Comparison

PDF Reader Pro vs ClearScanner Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Reader Pro

This app allows users to read, edit, annotate, sign, convert, and fill out PDF documents on their mobile devices. It offers features like text editing, image modification, page management, and OCR capabilities, making it a comprehensive tool for PDF management.

Highlights
  • Edit PDF text and images
  • Annotate with highlights, notes, and drawings
  • Sign PDFs with custom signatures
  • Convert PDFs to Word, Excel, and more
  • Fill out interactive PDF forms
  • OCR scanned documents
  • Merge, split, and reorder PDF pages
Features
Read full description

PDF Reader Pro helps much for anyone who reads, edit, highlights, OCR, signs, converts, creates, protects, compresses and fills out PDFs on their iPhone and iPad. It also makes it easy to organize, annotate and edit your PDFs. Import files from your computer or the cloud, then complete forms, add freehand drawings and audio notes and more. PDF Reader Pro offers even more - merge and combine multiple documents, split your PDFs, insert pages from another PDF, insert photos or hyperlinks to your PDFs, Convert PDF to Word and other Microsoft Office® formats. With support for reading files from popular productivity suites, it’s a convenient way to take the office anywhere you go. PDF Reader Pro Edition for Professional is your last choice of PDF application. READ ・ View PDFs with various themes like night mode to comfort your eyes. ・ Choose vertically/horizontally scroll pages or single/two pages/book mode. ・ Support crop mode, tabbed PDF reading, continuous page view, auto scroll and more. ・ Use text-to-speech feature to read selected text with no time limits. ・ Easy content navigation with bookmarks/outlines. ・ Fast files Printing to directly print PDFs from your device. ・ DRM, supports Vitrium* protected PDF files. ANNOTATE ・ Annotate PDFs with highlight, underline, strikethrough, note, freehand, text box, anchored note, rectangle, circle, line etc. ・ Create multiple signatures with trackpad, keyboard or images. ・ Insert pre-designed stamps such as Approved, Confidential and more. ・ Support to link any part of the text to a different page, email or website. ・ Share your annotated PDFs with others via PDF documents/Flattened copy/ Summary/ Original PDF. EDIT PDF ・Edit PDF text. Easily fix typos or other inaccurate content. Fast change the font color, size and style. ・Modify PDF images such as cropping, rotating, deleting, replacing, etc. Easily resize or move images for a better layout. ・Add&edit watermarks to keep your PDFs safe and professional. Watermark tiling is supported. ・Extract images from PDFs. ・Create a Flattened copy to flatten PDF to make the contents static. PAGE EDITOR ・ Merge & Split PDFs available, split documents into multiple documents or combine multiple pages into a new one. ・ Extract the desired pages to create a new PDF. ・ Insert blank pages / another PDF to import specified content. ・ Rotate, rearrange, add, and delete PDF pages. Fill FORMS ・ Work with static PDF forms created in Adobe Acrobat. ・ Fill out any PDF forms with interactive fields such as text fields, checkboxes, radio buttons, combo boxes, list boxes, etc. CONVERT PDF · Export from PDF to Microsoft Word (.docx), PowerPoint (.pptx), Excel (.xlsx), RTF, Text, Image, HTML, CSV, and more Offline. ・ Convert MS Office documents, iWorks, web content, and images to PDFs. ・ Create a new PDF as a blank PDF or from your clipboard content. COMPRESS PDFs ・ Compress large PDFs to reduce file size. PDF size-reduction for easily sharing. OCR · OCR pdfs to convert scanned PDF files or pictures into editable & searchable PDFs/TXT files. 50+ languages supported! PROTECT CONTENT WITH PASSWORD AND ENCRYPTION ・ Passcode to prevent unauthorized use of PDF Reader Pro. ・ Encrypt to protect your PDF files from unauthorized reading with a password. SCANNER ・Make continuous scans and automatically detect edges of scanned objects. Text-to-Speech ・ Support a total of 36 voices for 26 languages. WORK IN THE CLOUD ・ Store & secure files on iCloud Drive, Dropbox, OneDrive, Google Drive, Evernote, Box, FTP, WebDav, etc. Backup Files between iOS Devices, Mac and PC ・ Connect your iPhone/iPad with a desktop for transferring files using USB or WiFi connection. Support Various File Types ・ MS Office, iWork, image files ・ Compressed files (zip, rar) ・ audio and video files ・ Other file formats Have any feedback? Please contact us directly at support@pdfreaderpro.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ClearScanner Pro

Transform your smartphone into a portable scanner to capture high-quality images of documents, receipts, and more. Easily convert scans to PDF or JPEG, with automatic edge detection and editing tools for professional results. Share your scanned files instantly via email or cloud services.

