Comparison

Chess Studio vs PocketBook Reader

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

Head to head
About

Chess Studio

Read chess books and instantly play through moves on screen. This app allows you to interact with chess e-books, automatically scrolling text and displaying positions on a board. Navigate variations, search content, and customize your reading experience.

Highlights
  • Play over moves on screen
  • Automatic text scrolling
  • Tap moves to display position
  • Navigate complex variations
  • Searchable content
  • Choice of layout options
Features
Read full description

Ever wanted to read your favourite chess books and be able to instantly play over the moves on screen? The revolutionary new Chess Studio, from renowned chess publishers Gambit, enables you to do that, and more. After downloading the free app, purchase your choice of classic chess e-books from the Gambit library and begin. • text laid out in usual clear Gambit style • play over moves and variations on screen • accompanying text scrolls automatically • tap any chess move and the position appears on the board • easily navigate through complex variations • search function for words, phrases, player names • move swiftly between games and chapters • choice of layout options - including flip board • free sample text available to try out the app Chess Studio represents an enjoyable and portable new way of reading chess books, designed by chess players for chess players. Overseeing every aspect of the app design was Grandmaster John Nunn, one of the best-respected figures in the chess world and three-times World Chess Solving Champion.

About

PocketBook Reader

This app is a versatile reader supporting 26 book and audio formats, including EPUB, PDF, and audiobooks. It offers features like PDF reflow, text-to-speech, cloud synchronization, and extensive customization options for a comfortable reading experience.

Highlights
  • Supports 26 book and audio formats
  • PDF Reflow function
  • Text-to-speech engine
  • Cloud synchronization service
  • Customizable interface and reading settings
  • Adobe DRM support
Features
Currently charting
Read full description

PocketBook Reader is a free app for reading all formats (books, magazines, textbooks, comic books, etc.) and listening to audiobooks! The application supports 26 book and audio formats, including mobi, epub, fb2, cbz, cbr. Read without ads and with total comfort! Choose any content - any format! • Support of 19 book formats, including the most popular - EPUB, FB2, MOBI, PDF, DJVU, DOCX, RTF, TXT, HTML; • Comic book formats CBR and CBZ; • Open books protected with Adobe DRM (PDF, EPUB); • PDF Reflow function (reflow text in PDF files). Listen to audiobooks! • You can listen to audiobooks and other audio files in MP3, M4B, and take notes in them; • Built-in TTS (Text-to-speech) engine for the voicing of the text files. Download and sync content easily! • Free PocketBook Cloud service for synchronizing all your books, including audiobooks, as well as reading positions, notes and bookmarks on all your devices; • Your files from Dropbox or Google Books services are easily connected to the app to create one consolidated library. You can even connect multiple accounts at the same time; • Support for OPDS catalogs - get access to network libraries; • ISBN scanner, for quick search of electronic versions of books by barcode; • Opportunity to borrow books and periodicals; • If you have a E Ink e-reader PocketBook, you can easily synchronize all your books and accounts just by scanning a QR code. Ready to switch from another app? No problem! Getting started with PocketBook Reader is easy! With an intuitive interface, the application provides you with unprecedented freedom – lots of options for settings and no restrictions. Choose, change, customize, and personalize! • Intuitive interface, easy navigation, and minimalistic design; • Opportunity to choose one of the seven interface color themes, reassign the buttons and display areas; • Two night-reading modes - for better reading comfort anytime; • Adjust the font style, font size, line spacing, and margin size; • Animation of turning pages; • Opportunity to crop margins – make the page look exactly the way you want. Get fast file access and easy search! • All files are quickly found and instantly opened, even with built-in audio and video fragments; • Your books will never be lost in the device’s memory - thanks to the smart search, scanning files on your tablet or smartphone is a matter of seconds. Any file or document can be found in a few clicks! • The app allows you to sort books, create collections, filter and mark files as you like. Your library - your rules; • Convenient managing of audio files - it is easy to sort and play your audiobooks. Make bookmarks, take notes, add comments! • You can quickly find all your notes and share them with friends via email or messengers; • Collect all your notes, bookmarks, and comments into separate files for even greater convenience. PocketBook Reader was created by avid readers for avid readers, and that’s why it’s probably the best e-book reader app.

