Comparison

PDF Expert vs PDF Scanner・Doc Scanner App

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・Doc Scanner App

Easily scan documents and save them as high-quality PDFs or JPEGs. Features include batch scanning, cloud integration, and secure sharing options. OCR technology digitizes text for easy access and sharing.

Highlights
  • High-quality PDF and JPEG scans
  • Batch scanning for multiple pages
  • Cloud integration for access
  • Secure sharing and export options
  • OCR for text digitization
  • Adjustable scan settings
Features
Read full description

PDF scanner app is the ultimate tool for anyone who needs to scan documents and save them as PDF files. It is designed with advanced image processing technology that ensures your scans are always clear, sharp, and professional-looking. Here are some of the features that make this PDF app stand out from the rest: 1) Easy to use: It is incredibly easy to use, even if you're not tech-savvy. With just a few taps, you can quickly scan your document and save it as a PDF file. 2) High-quality scans: The app uses advanced image processing technology to ensure your scans are always high-quality, with clear text and sharp images. 3) Adjustable settings: You can easily adjust settings such as resolution, color mode, and file size to get the perfect scan every time. 4) Batch scanning: Need to scan multiple pages? No problem! DocuScan allows you to scan multiple pages and save them as a single PDF file. 5) Cloud integration: You can save your scans to the cloud for easy access from any device. 6) Share and export: DocuScan allows you to easily share your scanned documents via email, messaging apps, or social media. You can also export your scans to other file formats such as JPG or PNG. 7) Secure and private: It uses encryption to ensure your scanned documents are safe and secure. You can also set a passcode to protect your scans from prying eyes. Wherever you are, easily scan photos, texts, and documents into high-quality PDF and JPEG files with this app. Powered by OCR technology, the scanner allows you to easily digitize books, business cards, and receipts and access them. You can quickly share your scanned documents effortlessly. DocuScan is the perfect solution for all your scanning needs. Privacy Policy: https://hazelmobile.com/privacy-policy-ios/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ We’d love to hear from you! Please help us make our DocuScan: PDF Scanner & Maker App even better.

Screenshots

PDF Expert4 screens
PDF Scanner・Doc Scanner App4 screens

Verdict

The call

The clearest difference is ads: PDF Expert at none against PDF Scanner・Doc Scanner App's shown. PDF Expert also leads on ratings volume (216K vs 90) and chart position (#68 vs unranked). PDF Scanner・Doc Scanner App's advantage is iOS requirement (14.0 vs 16.0). On price, rating, review sentiment and update cadence 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・Doc Scanner App sells 3 in-app purchases, starting at $5.99 per 7 days. 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・Doc Scanner App. That said, the two scores are not equally well evidenced: PDF Expert has 216K ratings behind it against 90, 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 50% of PDF Scanner・Doc Scanner App's.

UpkeepUpdate frequency

PDF Expert ships an update fortnightly, PDF Scanner・Doc Scanner App every 3 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

Scorecard4 real differences · 7 level
PDF Expert versus PDF Scanner・Doc Scanner App: the parameters behind the verdict, then further details
ParameterPDF ExpertPDF Scanner・Doc Scanner App
PriceFreeFree
Rating4.7 (216K ratings) — better4.6 (90 ratings)
Positive reviews46.0% of reviews50.0% of reviews — better
Number of ratings216K — better90
Update frequencyFortnightly — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#68 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size307 MB16 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedHazel Mobile

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・Doc Scanner App

All ratings90 ratings
Positive88.9%
Neutral5.6%
Negative5.6%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

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・Doc Scanner App

Not enough reviews yet to summarise bugs or requests.

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・Doc Scanner App

Subscriptions2
  • Remove Ads & File Share - Week3 Days trial$5.997 Days
  • Remove Ads & File Share -Month3 Days trial$7.991 Month
One-time1
  • Remove Ads & Share Files$19.99

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is PDF Scanner・Doc Scanner App free?
PDF Scanner・Doc Scanner App is free to download, with in-app purchases available.
Which has better reviews, PDF Expert or PDF Scanner・Doc Scanner App?
PDF Expert is rated higher. PDF Expert averages 4.7 out of 5 from 216K ratings, while PDF Scanner・Doc Scanner App averages 4.6 from 90 ratings.
Do PDF Expert or PDF Scanner・Doc Scanner App have ads?
PDF Scanner・Doc Scanner App shows ads; PDF Expert does not.
Which is updated more often, PDF Expert or PDF Scanner・Doc Scanner App?
PDF Expert ships an update fortnightly, and PDF Scanner・Doc Scanner App every 3 weeks. Most recently, PDF Expert was updated on September 24, 2026 and PDF Scanner・Doc Scanner App on September 16, 2026.

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