Comparison

PDF Reader Pro Edition® vs pdfFiller

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 Edition®

This powerful application allows users to read, manage, edit, and annotate PDF files on iOS devices. It offers real-time online collaboration, form filling, and advanced annotation tools. Create, organize, and secure your PDF documents with ease.

Highlights
  • Real-time online collaboration and chat
  • Fillable PDF forms
  • Extensive annotation tools (highlight, notes, signature)
  • EasyReview mode for text markup
  • Create new PDF files
  • Secure Vault folder
  • Built-in scanner
Features
Currently charting
Read full description

**Winner of the Tabby Awards for best iPad- Productivity/Documents App** PDF Reader Pro Edition is the best app to read, manage and annotate PDF files and it works beautifully on iOS 12. The most powerful PDF reader, carefully designed and optimized specially for the iPhone & iPad. The best mobile PDF reader for your iPad Pro and Apple Pencil. Part of the @work campaign by Apple. Some of the great features of PDF Reader Pro Edition are: • Real-time online collaboration & chat Now you can collaborate and add annotations with other users on the same file over the internet in real time and you can chat about your progress simultaneously. They will be able to see what changes you are making as you make them all in real time. • PDF forms support 
Now you can fill out PDF forms directly on your iPad/iPhone. • Full Annotations/highlight support
 Now you can add notes directly from your iPad anywhere on the document. Highlighter, stamps, sticky notes, text boxes, underlines, strikeout, dynamic stamps (with date & time), freehand drawing, signature, free highlight, lines, arrows, rectangles and ovals, fully compatible with Apple Preview and Adobe Acrobat. • New EasyReview mode With this new amazing feature you are able to mark up PDF documents faster and easier than ever before. Just tap on the part of text where you need to make changes and correct it in the text editor (similar to Word). The text will be marked as removed and the new text will have a different color so you can easily identify it. When you save the PDF file all the modifications will appear as standard annotations (replace text and insert text annotations). • Fresh new user interface specially design to merge beautifully with iOS 12. • Create new PDF files Extract and email pages from a PDF file or create a new document using pages from an existing file. • Share & collaborate Connect with all your colleagues and friend to share and collaborate your PDF files and annotations in real time. • Rotate function You can rotate a single page or the whole document. • Vault folder Securely store your important PDF files. • Bookmarks/Outlines Bookmark pages on your PDF files. Add outlines to create or modify a table of contents for your document directly from your iPad. • Reflow mode • Full Web browser to download PDF files from the web • Scanner Create multipage documents in PDF format. • Document manager Copy, cut, paste and delete your documents. Organize your PDFs into folders. • PDF hyperlinks support Jump back and forth within the document. Jump back button to quickly go back to the page you came from. • Text search Easily find any word on your PDF file. • Save email attachments Open attachments directly from the Mail app, you can also open PDF files from any other application using the Open in function. • Download PDF files from Safari Use the Open in function to download a PDF file from Safari to PDF Reader Pro Edition. • Transfer files You can easily and securely copy your PDF files from your Mac or PC using Airdrop, the USB or WiFi sharing feature. • Print Print your PDF files and annotations directly from the app. • Email your files Email your PDF files directly from the app, you can email the entire document with all annotations or you can also email specific pages from a PDF file. You can also email a flatten copy of a PDF file, this option will compress and flatten your annotations onto the document to prevent them from being modified. • Cloud support Download/upload your PDF files to iCloud, Dropbox, Box, Google Drive, SugarSync & OneDrive. • Great for presentations Use Airplay or an HDMI cable to show your documents on an external display while you annotate them in real time. • The only mobile PDF Reader application that supports Vitrium* protected PDF files (Like University of Phoenix ebooks) Join the hundred of thousands users already enjoying all the great features of PDF Reader Pro Edition. More amazing features coming soon!

