Comparison

PDF Reader vs Read4Me

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

Head to head
About

PDF Reader

Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.

Highlights
  • Edit PDF text directly
  • Convert PDF to Word, Excel, PPT, images
  • OCR for text extraction from scans
  • Fill and sign PDF forms
  • Secure PDFs with passwords and watermarks
  • Annotate PDFs with highlights and notes
  • Merge and split PDF files
Features
Read full description

KDAN PDF, formerly KDAN PDF Reader, is a mobile PDF editor and reader for iPhone, iPad, and Mac. Edit text directly on your device. Then scan, organize, convert, sign, and share your PDFs in one simple and powerful app. Trusted by millions, KDAN PDF connects your workflow across iPhone, iPad, and Mac, making it easy to review, annotate, and finalize documents anywhere. Who Recommends Us? - Featured as “10 Essentials” in Utility on iTunes - Featured in “10 Best PDF Reader Apps For iPhone & iPad 2019” by FOSSBYTES - Featured as “Best Utility App” in App Store Rewind KEY FEATURES PDF EDITOR • Edit and correct any typos directly on PDFs • Merge multiple files into one PDF • Split a large PDF into several small PDFs • Rotate, delete, add, and rearrange pages • Extract pages or images from PDFs • Change PDF background color PDF CONVERTER • Online & Offline PDF converter • Convert PDF to Word, Excel, PPT & image conversions (docx, xlsx, pptx, jpg, png, gif & bmp). • Save webpages and images as PDFs OCR (Optical Character Recognition) • Recognize and extract text from scans • Export OCR results as text or searchable PDFs • Support 50+ languages SIGN, FORM FILLING, SHARE • Fill out & edit PDF forms • Sign on PDFs • Customize and manage signatures SHARE FILES • Get files from KDAN Cloud, iCloud Drive, Dropbox, OneDrive, Google Drive, Evernote, FTP, or WebDAV client • Compress PDFs • Share flatten PDFs • Send faxes directly from within the app PDF SECURITY • Add passwords to lock PDFs • Remove passwords & restrictions from PDFs • Add & remove PDF watermarks • Validate certificates & signatures in PDF documents VIEW FILES • Supports all mainstream file formats, including Vitrium* PDF format (Like University of Phoenix Ebooks) • Text Reflow & Auto Flow • Present a PDF as a slideshow • View multiple PDFs as tabs • Dark mode supported (only for iOS13 & macOS Mojave and later) • Convert text to spoken audio (text-to-speech) ANNOTATE & REVIEW PDF • Annotate PDFs with highlights, underlines, strikeout text, shapes, sticky notes & text boxes • Add pre-designed stamps, including Approved, Sign Here, Confidential, and more • Add custom stamps with time and date information • Insert hyperlinks to external websites, target pages, and email address • Attach audio notes & insert images to PDFs • Turn handwriting into text with Scribble (Available for iPad) • Add handwritten notes to PDFs MANAGE ANNOTATIONS • Save annotations in XFDF format • Remove all annotations in one tap - Recommended by Techradar, Techworm & Softsonic UPGRADE OPTIONS DOCUMENT 365 • Try for $0.00 for 7 days • Access KDAN PDF on Mac, iPhone, iPad, and other platforms. • Annual plan: billed at USD 59.99/year after the 7-day free trial ends • Quarterly plan: billed at USD 19.99/quarter after 3-day free trial ends • Monthly plan: billed at USD 9.99/month after 3-day free trial ends Subscriptions will be charged to your Apple account upon purchase and will auto-renew 24 hours before the current period ends at the same price and duration. Cancellation during the active period is not allowed. Manage your trial and subscription in your Apple account. Terms of service: https://pdf-reader.kdandoc.com/terms-of-service Privacy Policy: https://pdf-reader.kdandoc.com/privacy-policy Got a question? Contact us at helpdesk@kdanmobile.com or check out https://support.kdanmobile.com

About

Read4Me

Transform any web page, PDF, or scanned document into an audio experience. Listen to content at your preferred speed with natural-sounding voices. Ideal for hands-free consumption of digital and physical text.

Highlights
  • Listen to web pages
  • Convert PDFs to audio
  • Scan and listen to books/papers
  • Read text from any app via clipboard
  • Import documents from cloud storage
  • Adjustable listening speed
  • Premium natural voice
Features
Read full description

Listen to web pages, PDF, Scan any book and listen to the book. Read4Me lets you listen to webpages turning any web page into a podcast. Never read long boring web sites or documents anymore. Listen to web pages, PDF's, Take a picture of any paper or book and convert it into audio book. Share text from any application using clipboard and convert it into audio to listen to natural voice. Top Features of Read4Me: 1) Listen to web pages. Navigate to any web sites and click on start reader to start reading the web page. 2) Listen to PDF's, Take Photo of any physical book or paper and convert to audio and listen at leisure. 3) Copy text from any app to clipboard and listen to the text. 4) Read documents from other apps like iCloud, Dropbox, Box, Google Drive, Microsoft One Drive by importing in to the app using document selector. 5) Listen to web sites, docs at the speed you are comfortable with. 6) Listen in premium natural smoothing voice always. The subscription lets you listen to premium voice (First 10K words free) The in-app purchase is charged to your iTunes account. The auto-renewal of subscription can be turned off via iTunes account settings after purchase. There are three options for in-app purchase namely are as follows A> Weekly subscription only for $4.99 gives 100K Characters of premium voice from text. B> Weekly subscription only for $9.99 gives 250K Characters of premium voice from text after 3 day free trial. C> Monthly subscription of $49.99 gives unlimited character of premium voice. The subscriptions automatically renew unless the subscription is canceled when the subscription period expires • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of use: http://www.dexati.com/iosterms.html Subscription Info : http://www.dexati.com/iossubscriptions.html

