Comparison

PDF Expert vs PDF Scanner・Document Scanner

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

Head to head
About

PDF Expert

This app allows you to edit, annotate, fill out forms, and convert PDF documents. It offers AI-powered summarization and analysis, along with tools to merge, sign, and protect your files. Work seamlessly across Apple devices with a user-friendly interface.

Highlights
  • Edit PDF text and images
  • Annotate and highlight PDFs
  • Fill out PDF forms
  • Convert files to and from PDF
  • AI-powered summarization and analysis
  • Merge and combine PDF files
  • Sign documents with e-signatures
Features
Read full description

Unlock your potential with a fast and easy PDF Expert app with all the features you need in a well-designed and intuitive user interface. BEST FOR iPHONE, iPAD, MAC & VISION PRO Read PDF files easily, highlight and annotate PDFs, fill out forms, convert any file to PDF, merge several files into one, add notes, summarize and navigate PDF documents in seconds with AI-powered tools. Unlock unlimited possibilities with PDF Expert Premium features and work across all your Apple devices, effortlessly letting you complete any PDF task on the go. “PDF Expert is one of my must-have iPad apps and a desktop-class PDF reader.” – MacStories “The best app for managing, editing, and reading PDFs on your iPad.” – The Sweet Setup ▶ WITH PDF EXPERT, YOU CAN: READ PDFs WITH JOY • Pick Day, Night, or Sepia mode and enjoy reading anytime, anywhere. • Enjoy both vertical and horizontal scrolling. • Export PDF files from email, web, or any app that supports the Apple system-wide Share menu • Use Text to Speech to hear the selected text read out loud HIGHLIGHT AND ANNOTATE PDFs • Mark important info in books using colors, text, or stickers • Add stamps such as Approved, Confidential, etc. • Record your voice and add it to the doc FILL OUT FORMS • Fill out PDF forms using interactive text fields, checkboxes, and radio buttons • All the major form formats support, including acro forms and static XFA forms ***PREMIUM FEATURES *** EDIT PDFs DOCS EASILY • Edit or modify existing text directly in a PDF – just as you would in a Word document • Add links: link any part of the text or image to a different page or website • Add outlines to big PDFs to simplify navigation for hundreds of pages • Easily add, replace, and resize images in your PDFs SUMMARIZE AND ANALYZE HUGE PDFs WITH PDF COPILOT – YOUR SMART AI ASSISTANT • List Main Points – instantly scan and highlight key takeaways from any PDF • Summarize – get concise summaries of entire PDFs, or annotations • Ask Anything – find specific details with AI-powered answers and references • Explain – no more Googling! Get instant, contextual explanations of words or phrases MERGE AND COMBINE PDFs • Merge and combine multiple PDF files into one • Add, delete, and rearrange pages with a thumbnail preview • Rotate and reorder pages in PDFs EDIT SCANNED DOCUMENTS • Access the scanned PDFs that you’ve created using PDF Expert • Open your scans to fill out, sign, comment, and share CONVERT FROM AND TO PDF • Convert PDFs to Word, Excel, PPT, JPG/PNG, TXT, and vice versa • Converts any file in seconds SIGN DOCUMENTS • Use e-signatures to sign contracts on the go • Create custom stamps or import one from the images PROTECT YOUR FILES • Restrict access to PDF Expert with a password • Permanently blackout or erase sensitive information like credit card numbers • Secure and Safe trusted brand software COMPRESS PDFs • Compress large PDF files to save space on your device • Merge several files into one and compress it to reduce the file size CONSTRUCTION TOOLS • Scale and measure drawings using our Measure tab • Polygon and polyline shapes • Redline tools COLLABORATE ON THE GO PDF Expert provides the best platform for paperless collaboration between team members. Annotate and add notes in project materials, fill and sign contracts and invoices, and exchange files via email or cloud on the go. OTHER AMAZING FEATURES: • Fully customizable toolbar • Create a Link (drag and add a landing page or a Web) • Presentation Mode • Print and Share ONE ACCOUNT FOR ALL YOUR APPLE DEVICES Now, you don’t need to purchase Mac and iPhone & iPad versions separately. PDF Expert introduces a single Premium subscription for all your Apple devices. Read more about our terms and conditions here: https://pdfexpert.com/privacy https://pdfexpert.com/terms Don’t hesitate to reach out to us at http://readdle.com/contact

About

PDF Scanner・Document Scanner

Digitize your documents with this powerful scanner app. It offers quick, seamless scanning with auto-cropping and image enhancement. Organize your scans into folders and tags for easy retrieval, and export them in various formats.

Highlights
  • Auto-crop and enhance scans
  • Shadow and background removal
  • Organize with folders and tags
  • Export to PDF or JPEG
  • Scan documents, ID cards, and books
  • Edit files after saving
Features
Read full description

In a world where paperwork seems to never end, the PDF scanner app is the solution you've been searching for. Say goodbye to cluttered desks and disorganized files - with this PDF Scanner app, you can scan, store, and manage all of your important documents with ease. PDF app stands out from the rest thanks to its innovative and user-friendly design. The scanning process is quick and seamless, making it easy to digitize any document in just a few taps. This app uses advanced technology to auto-crop and enhances the image for optimal readability. Plus, you can even save scans in different file formats to fit your needs. Create folders and tag documents to organize all your scans. Find documents in your scanned library easily by name, tag, or folder. PDF Scanner - Document Scanner has all the features you need • Automatically removes the messy background. • Shadow removal and defect cleanup. • Photo Scan enhances the scan quality. • You can edit the file after saving it. • Scan Docs and print with Scan to PDF. • Create PDF Scan files in different sizes. • Arrange your docs in folders and subfolders. • Dropbox, Evernote, Drive, or more. • A multi-page Camera Scanner to run fast. How to scan: • Choose the Camera or pick photos from the gallery. • Crop it by using 8 points multi-selection tool. • Enhance the quality of an image by applying filters. • Export to PDF or JPEG if required. We have: • Scan Docx. • Scan ID Card. • Scan Book. • Scan ID Photo. These features are perfect for those on the go, as you can access your documents from anywhere, at any time. So why wait? Download our PDF scanner app today and start simplifying your life. Say goodbye to clutter and hello to an organization with our top-of-the-line app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.freeprivacypolicy.com/privacy/view/50c5621471755f1548917ebbe5e90160

