Comparison

ezPDF Reader vs PDFlow

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

Head to head
About

ezPDF Reader

This app allows users to view and interact with PDF documents, including multimedia playback and form filling. It offers robust annotation tools compatible with Adobe Acrobat and supports text reflow for comfortable reading on mobile devices.

Highlights
  • Multimedia PDF playback (audio & video)
  • Interactive PDF form filling
  • Comprehensive annotation tools
  • Text reflow and customizable viewing
  • Text-to-Speech (TTS) functionality
  • Password-protected PDF support
Features
Currently charting
Read full description

ezPDF Reader is the world's first and only PDF viewer with the embedded multimedia (audio & video) playing capability. Easy annotations and PDF form-filling features are widely used. For iPad Users, please download the iPad version in AppStore. https://itunes.apple.com/us/app/ezpdf-reader-pdf-reader-annotator/id407445075?mt=8 For the business use of this advanced technology, content developments or interactive eBook productions, please contact us for our SDK library / API at info@unidocs.com ● High-Quality Text-to-Speech (TTS) Features - TTS Feature is added with In-App Purchase option. Supporting English, Chinese, Japanese & Korean. - Please turn off the silent mode to hear from the speaker. ● Multimedia PDF Viewer - Audio and Video ezPDF Reader is designed specifically for PDF documents and contents, but also able to play multimedia files embedded into PDF. (Multimedia file format must be compatible to your iOS device) It is the perfect solution for PDF based audio/video-enabled eBooks. ● PDF Form Filler If the PDF file is designed with the PDF-form features, you can simply type in the form field and apply marks on buttons. Import data and export data. Fill out your form, sign, flatten, and then send via email. ● Annotation Features on PDF The useful tool to add text in text box and sticky notes; highlight, underline, or cross out texts; draw lines, arrows, rectangles, ovals, free text, image and freehand drawings. Add memo, change color/thickness, resize and move them around as you like. All these comments are compatible with Adobe® Acrobat®. (PC or Mac version) - Show, import, export and email annotation list - Flatten annotations - show and hide annotation toolbar * Important - In order to use annotations and PDF Form features, you need to change the Viewing mode to "Slow/More" from the settings. ● Customized Viewing Documents appear as they would be on your PC, but customized to fit your mobile device's screen. Scanned and text based PDFs are all supported, including JPEG2000 and JBIG2 compression. (Must set PDF viewing option as Slow/More from Settings) Select Text Reflow, Fit to Text Column, Copy and Paste text in PDF view and bookmark as you go. PDF Form to fill in, check buttons, and choose from a list. Play embedded multimedia files of audio and video files (Must be iOS compatible) Annotation features - Apply highlight, underline or cross-over for the selected text. Add Sticky Note, Oval, Rectangle, Line, Free Text, Image. Embedded hyperlinks are live (Go To Page and URLs) Smart zooming by double-tapping to fit block width Pinch and Double Tap - Zoom IN/Out Text Selection or Markup Annotation and then Copy, Web Search, or send to Email Thumbnail Image View Text reflow with font size, color & font style (bold & italic) Night reading mode supported for PDF view, Text Reflow Text search and highlighted result Open standard password-protected PDF files Jump to a specific page by its page number Outlines Bookmarks Landscape view Annotations list/reply view Annotations import/export/email Page scroll vertical/horizontal Page read direction from left to right/from right to left Page Crop Page Slide Show PDF File Attachment ● Support for other file formats Supports Microsoft Office, Audio (mp3, wav, aac, aa, aiff), Video (mp4, mov, mpv, 3gp), Images, Zipped Images, Text and HTML, Annotations XML files ● Functions for File Management File List View Sorting by Name/ Date/ File Size File Search by File Name List of the Recently-Viewed PDF Files Various File Transfer to Device – USB Transfer via iTunes, WiFi Connection, URL Link, Download Interaction with clouding services - G-Docs, Dropbox Convenient File Management - Folder Creation/Copy/Cut/Paste/Delete/Rename twitter.com/ezpdf facebook.com/ezpdf