Highlights
  • Automatic document edge detection
  • High-quality PDF/JPEG conversion
  • Fast processing speed
  • Professional editing filters
  • Cloud sharing integration
  • File and folder organization
Features
Read full description

Now, you can transform your smartphone into a mini pocket scanner and enjoy the high quality images in your device within just one touch with the best ever mobile scanning app “Clear Scanner Pro: Fast PDF Scans”. Clear Scanner allows you to quickly scan any kind of documents in your office, images, bills, receipts, books, magazines, class notes and anything that needs to be there in your device within no time. This is the fastest means to get the scanned document in the highest quality and convert it immediately into PDF or JPEG format so that you can share the scanned document, image, books, bills, important notes or any type of paper that you can think of. “Clear Scanner” is a must-have for every person be it a school student, college student, business person or any other person. The app lets you scan your photographs and documents in high quality which makes it easy for the person to read the texts present. The app automatically detects the corner of the file that you want to scan for better quality, and you can also crop the part of the document that you want to scan. This feature is really cool and gives the liberty of choice to the user. Apart from this, there are many auto correcting features that the app provides like adjusting the brightness, removing shadows and straightening the image for the better and higher quality result. Get the faster processing speed for scanning your document with Clear Scanner and share the files immediately over mail, Dropbox, OneDrive, SkyDrive, Google Drive, Evernote and other to enjoy the joy of scanning. Clear Scanner allows the user to convert the scanned document to JPEG format or PDF format. You can even print the scanned document or image over Cloud Print. The app also offers various professional editing features even after saving the images along with various multiple filters. You can also save the image using an appropriate name and reorder the scanned files that makes it easier for the user to find the file, document, image, or other scanned notes. You can choose to email a specific document or an entire folder with faster processing speed. *********************** APP FEATURES *********************** + Automatic document edge detection and perspective correction + Extremely fast processing + Professional quality results with multiple filter options: photo, document, clear, color or black & white + Flexible editing, allowing to edit file after save + Folders and subfolders, You can easily manage your files and folders, in order to organize your documents better. + Document naming, storage inside the app and search + Adding or deleting one page or the entire document + Page reordering after adding or deleting + Set page sizes for PDF (Letter, Legal, A4, and more) + Email specific pages or the entire document + Print PDF file via Cloud Print + Open PDFs or JPEGs in other apps such as Dropbox, OneDrive, SkyDrive, Google Drive, Evernote, etc. to send to clouds Clear Scanner is the best scanning app that streamlines your work that saves a huge amount of both time and money. So get this amazing mini pocket scanner app now in your smartphones and get the scanning done from any part of the world and send the scanned image to any person at any location. ************************ SAY HELLO ************************ We are constantly working hard on making the “Clear Scanner Pro: Fast PDF Scans” app better and more useful for you. We need your continuous support to keep improving. Please feel free to email us for any queries, suggestions, problems or if you just want to say hello. We would love to hear from you. If you have enjoyed any feature of the “Clear Scanner Pro: Fast PDF Scans” app, do not forget to rate us on App Store.

Screenshots

PDF Reader Pro4 screens
ClearScanner Pro4 screens

Verdict

The call

The clearest difference is rating: ClearScanner Pro at 4.8 against PDF Reader Pro's 4.3. ClearScanner Pro also leads on in-app purchases (none vs 4) and ads (none vs shown). PDF Reader Pro's advantage is iOS requirement (13.0 vs 15.5). On price, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

PDF Reader Pro costs $19.99 and ClearScanner Pro $19.99 up front. PDF Reader Pro sells 4 in-app purchases, starting at $39.99 per year. ClearScanner Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ClearScanner Pro holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 222 and 405 respectively. Written reviews point the same way: 69% of PDF Reader Pro's written reviews are positive against 86% of ClearScanner Pro's.

