Comparison

PDF Cabinet vs PDF Reader Pro

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

Head to head
About

PDF Cabinet

This application offers a streamlined PDF experience for reading and annotating documents. It focuses on essential features with an intuitive interface, making it easy to mark up PDFs, share annotations, and collaborate in real-time with others. Optimized for performance, it handles large documents efficiently.

Highlights
  • Effortless PDF annotation
  • Intuitive user interface
  • Fast document review with thumbnails
  • Annotations sharing
  • Real-time collaboration
  • Quick note taking
Features
Read full description

THINGS WE ARE PROUD OF - Really effortless PDF annotation - Only the most essential functionality - don't lose yourself in hundreds of buttons - Intuitive user interface that allows you to do exactly what you want - Fast and easy document skimming and review with thumbnails sidebar - Ultimate performance – optimized for really large documents (within reason, of course) - Annotations sharing - send annotated documents to anyone, and mark up will show up in any other reader - Interaction with other Cabinet users - send annotations only to your friends or colleagues using Cabinet – much faster, less traffic - Real-time collaboration with your friends or colleagues – annotate the same document together from several iPads EVEN MORE GREAT THINGS IN CABINET - Amazing and intuitive dynamic annotation menu - Empty notebooks for quick note taking or doodling - Pen and Paper Games for relaxing during non-working hours - Sending multiple documents attached in a single e-mail - Easy work with various document formats - such as .doc, .xls, .ppt and others Did we tell you already that Cabinet is really easy to use? Try it out yourself!

About

PDF Reader Pro

Experience PDFs in an extraordinary 3D view with this pro PDF reader. It offers a unique 3D book-like reading experience with light and dark modes, and supports both portrait and landscape orientations. Easily share your documents with other applications.

Highlights
  • 3D PDF reading experience
  • Light and Dark Mode support
  • Portrait and Landscape orientation
  • Open Source
  • Share PDFs to other apps
Features
Read full description

Name says 3D it is a pro PDF viewer in many ways and give you extra ordinary 3D experience. Compared to other PDF viewers, PDF Viewer 3D gives great user experience and with dark and light Mode Key features : - Read Pdf Like 3D book. - Give you 3D experience. - Open Source. - Portrait and Landscape both mode supported. - Support Light-Dark Mode. - Share Pdf into Other apps like WhatsApp, Facebook and many more.

Screenshots

PDF Reader Pro3 screens

Verdict

The call

The clearest difference is ads: PDF Cabinet at none against PDF Reader Pro's shown. PDF Cabinet also leads on update cadence (every 5 weeks vs every 4 months) and monetization model (free vs ad-supported). On price, rating, review sentiment and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.8 for PDF Cabinet against 3.6 for PDF Reader Pro. That said, the two scores are not equally well evidenced: PDF Cabinet has 57 ratings behind it against 8, so its average is the more settled of the two. Written reviews split almost evenly too, at 66% and 67% positive.

UpkeepUpdate frequency

PDF Cabinet ships an update every 5 weeks, PDF Reader Pro every 4 months. The most recent releases landed on October 23, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Cabinet versus PDF Reader Pro: the parameters behind the verdict, then further details
ParameterPDF CabinetPDF Reader Pro
PriceFreeFree
Rating3.8 (57 ratings) — better3.6 (8 ratings)
Positive reviews66.1% of reviews66.7% of reviews — better
Number of ratings57 — better8
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size75 MB8 MB
Age rating4+4+
DeveloperBright Nine SIANirav Parmar

Customer experience

PDF Cabinet

All ratings55 ratings
Positive67.3%
Neutral10.9%
Negative21.8%
Written reviews127 reviews
Positive66.1%
Neutral14.2%
Negative19.7%

PDF Reader Pro

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews9 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

PDF Cabinet

Reported bugs

5 issues
  • Randomly deleting files
  • Sync issues causing loss of annotations
  • Crashing when opening large documents
  • Navigation problems when zoomed in
  • Annotations not exporting properly

Requested features

7 requests
  • Add more highlighter and pen color options
  • Implement palm rejection for Apple Pencil
  • Add ability to resize and move annotation tools
  • Improve cloud/sync functionality (iCloud, Dropbox, etc.)
  • Implement vertical scrolling for continuous reading
Show 2 more
  • Add text box annotation feature
  • Improve export/sharing options for annotated documents

PDF Reader Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PDF Cabinet

No in-app purchases

None

PDF Reader Pro

No in-app purchases

Questions

Is PDF Cabinet free?
PDF Cabinet is free to download, with no in-app purchases.
Is PDF Reader Pro free?
PDF Reader Pro is free to download, with no in-app purchases.
Which has better reviews, PDF Cabinet or PDF Reader Pro?
PDF Cabinet is rated higher. PDF Cabinet averages 3.8 out of 5 from 57 ratings, while PDF Reader Pro averages 3.6 from 8 ratings.
Do PDF Cabinet or PDF Reader Pro have ads?
PDF Reader Pro shows ads; PDF Cabinet does not.
Which is updated more often, PDF Cabinet or PDF Reader Pro?
PDF Cabinet ships an update every 5 weeks, and PDF Reader Pro every 4 months. Most recently, PDF Cabinet was updated on October 23, 2026 and PDF Reader Pro on November 3, 2026.

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