PDF Reader vs PDF Cleaner
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 Cleaner
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PDF Watermark Remover is your go-to solution for professionally removing watermarks from PDF documents and unlocking password-protected PDFs. Whether you're dealing with draft marks, logos, password protection, or other unwanted overlays, our app makes the process simple and efficient. PDF Cleaner: One-stop PDF cleaning tool PDF Cleaner is your professional solution for dealing with watermarks, passwords, and metadata in PDF documents. Whether it is removing annoying watermarks, unlocking restricted password files, or clearing or editing hidden document information, we provide you with an efficient, accurate, and secure experience. Core functions at a glance • PDF watermark removal: Easily remove background watermarks, logos, and draft marks • PDF unlocking: Remove password protection and restore full access rights • Metadata editing: Modify document properties, such as author, title, and subject • Privacy protection: One-click metadata removal to remove sensitive information • Speed engine: Quickly process large files and save valuable time • Original layout retention: Retain page structure and format, and output high-quality files • Clear UI: Simple and intuitive user interface, easy to use Steps 1. Import PDF files 2. Select the required function: remove watermarks / unlock passwords / edit or clear metadata 3. Process documents with one click 4. Export, save, or share the processed PDF immediately Suitable for the following users • Business people who need to remove PDF watermarks • Content creators and lawyers who want to view, edit, or hide metadata information of PDF files • Office workers who need to unlock access rights to old documents • Every user who cares about document privacy and metadata security Are you still worried about PDF watermark removal, metadata, and password restrictions? Download PDF Cleaner now and experience the efficient, safe and professional PDF cleaning tool! ------ Subscription Information: Premium Features (Auto-renewable subscription) • Monthly Plan: $4.99/month • Annual Plan: $29.99/year All prices are in USD and may vary by country or region. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase. Your account will be charged for renewal within 24-hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Privacy Policy: https://dsssd.com/pdf-cleaner/privacy-policy/ Terms of Service: https://dsssd.com/pdf-cleaner/terms-of-service/
Screenshots
Verdict
The clearest difference is ads: PDF Reader at none against PDF Cleaner's shown. PDF Reader also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases 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
Both are free to download. PDF Reader sells 10 in-app purchases, starting at $2.99 per month and PDF Cleaner sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
PDF Reader ships an update every 2 months, PDF Cleaner monthly. The most recent releases landed on September 24, 2026 and August 16, 2026 respectively.
| Parameter | PDF Reader | PDF Cleaner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3.5K ratings) — better | — |
| Positive reviews | 80.9% of reviews | — |
| Number of ratings | 3.5K — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 190 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Kdan Mobile Software LTD | 知昶 臧 |
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 Cleaner
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 Cleaner
- Monthly Premium$4.991 Month
- Yearly Premium$29.991 Year
Questions
Is PDF Reader free?
Is PDF Cleaner free?
Do PDF Reader or PDF Cleaner have ads?
Which is updated more often, PDF Reader or PDF Cleaner?
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