Comparison

PDF Expert vs All Document Reader

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

All Document Reader

Open and manage all your document files, including PDF, Word, Excel, and PowerPoint, directly on your phone. This all-in-one app allows quick viewing and sharing of files without needing a computer.

Highlights
  • Open all document formats
  • PDF reader and viewer
  • Word viewer (DOC/DOCX)
  • Excel viewer (XLSX, XLS)
  • PPT viewer (PPT/PPTX)
  • TXT file reader
  • Share documents
Features
Read full description

Want to quickly open all formats of files on your phone with just ONE app anytime, anywhere? You are in the right place. All Document Reader is an application that will help you open all your files like PDF, DOC, DOCX, XLS, XLXS, PPT, TXT, etc. without the need of your computer. All Document Reader - Viewer, Office Viewer, allow you to view and read all document files on your mobile. Document reader and viewer is the small size application and all-in-one complete free office suite app. √ Why All Document Reader - Viewer one reading :- - If you do not have time to sit in front of the computer to manage your files, you can use Document Reader to view all documents. - If you are a student, employee or businessman and want to view your academic or professional documents without resorting to your computer, you only have to trust our application. - PDF Reader & Viewer enables you to open, view and manage files and share documents, and many more features that you will love. - With only one application, you can manage all your documents and open them smoothly and quickly, anytime and anywhere you like. √ Features of PDF Reader :- - Full Featured Document Manager - PDF Reader & Viewer - Word Viewer (DOC/DOCX) - Excel Viewer (XLSX, XLS) - PPT Viewer (PPT/PPTX) - TXT File Reader - Share documents √ Supported formats for all documents - PDF document: PDF - Word document: DOC, DOCX, DOCS - Excel document: XLS, XLSX - Document slides: PPT, PPTX, PPS, PPSX - Reader and other Word Office files: TXT Privacy : https://mrappsprivacy.blogspot.com Terms of use : https://sites.google.com/view/mr-apps-termsofuse/home Do not forget to share your best experiences with us through Rate & Review.

Screenshots

PDF Expert4 screens
All Document Reader4 screens

Verdict

The call

The clearest difference is rating: PDF Expert at 4.7 against All Document Reader's 4.3. PDF Expert also leads on update cadence (fortnightly vs every 3 months) and ratings volume (216K vs 181). All Document Reader's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model 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 All Document Reader sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Expert holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: PDF Expert has 216K ratings behind it against 181, so its average is the more settled of the two. Written reviews point the same way: 46% of PDF Expert's written reviews are positive against 25% of All Document Reader's.

UpkeepUpdate frequency

PDF Expert ships an update fortnightly, All Document Reader every 3 months. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 5 level
PDF Expert versus All Document Reader: the parameters behind the verdict, then further details
ParameterPDF ExpertAll Document Reader
PriceFreeFree
Rating4.7 (216K ratings) — better4.3 (181 ratings)
Positive reviews46.0% of reviews — better25.0% of reviews
Number of ratings216K — better181
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#71 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size307 MB18 MB
Age rating4+4+
DeveloperReaddle Technologies LimitedMohit Rudani

Customer experience

PDF Expert

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

All Document Reader

All ratings140 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

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

All Document Reader

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

All Document Reader

Subscriptions3
  • Document Reader [ 1 Week ]$2.997 Days
  • Document Reader [ 1 Month ]$6.991 Month
  • Document Reader [ 1 Year ]$24.991 Year

Questions

Is PDF Expert free?
PDF Expert is free to download, with in-app purchases available.
Is All Document Reader free?
All Document Reader is free to download, with in-app purchases available.
Which has better reviews, PDF Expert or All Document Reader?
PDF Expert is rated higher. PDF Expert averages 4.7 out of 5 from 216K ratings, while All Document Reader averages 4.3 from 181 ratings.
Do PDF Expert or All Document Reader have ads?
Neither PDF Expert nor All Document Reader shows ads.
Which is updated more often, PDF Expert or All Document Reader?
PDF Expert ships an update fortnightly, and All Document Reader every 3 months. Most recently, PDF Expert was updated on September 25, 2026 and All Document Reader on September 22, 2026.

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