Screenshots

PDF Reader4 screens
Read4Me4 screens

Verdict

The call

PDF Reader and Read4Me both sit at 4.5 stars, but that hides the real split: 81% of PDF Reader's written reviews are positive against 28% of Read4Me's. On price, rating, ratings volume 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 Reader sells 10 in-app purchases, starting at $2.99 per month and Read4Me sells 5 in-app purchases, starting at $4.49 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 — 4.5 for PDF Reader against 4.5 for Read4Me. Both are backed by a comparable volume of ratings — 3.5K and 5.2K respectively. Written reviews are what separate them: 81% of PDF Reader's written reviews are positive against 28% of Read4Me's.

UpkeepUpdate frequency

PDF Reader ships an update every 2 months, Read4Me every 6 weeks. Both last shipped on October 20, 2026.

Scorecard1 real difference · 9 level
PDF Reader versus Read4Me: the parameters behind the verdict, then further details
ParameterPDF ReaderRead4Me
PriceFreeFree
Rating4.5 (3.5K ratings)4.5 (5.2K ratings)
Positive reviews80.8% of reviews — better27.7% of reviews
Number of ratings3.5K5.2K — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS13.0 — better14.0
Further details — not scored
Size190 MB57 MB
Age rating4+17+
DeveloperKdan Mobile Software LTDDexati

Customer experience

PDF Reader

All ratings3,542 ratings
Positive89.2%
Neutral2.7%
Negative8.2%
Written reviews2,196 reviews
Positive80.8%
Neutral4.8%
Negative14.4%

Read4Me

All ratings5,167 ratings
Positive87.6%
Neutral3.9%
Negative8.6%
Written reviews155 reviews
Positive27.7%
Neutral8.4%
Negative63.9%

User reviews

PDF Reader

From 3.5K App Store ratings

What we love

  • 👍 Good app
  • 🚀 Fast and efficient
  • 📚 Useful for reading PDFs
  • 🔒 Secure file storage
  • 💡 Helpful features like highlighting and annotation

Room to improve

  • 🐛 Crashes and freezes
  • 🔐 Locked files behind paywall
  • 💰 Expensive subscription
  • 📢 Intrusive ads
  • 🤯 Confusing and unintuitive UI

Read4Me

From 5.2K App Store ratings

What we love

  • 🚀 Turns web pages and PDFs into podcasts
  • 👍 Helpful for multitasking and consuming information on the go
  • 👍 Natural-sounding voices
  • 👍 Useful for people with reading difficulties like dyslexia

Room to improve

  • 🐛 Crashes and freezes frequently
  • 🐛 Unreliable performance, often stops reading unexpectedly
  • 🔋 High battery consumption
  • 💰 Extremely expensive subscription at $50/month
  • 💰 Free version is very limited and full of ads

Bugs and requests

PDF Reader

Reported bugs

3 issues
  • Unable to open or access saved files
  • Syncing and backup issues
  • Compatibility problems with newer iOS versions

Requested features

4 requests
  • Improved file management and organization
  • Better integration with cloud storage services
  • More customization options
  • Enhanced accessibility features

Read4Me

Reported bugs

3 issues
  • App crashes or freezes when trying to read documents
  • Inconsistent behavior when attempting to skip or rewind
  • Issues with scanning and importing documents properly

Requested features

3 requests
  • Add more voice options, including different accents
  • Improve navigation and ability to resume reading from where you left off
  • Reduce subscription cost to be more affordable

In-app purchases

10 purchases

PDF Reader

Subscriptions9
  • KDAN Cloud$2.991 Month
  • Deluxe Business Pack$5.991 Month
  • Creativity 3653 Days trial$9.991 Month
Show 6 more
  • Document 365 (Month)3 Days trial$9.991 Month
  • Deluxe PDF Pack for iPhone$12.993 Months
  • Creativity 365 - 3 Months3 Days trial$19.993 Months
  • Document 365 (Quarter)3 Days trial$19.993 Months
  • Deluxe PDF Pack for iPhone$39.991 Year
  • Document 3657 Days trial$59.991 Year
One-time1
  • Upgrade to Premium$2.99
5 purchases

Read4Me

Subscriptions5
  • Read4Me Premium Unlimited$4.497 Days
  • Read4Me Premium Unlimited3 Days trial$9.997 Days
  • Read4Me Premium Unlimited$49.991 Month
Show 2 more
  • Read4Me Monthly Unlimited3 Days trial$49.991 Month
  • Read4Me Premium Unlimited$149.991 Year

Questions

Is PDF Reader free?
PDF Reader is free to download, with in-app purchases available.
Is Read4Me free?
Read4Me is free to download, with in-app purchases available.
Which has better reviews, PDF Reader or Read4Me?
PDF Reader and Read4Me are both rated 4.5 out of 5 on the App Store, from 3.5K and 5.2K ratings respectively.
Do PDF Reader or Read4Me have ads?
Neither PDF Reader nor Read4Me shows ads.
Which is updated more often, PDF Reader or Read4Me?
PDF Reader ships an update every 2 months, and Read4Me every 6 weeks. Most recently, PDF Reader was updated on October 20, 2026 and Read4Me on October 20, 2026.

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