Comparison

pdf vs PDF Book Reader

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

Head to head
About

pdf

This app allows you to read and annotate PDF files on your iPhone with fast page turning and convenient finger-writing tools. Easily import PDFs and share your notes via email or cloud services.

Highlights
  • Fast PDF display and page turning
  • Finger-writing and annotation tools
  • Import PDFs via Dropbox, Email, iTunes
  • Categorized bookshelves with search
  • Export annotated PDFs
  • Password-protected bookshelves
Features
Read full description

Utilize pdf-notes to read pdf files on your iPhone. The fastest and convenient pdf-notes for iPad is now available for iPhone. 1. Fast display, quick page-turning even a thousand pages 2. Convenient finger-writings 3. Sharing notes by mail or clouds. - Categorized multiple bookshelves(booklists) with powerful search - Easy importing PDF files through (DropBox, Email or Safari's) "Open In..." or iTunes - Finger-writing with a variety of pens, highlighters, drawings, sticky or text notes - Outlines and bookmarks - Exporting annotated PDF files to mail or clouds - Protected bookshelves by a password - External display and AirPrint * please visit the support site for more information http://bit.ly/1gBUQV1 Blog http://bit.ly/1992293 Email musebook@musebook.com Twitter http://twitter.com/musebook4u YouTube http://youtu.be/_60pvYx6pT4 NOTE: All content contained herein is subject to change without notice.

About

PDF Book Reader

Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.

Highlights
  • Natural PDF reading and navigation
  • PDF bookmarking and annotation
  • Text search and OCR extraction
  • PDF merging and page rearrangement
  • Cloud storage integration (Google Drive, Dropbox, iCloud)
  • File import and export via cloud and Files app
  • PDF sharing and printing
Features
Read full description

PDF Book Reader app helps you easily and naturally read PDF books and documents. It works as smooth as reading web pages in web browsers. PDF Book Reader is the best app to read, manage and annotate PDF Books and it works beautifully on iOS 14. The most powerful PDF Book reader, carefully designed and optimized specially for the iPhone & iPad. [ KEY FEATURES ] • Naturally read and navigate PDF books • Bookmark PDF e-Books • Annotate PDF e-Books • Search texts in entire PDF files • Extract texts by using OCR • Merge PDF files • Rearrange PDF pages by drag & drop • Connect with Google Drive, Dropbox, iCloud, Photos • Import files from Files, Photos, Google Drive, Dropbox • Automatically and securely save PDF files in Files app • Share PDF files via email, text (sms), cloud solutions • Print PDF files [ Upgrade to subscription version ] Upgrading to subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything.

Screenshots

pdf4 screens
PDF Book Reader4 screens

Verdict

The call

The clearest difference is update cadence: PDF Book Reader at every 5 days against pdf's every 5 weeks. PDF Book Reader also leads on review sentiment (61% vs 49%) and device support (3 vs 1). On price, rating, ratings volume and ads 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 sells 3 one-off in-app purchases and PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month. 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 — 4.0 for pdf against 3.9 for PDF Book Reader. Both are backed by a comparable volume of ratings — 17 and 31 respectively. Written reviews are what separate them: 49% of pdf's written reviews are positive against 61% of PDF Book Reader's.

UpkeepUpdate frequency

pdf ships an update every 5 weeks, PDF Book Reader every 5 days. The most recent releases landed on July 10, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 6 level
pdf versus PDF Book Reader: the parameters behind the verdict, then further details
ParameterpdfPDF Book Reader
PriceFreeFree
Rating4.0 (17 ratings) — better3.9 (31 ratings)
Positive reviews48.6% of reviews61.1% of reviews — better
Number of ratings1731 — better
Update frequencyEvery 5 weeksEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size109 MB46 MB
Age rating4+4+
DeveloperAMuseTec Co., Ltd.B TO J PTY LTD

Customer experience

pdf

All ratings17 ratings
Positive76.5%
Neutral11.8%
Negative11.8%
Written reviews70 reviews
Positive48.6%
Neutral14.3%
Negative37.1%

PDF Book Reader

All ratings31 ratings
Positive74.2%
Neutral3.2%
Negative22.6%
Written reviews18 reviews
Positive61.1%
Neutral0.0%
Negative38.9%

In-app purchases

3 purchases

pdf

One-time3
  • 2-Month Pass$0.99
  • 1-Year Path$2.99
  • Lifetime License$4.99
2 purchases

PDF Book Reader

Subscriptions2
  • 1 Month Subscription$3.991 Month
  • 1 Year Subscription$28.991 Year

Questions

Is pdf free?
pdf is free to download, with in-app purchases available.
Is PDF Book Reader free?
PDF Book Reader is free to download, with in-app purchases available.
Which has better reviews, pdf or PDF Book Reader?
pdf is rated higher. pdf averages 4.0 out of 5 from 17 ratings, while PDF Book Reader averages 3.9 from 31 ratings.
Do pdf or PDF Book Reader have ads?
Both pdf and PDF Book Reader show ads.
Which is updated more often, pdf or PDF Book Reader?
pdf ships an update every 5 weeks, and PDF Book Reader every 5 days. Most recently, pdf was updated on July 10, 2026 and PDF Book Reader on September 13, 2026.

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