionality not as advertised
  • ⏳ Unskippable ads/paywalls
  • 📉 Poor user experience

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 Doc Scanner

Reported bugs

4 issues
  • App logo flashing and not loading
  • Cannot access app without paying
  • Missing measurement features
  • Rubik's cube solving feature not present

Requested features

6 requests
  • Make app free
  • Fix app to work as advertised
  • Remove subscription requirement
  • Provide actual Rubik's cube solving functionality
  • Implement accurate measurement features
Show 1 more
  • Develop ethnicity categorization feature

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
5 purchases

PDF Doc Scanner

Subscriptions5
  • Weekly Premium7 Days trial$6.997 Days
  • Monthly Premium$9.991 Month
  • Trial Monthly1 Month trial3 variants$9.991 Month
Show 2 more
  • Yearly Premium$24.991 Year
  • Trial Yearly1 Year trial4 variants$39.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is PDF Doc Scanner free?
PDF Doc Scanner is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or PDF Doc Scanner?
PDF Reader is rated higher. PDF Reader averages 4.5 out of 5 from 3.5K ratings, while PDF Doc Scanner averages 2.9 from 238 ratings.
Do PDF Reader or PDF Doc Scanner have ads?
Neither PDF Reader nor PDF Doc Scanner shows ads.
Which is updated more often, PDF Reader or PDF Doc Scanner?
PDF Reader ships an update every 2 months, and PDF Doc Scanner every 3 months. Most recently, PDF Reader was updated on October 15, 2026 and PDF Doc Scanner on October 6, 2026.

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