PDF Reader vs Watch PDF Reader
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
Watch PDF Reader
Access and view PDF documents directly on your Apple Watch. Convert photos and scans into PDFs on your iPhone, then transfer them for offline viewing and quick reference on the go. Zoom in to see every detail.
- View PDFs on Apple Watch
- Convert photos to PDF
- Scan documents to PDF
- Import PDFs from Files app
- Offline PDF viewing
- Zoom functionality
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This is a simple but powerful PDF viewer for your Apple Watch. Having PDFs on your Apple Watch gives you following benefits 1. Convenience: Having PDFs on a smartwatch allows for easy access to important documents without having to pull out a phone or computer. This can be especially useful for people who are always on the go. 2. Quick reference: PDFs on a smartwatch can be used as quick reference guides for things like recipes, instructions, or presentations. This can be helpful for people who need to quickly look up information while they're away from their main device. 3. On-the-spot Decision Making: In a meeting or a presentation, having PDFs on smartwatch can be helpful for taking quick notes, making decisions and take actions on the spot. The iPhone app has a simple user-friendly PDF converter integrated so that you could create PDFs easily. Using iPhone app you could create PDFs from Photos & Scans. You could also import your existing PDFs from Files app. The created/imported PDFs could be transferred to your Apple Watch with one single tap. The Apple Watch app lets you view the PDFs offline on the go. The zoom feature on the Apple Watch lets you view every little detail of your PDF.
Screenshots
Verdict
The clearest difference is review sentiment: PDF Reader at 81% against Watch PDF Reader's 29%. PDF Reader also leads on price (Free vs $4.99) and rating (4.5 vs 3.0). Watch PDF Reader's advantage is in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 2 months). On ads 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
PDF Reader is free to download; Watch PDF Reader costs $4.99 up front. PDF Reader sells 10 in-app purchases, starting at $2.99 per month. Watch PDF Reader asks for nothing beyond the download.
PDF Reader holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: PDF Reader has 3.5K ratings behind it against 17, 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 29% of Watch PDF Reader's.
PDF Reader ships an update every 2 months, Watch PDF Reader every 3 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.
| Parameter | PDF Reader | Watch PDF Reader |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.5 (3.5K ratings) — better | 3.0 (17 ratings) |
| Positive reviews | 80.9% of reviews — better | 28.9% of reviews |
| Number of ratings | 3.5K — better | 17 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 190 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | Kdan Mobile Software LTD | Engels Cybersecurity & Consulting GmbH |
Customer experience
PDF Reader
Watch PDF Reader
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
Watch PDF Reader
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
Watch PDF Reader
No in-app purchases
Questions
Is PDF Reader free?
Is Watch PDF Reader free?
Which has better reviews, PDF Reader or Watch PDF Reader?
Do PDF Reader or Watch PDF Reader have ads?
Which is updated more often, PDF Reader or Watch PDF Reader?
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