PocketBook Reader vs Frankenstein
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Supports 26 book and audio formats
- PDF Reflow function
- Text-to-speech engine
- Cloud synchronization service
- Customizable interface and reading settings
- Adobe DRM support
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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.
Frankenstein
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The laboratory is ready. The experiment begins now. A young scientist discovers the secret of life and builds a creature from the dead. What begins as ambition becomes horror. Letters, journals, and confessions tell the story from every side. You live through every chapter. Then the experiment begins. 29 CHAPTERS. 58 SCENARIOS. THE EXPERIMENT BEGINS. 8 GAMES. ENDLESS REPLAY. Sliding Puzzle. Reassemble Gothic cover art, tile by tile. Memory Match. Flip cards and find matching pairs from the laboratory. Guess the Chapter. See a cover, name the chapter. Two Truths & a Lie. Spot the false statement hidden among truths. Who Said It? Match quotes to the right chapter. Name That Chapter. Identify chapters from character clues. Chapter Compass. Connect chapter themes to their stories. Character Match. Link characters to their chapters. Story Spinner. Spin and land on a random chapter. Every game pulls from all 29 chapters. Every round is different. WHY PLAYERS LOVE IT New rounds every time you play. No two games are the same. Puzzles challenge your eye for detail. Memory match sharpens your brain. Trivia tests what you really remember. Gothic cover art on every card. Instant feedback after every answer. No loading screens. No waiting. Just tap and play. PLAY ANYTIME, ANYWHERE No internet needed. No login required. Open the app and start playing in seconds. On the bus, in bed, waiting in line. Your games, your pace, your experiment. Read a chapter. Absorb the horror. Then face scenarios woven into the narrative. One correct answer. Get it right and earn XP. Get it wrong and discover exactly what you missed. Some choices seem obvious. Some will haunt you. All of them pull you deeper into the experiment. LISTEN AFTER DARK Put on your headphones and let the story read itself to you. Every chapter plays as continuous narration, one after another, on your commute, in bed, or before you sleep. Background playback, lock screen controls, with adjustable narration voice and speed. 25 CHARACTERS. NONE OF THEM ARE SAFE. Victor. The Creature. Elizabeth. Walton. Clerval. Justine. Each one has a role in the tragedy. Browse detailed profiles, track who appears in which chapter, and discover connections you missed. The more you know, the more you see the web tightening. LEVEL UP FROM READER TO PROMETHEUS Every correct answer earns XP. Climb through 5 ranks: Reader, Student, Philosopher, Alchemist, Prometheus. Unlock achievements. Build a daily streak. Watch your progress grow across all 29 chapters. This is not reading. This is an experiment. DAILY CHALLENGE One new scenario every day from across all 29 chapters. Quick. Dark. Addictive. How long can you survive without a failed experiment? EXPLORE THE GOTHIC WORLD 227 glossary terms covering archaic language, science, philosophy, nautical terms, and the dark corners of Romantic-era Europe. 141 timeline events that track the tragedy chapter by chapter. 55 locations from Geneva to Ingolstadt to the Arctic. 10 curated reading paths for thematic journeys. The deeper you go, the darker it gets. BEAUTIFUL. OFFLINE. YOURS. Pure black OLED dark mode with Galvanic Green accents. Gothic atmosphere on every screen. No ads. No distractions. Just you and the experiment. START FREE. UNLOCK EVERYTHING. Browse all 29 chapters, read what each one is about, and explore every character, glossary term, timeline event, location and reading path for free. Spin the Story Spinner and take on a new daily challenge every day. A membership opens the chapters themselves: all 29, all 58 scenarios, all 8 games, and audiobook narration for every chapter. Choose monthly, yearly, or one payment for lifetime access. No ads. Ever. The laboratory is waiting. Begin the experiment. SUPPORT Questions or feedback? support@stackbase.space Privacy: https://pages.stackbase.space/frankenstein/privacy-policy Terms: https://pages.stackbase.space/frankenstein/terms-of-service
Screenshots
Verdict
The clearest difference is chart position: PocketBook Reader at #172 against Frankenstein's unranked. PocketBook Reader also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). Frankenstein's advantage is update cadence (monthly vs every 2 months). On price, ads 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
Both are free to download. PocketBook Reader sells 10 one-off in-app purchases and Frankenstein sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
PocketBook Reader ships an update every 2 months, Frankenstein monthly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | PocketBook Reader | Frankenstein |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (10K ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 10K — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #172 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 106 MB | 95 MB |
| Age rating | 9+ | 12+ |
| Developer | Pocketbook International SA | Metin Ata YETER |
Bugs and 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
Frankenstein
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PocketBook Reader
- eBook$0.99
- eBook (class A)$0.99
- eBook (class B)$1.99
Show 7 moreShow fewer
- eBook$2.99
- eBook (class D)$3.99
- eBook: type 7.09$5.99
- eBook$6.99
- eBook: type 10.9$9.90
- eBook$9.99
- eBook: type 12.99$11.99
Frankenstein
- Monthly$5.991 Month
- Yearly$35.991 Year
- Lifetime$49.99