Screenshots

Chess Studio4 screens
PocketBook Reader4 screens

Verdict

The call

The clearest difference is chart position: PocketBook Reader at #156 against Chess Studio's unranked. Chess Studio's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, update cadence 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. Chess Studio sells 23 one-off in-app purchases and PocketBook Reader sells 41 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 9 level
Chess Studio versus PocketBook Reader: the parameters behind the verdict, then further details
ParameterChess StudioPocketBook Reader
PriceFreeFree
Rating—4.5 (9.8K ratings) — better
Positive reviews60.0% of reviews — better54.5% of reviews
Number of ratings—9.8K — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#156 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size11 MB106 MB
Age rating4+9+
DeveloperGambit PublicationsPocketbook International SA

Customer experience

Chess Studio

Written reviews30 reviews
Positive60.0%
Neutral6.7%
Negative33.3%

PocketBook Reader

All ratings9,831 ratings
Positive87.4%
Neutral3.9%
Negative8.7%
Written reviews1,336 reviews
Positive54.5%
Neutral11.8%
Negative33.8%

Bugs and requests

Chess Studio

Not enough reviews yet to summarise bugs or requests.

PocketBook Reader

Reported bugs

4 issues
  • Books disappearing from library after login issues
  • Inability to open DRM-protected PDFs
  • Inconsistent behavior when switching between portrait and landscape modes
  • Text-to-speech voice quality issues

Requested features

5 requests
  • Ability to organize books into custom folders
  • Option to disable quick action zones
  • Improved text-to-speech controls (seek, pause, etc.)
  • Support for handwritten annotations with Apple Pencil
  • Faster page turning and scrolling

In-app purchases

23 purchases

Chess Studio

One-time23
  • Gambit Free SamplesFree
  • How to Beat Your Dad at Chess$9.99
  • Win with the Stonewall Dutch$9.99
Show 20 more
  • 50 Essential Chess Lessons$10.99
  • Idiot-Proof Chess Repertoire$10.99
  • Win with the London System$11.99
  • Learn Chess Tactics$11.99
  • Understanding the Chess Openings$11.99
  • A Simple Chess Opening Repertoire for White$11.99
  • Understanding Chess Endgames$13.99
  • Understanding Chess Middlegames$13.99
  • Understanding Chess Move by Move$13.99
  • Secrets of Modern Chess Strategy$13.99
  • Mastering the Chess Openings Volume 1$13.99
  • Mastering the Chess Openings Volume 2$13.99
  • A Strategic Chess Opening Repertoire for White$14.99
  • John Nunn's Chess Course$14.99
  • Fundamental Chess Openings$14.99
  • Fundamental Chess Endings$14.99
  • How to Play Chess Endgames$14.99
  • Nunn's Chess Endings Volume 1$14.99
  • Nunn's Chess Endings Volume 2$14.99
  • Mammoth Book of Greatest Games$14.99
41 purchases

PocketBook Reader

One-time41
  • eBook3 variants$0.99
  • eBook (class A)$0.99
  • eBook2 variants$1.99
Show 38 more
  • eBook (class B)$1.99
  • eBook$2.95
  • eBook2 variants$2.99
  • eBook (class C)$2.99
  • eBook3 variants$3.99
  • eBook: type 4.79$3.99
  • eBook: type 4.19$3.99
  • eBook (class D)$3.99
  • eBook (class Alt5)$4.99
  • eBook: type 5.39$4.99
  • eBook (class F)$4.99
  • eBook: type 5.89$4.99
  • eBook$4.99
  • eBook: type 5.09$4.99
  • eBook (class G)$5.99
  • eBook2 variants$5.99
  • eBook: type 7.09$5.99
  • eBook: type 7.19$5.99
  • eBook: type 8.29$6.99
  • eBook: type 7.59$6.99
  • eBook3 variants$7.99
  • eBook: type 8.89$7.99
  • eBook (class J)$8.99
  • eBook$8.99
  • eBook$9.90
  • eBook2 variants$9.99
  • eBook (class L)$10.99
  • eBook: type 13.9$11.90
  • eBook$11.99
  • eBook: type 12.99$11.99
  • eBook$12.99
  • eBook (class N)$12.99
  • eBook (class O)$13.99
  • eBook: type 17.9$14.90
  • eBook$14.99
  • eBook (class R)$16.99
  • eBook (class T)$18.99
  • eBook (class W)$21.99

Questions

Is Chess Studio free?
Chess Studio is free to download, with in-app purchases available.
Is PocketBook Reader free?
PocketBook Reader is free to download, with in-app purchases available.
Do Chess Studio or PocketBook Reader have ads?
Neither Chess Studio nor PocketBook Reader shows ads.
Which is updated more often, Chess Studio or PocketBook Reader?
Chess Studio ships an update every 2 months, and PocketBook Reader every 2 months. Most recently, Chess Studio was updated on September 9, 2026 and PocketBook Reader on September 24, 2026.

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