About

PDFlow

Features
Read full description

PDFlow Scan AI transforms your iPhone or iPad into a professional document scanner and PDF manager. Whether you're digitizing important papers, organizing receipts, or creating searchable PDFs, our app provides all the tools you need in one seamless experience. POWERFUL SCANNING CAPABILITIES Turn any document into a high-quality PDF with just a few taps. Our intelligent camera technology automatically detects document edges, enhances text clarity, and corrects perspective distortion. Scan multiple pages to create comprehensive PDF documents perfect for contracts, reports, or study materials. Key scanning features: • Auto-edge detection and perspective correction • Multiple page scanning with easy reordering • Image enhancement for crystal-clear text • Instant PDF creation from photos or camera SMART DOCUMENT MANAGEMENT Keep your digital documents organized and accessible. Our intuitive file management system lets you browse, search, and organize PDFs effortlessly. Create folders, rename files, and find any document in seconds. Organization features: • Quick document search and filtering • Easy rename and delete functions • Share documents • Secure local storage with iCloud backup support PROFESSIONAL PDF VIEWER Experience PDFs like never before with our feature-rich viewer. Navigate large documents with ease, search for specific content, and customize your reading experience. Perfect for reviewing contracts, studying materials, or reading reports on the go. Viewer capabilities: • Full-text search with highlighting • Thumbnail navigation for quick page access • Page picker for jumping to specific sections • Multiple display modes: single page, continuous, or two-page view • Page rotation for landscape documents • Zoom controls for detailed viewing PREMIUM FEATURES Unlock the full potential of PDFlow Scan AI with our Premium subscription: • OCR Technology: Convert scanned images into searchable and editable text. Extract information from receipts, business cards, or any printed material • AI-Enhanced Processing: Improve scan quality automatically with intelligent image enhancement • Batch Processing: Handle multiple documents simultaneously for increased productivity • Advanced Export Options: Save in various formats and resolutions • Priority Support: Get help when you need it most • Ad-Free Experience: Focus on your work without distractions BUILT FOR PROFESSIONALS AND STUDENTS PDFlow Scan AI adapts to your workflow needs: • Business professionals: Digitize contracts, invoices, and business cards • Students: Scan textbooks, notes, and assignments • Travelers: Keep digital copies of important documents • Home users: Organize warranties, receipts, and personal papers PRIVACY AND SECURITY Your documents are your business. All files are stored locally on your device with optional encrypted iCloud backup. We never access or share your personal documents. Face ID/Touch ID support adds an extra layer of security. SUBSCRIPTION OPTIONS Choose the plan that works for you: • Monthly Premium: Full access with flexible monthly billing • Annual Premium: Best value with significant savings Both plans include: Unlimited OCR processing All premium features Regular updates and improvements Cancel anytime WHY CHOOSE PDFLOW SCAN AI? • Intuitive Design: Clean, modern interface that's easy to navigate • Fast Performance: Optimized for all iOS devices • Regular Updates: Continuous improvements based on user feedback • Reliable Support: Dedicated team ready to help • No Hidden Fees: Transparent pricing with no surprises PDFlow Scan AI is more than just a scanner – it's your complete document management solution. From capturing documents to organizing and sharing them, we've streamlined every step of the process. Join thousands of users who've made PDFlow Scan AI their go-to document scanner. Download today and experience the difference professional-grade scanning can make in your daily workflow.

Screenshots

ezPDF Reader4 screens
PDFlow4 screens

Verdict

The call

The clearest difference is price: PDFlow at Free against ezPDF Reader's $1.99. PDFlow also leads on in-app purchases (none vs 4). ezPDF Reader's advantage is ads (none vs shown) and chart position (#84 vs unranked). On 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

PDFlow is free to download; ezPDF Reader costs $1.99 up front. ezPDF Reader sells 4 one-off in-app purchases. PDFlow asks for nothing beyond the download.

Scorecard5 real differences · 6 level
ezPDF Reader versus PDFlow: the parameters behind the verdict, then further details
ParameterezPDF ReaderPDFlow
Price$1.99Free — better
Rating1.3 (29 ratings) — better—
Positive reviews20.7% of reviews—
Number of ratings29 — better—
Update frequencyEvery 2 weeks—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#84 — better—
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better17.6
Further details — not scored
Size534 MB9 MB
Age rating4+17+
DeveloperUnidocs Inc.David Villegas

Bugs and requests

ezPDF Reader

Reported bugs

31 issues
  • App crashes on launch
  • App crashes when rotating to landscape mode
  • TTS feature not working after purchase
  • Cannot download purchased features
  • Files disappear or are not saved
Show 26 more
  • Cannot copy files
  • Dropbox/Google Drive integration fails
  • Audio playback issues
  • Interface language changes unexpectedly
  • In-app purchase verification failed
  • App closes when rotating device
  • Annotation toolbar not dismissible
  • Cannot delete pages
  • Annotations do not save
  • Bookmarks disappear or go to wrong pages
  • Cannot flatten forms
  • App does not recognize itself as a PDF reader in Safari
  • Embedded videos not playing
  • Cannot fill or save forms
  • UI is awkward and clunky
  • App size is excessively large
  • Text reflow issues
  • Night mode is missing
  • Cannot access night mode
  • Audio playback stops when turning pages
  • Pre-caching ability lacking
  • Cannot use pencil icon to save changes without crashing
  • Dialogue box for Dropbox login unavailable
  • Password cannot be filled in
  • Some buttons do not work
  • EZPDF files cannot be read

Requested features

19 requests
  • Update for iOS 10 compatibility
  • Improve UI/UX
  • Add WebDAV/FTP synchronization
  • Fix landscape mode crashes
  • Add floating audio player
Show 14 more
  • Add A-B repeat feature
  • Enable dictionary usage
  • Add snapshot, fax, SNS sending features
  • Allow direct file movement to folders
  • Add 'open in other app' functionality
  • Fix crop mode
  • Support for French voice
  • Fix bug with copying from inbox
  • Allow locking screen rotation
  • Improve TTS voice clarity
  • Allow TTS to speak single words
  • Add night mode (was present, then removed)
  • Improve form filling functionality
  • Support for Unicode text reflow

PDFlow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

ezPDF Reader

One-time4
  • TTS Korean HCILAB: Yujin$2.99
  • TTS Japanese HCILAB: Naomi$2.99
  • TTS English HCILAB: Sarah$2.99
Show 1 more
  • TTS Chinese HCILAB: Xiaoling$2.99
None

PDFlow

No in-app purchases

Questions

Is ezPDF Reader free?
ezPDF Reader costs $1.99, and also offers in-app purchases.
Is PDFlow free?
PDFlow is free to download, with no in-app purchases.
Do ezPDF Reader or PDFlow have ads?
PDFlow shows ads; ezPDF Reader does not.

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