UpkeepUpdate frequency

PDF Reader Pro ships an update every 2 months, ClearScanner Pro every 3 months. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
PDF Reader Pro versus ClearScanner Pro: the parameters behind the verdict, then further details
ParameterPDF Reader ProClearScanner Pro
Price$19.99$19.99
Rating4.3 (222 ratings)4.8 (405 ratings) — better
Positive reviews68.8% of reviews86.0% of reviews — better
Number of ratings222405 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.5
Further details — not scored
Size180 MB78 MB
Age rating4+4+
DeveloperPDF Technologies, Inc.INDY MOBILE APP COMPANY LIMITED

Customer experience

PDF Reader Pro

All ratings222 ratings
Positive81.5%
Neutral3.6%
Negative14.9%
Written reviews205 reviews
Positive68.8%
Neutral6.8%
Negative24.4%

ClearScanner Pro

All ratings405 ratings
Positive95.8%
Neutral2.5%
Negative1.7%
Written reviews43 reviews
Positive86.0%
Neutral9.3%
Negative4.7%

User reviews

PDF Reader Pro

From 222 App Store ratings

What we love

  • 👍 User-friendly
  • 🚀 Efficient file management
  • 💡 Useful annotation tools
  • 👍 Seamless cloud integration
  • 🚀 Fast performance

Room to improve

  • 🐛 Crashes and stability issues
  • 🔒 Unreliable security features
  • 💡 Limited text editing capabilities
  • 🐛 Conversion issues (PDF to Word)
  • 💡 Missing merge/reorder PDF functions

ClearScanner Pro

From 405 App Store ratings

What we love

  • 👍 Easy and simple to use
  • 🚀 Fast and efficient scanning
  • 💎 High quality scans
  • 💰 One-time purchase model
  • 👌 Superb functionality

Room to improve

  • 🐛 App freezes with OneDrive sync
  • ❌ OCR performance issues
  • 🚫 No landscape view on iPad
  • ❓ Cannot rename files (in some versions/languages)
  • ⚠️ UI needs improvement

Bugs and requests

PDF Reader Pro

Reported bugs

5 issues
  • Corrupted PDF files after updates
  • Disappearing files and loss of organization
  • Compatibility issues with newer iOS versions
  • Unreliable PDF form filling
  • Unexpected app crashes

Requested features

5 requests
  • Add undo/redo functionality
  • Improve OCR accuracy
  • Introduce password protection for PDFs
  • Allow custom folder colors
  • Enhance browser integration (history, new tabs)

ClearScanner Pro

Reported bugs

5 issues
  • App freezes when syncing with OneDrive
  • OCR results are garbage
  • Crashes when importing more than 12 photos
  • Cannot rename files (in some versions/languages)
  • No icon on phone (for some users)

Requested features

9 requests
  • MacOS version needed
  • Cloud sync with iCloud
  • Ability to fill out PDFs
  • Bilingual support
  • Specify pixel width for PDF/image
Show 4 more
  • Disable format selection on sharing
  • Flash option for scanning
  • OCR not required every time
  • Icon on home screen

In-app purchases

4 purchases

PDF Reader Pro

Subscriptions3
  • Add 2-Device · Advanced Annual$39.991 Year
  • Add Devices · Advanced Annual$49.991 Year
  • PDF Pro · AI Annual1 Year trial$79.991 Year
One-time1
  • Convert PDF to Office Pack$9.99
None

ClearScanner Pro

No in-app purchases

Questions

Is PDF Reader Pro free?
PDF Reader Pro costs $19.99, and also offers in-app purchases.
Is ClearScanner Pro free?
ClearScanner Pro costs $19.99, with no in-app purchases.
Which has better reviews, PDF Reader Pro or ClearScanner Pro?
ClearScanner Pro is rated higher. PDF Reader Pro averages 4.3 out of 5 from 222 ratings, while ClearScanner Pro averages 4.8 from 405 ratings.
Do PDF Reader Pro or ClearScanner Pro have ads?
PDF Reader Pro shows ads; ClearScanner Pro does not.
Which is updated more often, PDF Reader Pro or ClearScanner Pro?
PDF Reader Pro ships an update every 2 months, and ClearScanner Pro every 3 months. Most recently, PDF Reader Pro was updated on September 29, 2026 and ClearScanner Pro on September 26, 2026.

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