PDF Reader vs PDF Converter & PDF Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
PDF Converter & PDF Scanner
This app acts as a portable PDF assistant, allowing users to scan, edit, and convert documents and photos into PDF format. It offers high-quality scanning, smart OCR for text recognition, and versatile editing tools. Convert PDFs to various formats and secure your files with encryption.
- High-quality scanning
- Smart OCR text recognition
- All-in-one PDF editing
- Format conversion (Word, Excel, images)
- Secure file encryption
- Add text, images, annotations, signatures
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Your portable PDF assistant: easily scan,Clean-scan ,edit and convert! This is an intuitive and powerful PDF tool that allows you to effortlessly handle PDFs and enjoy a convenient experience. Whether you're scanning photos or paper documents, editing PDF content, or converting file formats, it's all made easy. Key Features: -High-Quality Scanning: Easily scan paper documents using your phone's camera to generate high-definition PDF files, with support for automatic cropping and image enhancement. -Smart OCR: Equipped with a powerful OCR text recognition engine, it can convert text in scanned documents into editable text, allowing you to copy, edit, translate, and more. -All-in-One Editing: Supports a variety of editing operations on PDF files, including adding text, images, annotations, signatures, watermarks, and more, meeting all your needs. -Format Conversion: Converts PDF files into various formats such as Word, Excel, and images, making it easy for further editing and sharing. -Secure Encryption: Utilizes advanced encryption technology to protect your PDF files and prevent information leaks. Whether you're a student, business professional, designer, or everyday user, you can efficiently handle PDF documents, easily edit PDF materials, and enjoy a convenient digital life. Download now to experience efficient and convenient PDF processing! About Subscription: Subscription automatically renews 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. Any unused portion of a free trial period, if offered, will be automatically invalidated when the user purchases the applicable subscription. Privacy Policy: https://sites.google.com/view/pdfpp/home Terms of Use: https://sites.google.com/view/pdftou/home
Screenshots
Verdict
The clearest difference is ads: PDF Reader at none against PDF Converter & PDF Scanner's shown. PDF Reader also leads on ratings volume (3.5K vs 91). PDF Converter & PDF Scanner's advantage is update cadence (every 8 days vs every 2 months) and review sentiment (98% vs 81%). On price, rating, in-app purchases and monetization model 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
Both are free to download. PDF Reader sells 10 in-app purchases, starting at $2.99 per month and PDF Converter & PDF Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for PDF Reader against 4.6 for PDF Converter & PDF Scanner. 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 are what separate them: 81% of PDF Reader's written reviews are positive against 98% of PDF Converter & PDF Scanner's.
PDF Reader ships an update every 2 months, PDF Converter & PDF Scanner every 8 days. The most recent releases landed on September 24, 2026 and August 27, 2026 respectively.
| Parameter | PDF Reader | PDF Converter & PDF Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3.5K ratings) | 4.6 (91 ratings) — better |
| Positive reviews | 80.9% of reviews | 97.9% of reviews — better |
| Number of ratings | 3.5K — better | 91 |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 190 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | Kdan Mobile Software LTD | 家俊 张 |
Customer experience
PDF Reader
PDF Converter & PDF Scanner
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 Converter & PDF Scanner
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Reader
- KDAN Cloud$2.991 Month
- Deluxe Business Pack$5.991 Month
- Creativity 3653 Days trial$9.991 Month
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- 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
- Upgrade to Premium$2.99
PDF Converter & PDF Scanner
- 1 week7 Days trial$4.997 Days
- 1 month1 Month trial$16.991 Month
- 1 year$39.991 Year
Questions
Is PDF Reader free?
Is PDF Converter & PDF Scanner free?
Which has better reviews, PDF Reader or PDF Converter & PDF Scanner?
Do PDF Reader or PDF Converter & PDF Scanner have ads?
Which is updated more often, PDF Reader or PDF Converter & PDF Scanner?
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