Screenshots

PDF Expert4 screens
PDF Scanner・Document Scanner4 screens

Verdict

The call

The clearest difference is ads: PDF Expert at none against PDF Scanner・Document Scanner's shown. PDF Expert also leads on ratings volume (216K vs 2K) and chart position (#64 vs unranked). On price, rating, review sentiment and in-app purchases 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

Both are free to download. PDF Expert sells 10 in-app purchases, starting at $9.99 per month and PDF Scanner・Document Scanner sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for PDF Expert against 4.6 for PDF Scanner・Document Scanner. That said, the two scores are not equally well evidenced: PDF Expert has 216K ratings behind it against 2K, so its average is the more settled of the two. Written reviews are what separate them: 46% of PDF Expert's written reviews are positive against 44% of PDF Scanner・Document Scanner's.

UpkeepUpdate frequency

PDF Expert ships an update fortnightly, PDF Scanner・Document Scanner every 5 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 7 level
PDF Expert versus PDF Scanner・Document Scanner: the parameters behind the verdict, then further details
ParameterPDF ExpertPDF Scanner・Document Scanner
PriceFreeFree
Rating4.7 (216K ratings) — better4.6 (2K ratings)
Positive reviews46.0% of reviews — better44.1% of reviews
Number of ratings216K — better2K
Update frequencyFortnightly — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#64 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size307 MB112 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedGames Wing

Customer experience

PDF Expert

All ratings215,851 ratings
Positive92.4%
Neutral2.3%
Negative5.3%
Written reviews1,135 reviews
Positive46.0%
Neutral7.4%
Negative46.6%

PDF Scanner・Document Scanner

All ratings1,975 ratings
Positive89.0%
Neutral3.8%
Negative7.2%
Written reviews93 reviews
Positive44.1%
Neutral5.4%
Negative50.5%

User reviews

PDF Expert

From 216K App Store ratings

What we love

  • 🚀 Fast and responsive
  • 👍 Intuitive and user-friendly interface
  • 💡 Powerful annotation and editing tools
  • 🔒 Seamless cloud integration
  • 📚 Excellent for reading and organizing PDFs

Room to improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Subscription model for advanced features
  • 🔒 Inconsistent pricing and feature changes
  • 🔍 Cluttered and confusing UI in latest update
  • 🔍 Reduced customization options for annotations

PDF Scanner・Document Scanner

From 2K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Highly effective
  • 💡 Useful tool

Room to improve

  • 🐛 Poor scan quality
  • 💰 Paid features not worth it
  • 📢 Excessive ads

Bugs and requests

PDF Expert

Reported bugs

4 issues
  • Corrupted PDFs after editing
  • Sync issues with cloud storage providers
  • Unexpected loss of annotations and edits
  • Unreliable performance on older iPad models

Requested features

5 requests
  • Improved palm rejection for Apple Pencil
  • Customizable toolbar and annotation presets
  • Better integration with other productivity apps
  • More flexible file management and organization
  • Ability to create fillable PDF forms

PDF Scanner・Document Scanner

Reported bugs

2 issues
  • Difficulty scanning documents properly
  • Blurry and unreadable text after scanning

Requested features

3 requests
  • Improve scan quality
  • Reduce ads for paid users
  • Add more advanced features

In-app purchases

10 purchases

PDF Expert

Subscriptions9
  • PDF Expert Premium Trial7 Days trial$9.991 Month
  • PDF Expert Premium No Trial$9.991 Month
  • PDF Expert for Education7 Days trial$39.991 Year
Show 6 more
  • PDF Expert Premium7 Days trial3 variants$49.991 Year
  • PDF Expert Premium New7 Days trial$49.991 Year
  • PDF Expert Premium Existing7 Days trial$49.991 Year
  • PDF Expert – Premium Editing1 Year trial$49.991 Year
  • PDF Expert Mac & iOS Pro7 Days trial$79.991 Year
  • PDF Expert Mac & iOS7 Days trial$79.991 Year
One-time1
  • PDF Expert Basic$9.99
3 purchases

PDF Scanner・Document Scanner

Subscriptions2
  • Remove Ads Monthly Sub3 Days trial$8.991 Month
  • Remove Ads Weekly Subscription3 Days trial$9.997 Days
One-time1
  • Remove Ads$24.99

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is PDF Scanner・Document Scanner free?
PDF Scanner・Document Scanner is free to download, with in-app purchases available.
Which has better reviews, PDF Expert or PDF Scanner・Document Scanner?
PDF Expert is rated higher. PDF Expert averages 4.7 out of 5 from 216K ratings, while PDF Scanner・Document Scanner averages 4.6 from 2K ratings.
Do PDF Expert or PDF Scanner・Document Scanner have ads?
PDF Scanner・Document Scanner shows ads; PDF Expert does not.
Which is updated more often, PDF Expert or PDF Scanner・Document Scanner?
PDF Expert ships an update fortnightly, and PDF Scanner・Document Scanner every 5 weeks. Most recently, PDF Expert was updated on September 24, 2026 and PDF Scanner・Document Scanner on September 22, 2026.

Other comparisons