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PDF Reader – Annotate, Scan and Sign PDF Documents

By Kdan Mobile Software LTD

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PDF Reader is one of the world’s most popular PDF apps for viewing, annotating and signing PDFs. It allows you to make notes and organize all annotated PDF documents within a few taps. You can quickly backup and send files to friends, classmates, and colleagues via email or all the popular Cloud storage services. Optimizing your work quality and productivity has never been this easy!

- Featured as “10 Essentials” in Utility on iTunes in 2012
- Featured as one of best in the Utility Category of App Store Rewind 2011
- Overall: Top 100 in USA store and more than 20 stores.
- Productivity: #1 in USA, Germany, Mexico, Brazil, and many other stores.
- Utility: Top 100 in more than 91 countries


- Support all mainstream file formats, including Vitrium* PDF format (Like University of Phoenix Ebooks)
- Highlight, underline, squiggly and strikeout text
- Multi-tab viewing (available for iPad)
- Add shapes, sticky notes, and text boxes
- PDF Signature & form filling
- Add stamps indicating time and date information
- View B/O/T/A (Bookmark, Outline, Thumbnail, Annotation Summary)
- Text Reflow & Auto Flow

- Support List View & Thumbnail View in your file list
- Move/Delete files using drag & drop
- Zip/Unzip files
- Full text search

- Get files from Dropbox, OneDrive, GoogleDrive, Evernote, Box, FTP, or WebDAV client.
- Copy files via WiFi, iTunes USB & Open-in feature.

- Create JPEG scans via built-in camera or from Photo Library
- Image Adjustments: Exposure, B&W, Auto, and Cropping
- Turn scans to multi-pages PDFs
- Scanner Setting (title, password, page size, layout, margins, page number)

- View PDFs and markups online by sending file links.
- Upload and manage files directly from the browser.
- Send download links from the web with password protection.

Convert, edit, and sync PDFs on the go by subscribing to Kdan Cloud services. You can easily work with PDFs across all devices and platforms.

- Convert files between different file formats: pdf, txt, doc, html, epub, and more.
- Convert and fax documents online
- Rotate/Rearrange/Add/Delete PDF pages.
- Extract pages or images from PDFs.
- PDF Watermark, Merge & Split.
- Slideshow Mode
- Night reading mode
- Attach audio notes, insert images & add hyperlinks to PDFs.
- Create a flattened copy
- Seamless file storage with no limitations and get storage space on Kdan Cloud.

- Creativity 365: USD$9.99/month or $4.99 per month if you opt to pay annually (free trial available, includes advanced PDF editing tools, all premium features in 5 cloud apps & 1 TB cloud storage)
- Deluxe Business Pack: $5.99/month or $29.99/year (includes advanced PDF editing tools and 500 GB cloud storage)
- Kdan cloud: $2.99/month or $9.99/year (includes 500 GB cloud storage)

- We offer a 7-day or 30-day trial period to new subscribers of Creativity 365. You can try out the subscription content before buying it.
- Subscriptions will be charged through your iTunes account at the confirmation of purchase.
- Your subscriptions will automatically renew unless cancelled at least 24 hours before the end of current subscription period. Your iTunes account will be charged for renewal within 24-hours prior to the end of the current period, for the same duration and at the current subscription price.
- You may manage your subscriptions in your iTunes Account Settings after purchase
- No cancellation of the current subscription is allowed during an active subscription period

Terms of service:
Privacy Policy:

Got a question? Contact us at or check out https//

What's New in Version 4.0

Introducing Creativity 365
-Get access to all premium features in Kdan Creative App series across phone, tablet, and desktop.

Better Customer Support Center
•If you have any questions, issues, or comments, please search our knowledge base or submit a ticket to our support team.
•Go to App Settings > User Guide & Contact > Support

Fully compatible with iOS 10
-Share documents directly in iMessage
-Quickly access to scanner and file converter via iOS Widget
-iPad Pro optimization and support Apple Pencil for pressure sensitive writing

PDF Viewer
•Support to view Vitrium* protected PDFs (Like University of Phoenix Ebooks)
•Night mode supported
•Multi-Tab Viewing - keep multiple PDFs open at a time and easily switch through them (available for iPad)
•Screen Capture - take a snapshot of your screen and make a copy of the information you need from PDFs
•BOTA List – remove all annotations in one single tap or delete one by one using swipe gesture.

File Management
•Support List View / Thumbnail View in your file list
•Move / Delete files using drag and drop

File Transferring
- Overall performance improvements in accessing Google Drive files
- Transfer multiple files from/to a computer using wifi connection

PDF Scanner
•Brand new interface
•Project Management – View or manage scanned projects in thumbnails
•QR Code Scanner - support to scan vCard and MEcard formats

PDF Editor
•PDF Annotation – color filler and default opacity setting supported
•Further stability tweaks in editing PDF pages and watermarks

PDF Stamp Tool
•Indicate date and time information on custom stamps
•Add more default stamps for you to choose from

Kdan Cloud Services
•Convert files and fax documents online
•Unlock your app using Touch ID or password

Please, if you like PDF Reader do let a review on the App Store as this helps us a lot!


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PDF Reader – Annotate, Scan and Sign PDF Documents
View in iTunes
Offers iMessage App for iOS
  • Free
  • Category: Utilities
  • Updated:
  • Version: 4.0
  • Size: 98.7 MB
  • Languages: English, Czech, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
All Versions:

Top In-App Purchases

  1. Deluxe Business Pack$5.99
  2. Kdan Cloud$2.99
  3. Upgrade to Premium$2.99
  4. Creativity 365$9.99
  5. Kdan Cloud$9.99
  6. Deluxe Business Pack$39.99
  7. 20 Kdan Credits$1.99