About

pdfFiller

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Highlights
  • Edit PDF documents
  • Esign and fill out forms
  • Share and collaborate on documents
  • Securely store unlimited documents
  • Access millions of fillable templates
  • Work offline
Features
Currently charting
Read full description

pdfFiller is a powerful mobile app that transforms your iOS device into a fully equipped office. With an extensive set of features, you can edit, eSign, and manage an unlimited number of PDF documents from anywhere. Try pdfFiller to see how it can revolutionize the way you work. “pdfFiller does more than just bring a few new editing tricks to PDFs. Actually, this PDF app can add extra depth to the way we interact with these popular files.” — CultOfMac.com “The app is easy to use, lets you organize files into folders, and connects to Dropbox, Google Drive, Box, and OneDrive.” — MakeUseOf.com EDIT PDF DOCUMENTS • Easily edit any PDF contract, invoice, or tax form on your mobile device • Highlight content, erase, or blackout sensitive information in the documents • Use various annotation tools to add text, images, dates, check marks, and more ESIGN AND FILL OUT FILLABLE FORMS • Quickly eSign contracts, agreements, and deals with just a few taps • Send an unlimited number of documents for signing • Create your signature or initials by drawing them on your device’s screen SHARE AND EXPORT • Invite others to collaborate by sharing documents by email, link, or text message • Set permissions for the recipients allowing them to view, edit, or sign the document • Print, fax, and save documents as Word, Excel, and PowerPoint files STORE AN UNLIMITED NUMBER OF DOCUMENTS • Protect your documents with the same level of security and encryption used in the banking industry • Keep your documents up-to-date on all your devices and access them from a smartphone, laptop, or tablet • Start working on a document on one device and pick it up on another one using your pdfFiller account FIND FILLABLE TEMPLATES • Search among millions of ready-to-fill templates in our PDF Library • Add templates to your account and use them as many times as you need • Create professional-looking documents using high-quality business and legal templates OFFLINE MODE • Turn on offline mode to work on documents without interruptions • View, edit, and eSign documents even without an internet connection • Sync the changes you made when you’re back online 7-DAY FREE TRIAL • Try out all paid features free for 7 days • Select a plan that best suits your needs • Cancel anytime without any obligations Subscription will be charged to your credit card through your App Store account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Manage your subscription in the Account Settings on the App Store after purchase. Terms of use: https://www.pdffiller.com/en/terms_of_services.htm Privacy policy: https://www.pdffiller.com/mobile/privacy_policy.html We appreciate your feedback, so please email us at support@pdffiller.com

Screenshots

PDF Reader Pro Edition®4 screens
pdfFiller4 screens

Verdict

The call

The clearest difference is price: pdfFiller at Free against PDF Reader Pro Edition®'s $1.99. pdfFiller also leads on update cadence (fortnightly vs every 4 months) and ratings volume (8.5K vs 1.7K). PDF Reader Pro Edition®'s advantage is in-app purchases (none vs 12) and review sentiment (54% vs 20%). On rating, ads, chart position 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

pdfFiller is free to download; PDF Reader Pro Edition® costs $1.99 up front. pdfFiller sells 10 in-app purchases, starting at $19.99 per month. PDF Reader Pro Edition® asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for PDF Reader Pro Edition® against 4.4 for pdfFiller. Both are backed by a comparable volume of ratings — 1.7K and 8.5K respectively. Written reviews are what separate them: 54% of PDF Reader Pro Edition®'s written reviews are positive against 20% of pdfFiller's.

UpkeepUpdate frequency

PDF Reader Pro Edition® ships an update every 4 months, pdfFiller fortnightly. Both last shipped on September 24, 2026.

Scorecard7 real differences · 4 level
PDF Reader Pro Edition® versus pdfFiller: the parameters behind the verdict, then further details
ParameterPDF Reader Pro Edition®pdfFiller
Price$1.99Free — better
Rating4.4 (1.7K ratings)4.4 (8.5K ratings)
Positive reviews54.3% of reviews — better19.9% of reviews
Number of ratings1.7K8.5K — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#126#59 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS10.0 — better15.0
Further details — not scored
Size66 MB178 MB
Age rating4+4+
DeveloperiTECH DEVELOPMENT SYSTEMS INC.airSlate, Inc.

