FBReader vs Demchog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FBReader
A fast and versatile e-book reader supporting multiple formats like ePub, Kindle, and fb2. It offers cloud syncing for reading progress and a customizable interface. Upgrade to unlock unlimited library access and advanced features.
- Supports ePub, Kindle azw3, fb2, RTF, Word, HTML, and text
- ePub3 and Readium LCP DRM support
- Cloud syncing of library and reading positions
- Customizable appearance and behavior options
- Direct opening of downloaded files
- Free version with library limits
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FBReader is a fast and easy-to-use e-book reader for iPhone and iPad. It supports all major e-book formats, including ePub (with key ePub3 features), Kindle azw3, and fb2 (.zip). You can open both unprotected books and ePub files protected with Readium LCP DRM. FBReader also reads RTF, Word (.doc), HTML, and plain text, so you can keep all your books and documents in one place. Read anywhere and pick up right where you left off. FBReader can sync your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive. If you prefer managing files yourself, you can download books in your browser and open them directly with FBReader. A wide range of appearance and behavior options lets you customize the reading experience to match your preferences. Free version and upgrade options: • The free version allows up to 10 books in your library. • The built-in translation feature is disabled. Upgrade to the full version to remove these limits and enjoy the complete FBReader experience.
Demchog
Explore a vast audio library of books narrated by a renowned Russian actor, director, and philosopher. Immerse yourself in unique vocal performances and discover a universe of literary works.
- Extensive audiobook collection
- Narrated by Vadim Demchog
- Unique vocal performances
- Literary universe exploration
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Вадим Демчог - известный российский актер, режиссер, писатель, философ, тренер, евангелист темы «Феномен Игры». Широкую известность получили его проекты: «Фрэнки-шоу» на радио «Серебряный дождь», интернет проекты «Трансляция Оттуда» и «Мистер Фримен», роль доктора Купитмана в сериале «Интерны», ТВ проект «Величайшее шоу на Земле», театральные проекты «Арлекиниада» и «Закрой глаза и смотри», серия тренингов «Школа Игры». Вадим Демчог обладает уникальным голосом. И сегодня мы рады представить обширную аудиотеку книг, начитанных Вадимом. Это целая Вселенная! Слушайте и наслаждайтесь!
Screenshots
Verdict
The clearest difference is rating: Demchog at 4.6 against FBReader's 3.7. Demchog also leads on in-app purchases (none vs 2) and review sentiment (76% vs 52%). FBReader's advantage is ratings volume (128 vs 11) and update cadence (monthly vs every 2 months). On price, ads and iOS requirement 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. FBReader sells 1 one-off in-app purchase. Demchog asks for nothing beyond the download.
Demchog holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: FBReader has 128 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 52% of FBReader's written reviews are positive against 76% of Demchog's.
FBReader ships an update monthly, Demchog every 2 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.
| Parameter | FBReader | Demchog |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (128 ratings) | 4.6 (11 ratings) — better |
| Positive reviews | 52.5% of reviews | 76.1% of reviews — better |
| Number of ratings | 128 — better | 11 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 34 MB |
| Age rating | 17+ | 17+ |
| Developer | FBReader.ORG Limited | ООО "Демчог Экспеншен" |
Customer experience
FBReader
Demchog
Bugs and requests
FBReader
Reported bugs
4 issues- Syncing issues with Google Drive
- Deletion of books from library
- Formatting problems with large footnotes
- Compatibility issues with newer iOS versions
Requested features
5 requests- Vertical scrolling mode
- Improved bookmark and annotation tools
- Ability to add/change book covers
- Text-to-speech functionality
- Better library management (read/unread, collections)
Demchog
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FBReader
- FBReader Full Edition2 variants$12.99
Demchog
No in-app purchases