Customer experience

PDF Reader Pro Edition®

All ratings1,730 ratings
Positive84.9%
Neutral3.2%
Negative11.8%
Written reviews516 reviews
Positive54.3%
Neutral8.5%
Negative37.2%

pdfFiller

All ratings8,461 ratings
Positive85.6%
Neutral2.6%
Negative11.9%
Written reviews582 reviews
Positive19.9%
Neutral2.1%
Negative78.0%

User reviews

PDF Reader Pro Edition®

From 1.7K App Store ratings

What we love

  • 🚀 Fast and easy to use
  • 📁 Good file organization and management
  • ✍️ Useful annotation and highlighting tools
  • 🔒 Secure document storage

Room to improve

  • 🐛 Crashes and stability issues
  • 🔍 Poor search functionality
  • 📤 Difficulty sharing/exporting annotated files
  • 🤔 Unintuitive user interface

pdfFiller

From 8.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Makes virtual work easy
  • 💡 Great customer service/support
  • 👍 Simple and organized
  • 👍 Helpful for PDF management

Room to improve

  • 🐛 Buggy and glitchy
  • 💰 Expensive subscription
  • 🔒 Concerns about privacy and security
  • 🤥 Misleading/deceptive advertising
  • 🔒 Difficult to cancel subscription

Bugs and requests

PDF Reader Pro Edition®

Reported bugs

4 issues
  • App crashes when opening certain PDF files
  • Annotations disappear or fail to save
  • Compatibility issues with newer iOS versions
  • Slow performance on older iPad models

Requested features

4 requests
  • Add support for password-protected PDFs
  • Improve annotation tools with better undo/redo
  • Implement cloud storage integration (Dropbox, iCloud, etc.)
  • Add ability to insert, delete, and rearrange PDF pages

pdfFiller

Reported bugs

4 issues
  • Text/annotations not saving correctly
  • Freezing/crashing issues
  • Incompatibility with certain devices
  • Login/account issues

Requested features

5 requests
  • Undo/redo functionality
  • Ability to control opacity of annotations
  • Better file management options
  • Improved mobile experience
  • Clearer pricing and subscription details

In-app purchases

None

PDF Reader Pro Edition®

No in-app purchases

10 purchases

pdfFiller

Subscriptions10
  • PDF editor • Basic Monthly$19.991 Month
  • PDF editor • Basic Monthly7 Days trial$19.991 Month
  • PDF editor • Plus Monthly$29.991 Month
Show 7 more
  • PDF editor • Plus Monthly7 Days trial$29.991 Month
  • PDF editor • Premium Monthly7 Days trial$39.991 Month
  • Premium Monthly$39.991 Month
  • PDF editor • Basic Annual7 Days trial$95.991 Year
  • PDF editor • Basic Annual$95.991 Year
  • PDF editor • Plus Annual7 Days trial$119.991 Year
  • PDF editor • Premium Annual7 Days trial$179.991 Year

Questions

Is PDF Reader Pro Edition® free?
PDF Reader Pro Edition® costs $1.99, with no in-app purchases.
Is pdfFiller free?
pdfFiller is free to download, with in-app purchases available.
Which has better reviews, PDF Reader Pro Edition® or pdfFiller?
PDF Reader Pro Edition® and pdfFiller are both rated 4.4 out of 5 on the App Store, from 1.7K and 8.5K ratings respectively.
Do PDF Reader Pro Edition® or pdfFiller have ads?
Neither PDF Reader Pro Edition® nor pdfFiller shows ads.
Which is updated more often, PDF Reader Pro Edition® or pdfFiller?
PDF Reader Pro Edition® ships an update every 4 months, and pdfFiller fortnightly. Most recently, PDF Reader Pro Edition® was updated on September 24, 2026 and pdfFiller on September 24, 2026.
Which is more popular, PDF Reader Pro Edition® or pdfFiller?
PDF Reader Pro Edition® currently peaks at #126 in the App Store charts, and pdfFiller at #59. Chart position reflects recent download velocity rather than total install base.

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