FBReader: ePub and fb2 reader: iPhone vs Android
FBReader: ePub and fb2 reader by FBReader.ORG Limited is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
2.6 ★
222k ratings, both stores
Measured
Best rank now
#21
iPhone · 
Books Free
Books FreeMeasured
App Store
App details
App ID
1067172178
Publisher
FBReader.ORG Limited
Minimum OS
iOS 13.0+
Content rating
17+
Languages
12
CS EN FR DE IT PL PT RU ZH ES ZH UK
Size
23 MB
Google Play
App details
App ID
org.geometerplus.zlibrary.ui.android
Publisher
FBReader.ORG Limited
Content rating
Teen
FBReader: ePub and fb2 reader downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 10k+ |
| Google Play | – | 10M+ Measured |
| Total | – | 10M+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where FBReader: ePub and fb2 reader's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How FBReader: ePub and fb2 reader makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | FBReader Full Edition | |
| 2 | FBReader Full Edition |
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 3.5 ★ | 1.1k |
| Google Play | 2.6 ★ | 221k 4.1k written reviews |
| Both stores | 2.6 ★ weighted by ratings | 222k |
About FBReader: ePub and fb2 reader
FBReader is a fast and easy-to-use 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, giving you access to your entire library in one place.
Read anywhere and continue where you left off. FBReader can synchronise your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive.
If you prefer to manage files yourself, you can download books in your browser and open them directly with FBReader.
A wide range of appearance and behaviour options lets you customise 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.
FBReader also reads RTF, Word (.doc), HTML, and plain text, giving you access to your entire library in one place.
Read anywhere and continue where you left off. FBReader can synchronise your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive.
If you prefer to manage files yourself, you can download books in your browser and open them directly with FBReader.
A wide range of appearance and behaviour options lets you customise 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.
FBReader: ePub and fb2 reader iPhone
FBReader: читалка fb2, ePub
FBReader: ePub and fb2 reader is #24 in Books Grossing in Russia and charting in 3 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperFBReader.ORG Limited
CategoryBooks
PriceFree
Released
Rating★ 3.5 (1.1k)
Version1.2.6
Age rating17+
First seen by us 24 Sep 2026
24 Sep 2026Installs (est.)10k+ worldwide
Rating
3.5 ★
1.1k ratings
Measured
Best rank now
#24
Books GrossingMeasured
FBReader: ePub and fb2 reader on the App Store
App details
App ID
1067172178
Publisher
FBReader.ORG Limited
Minimum OS
iOS 13.0+
Content rating
17+
Languages
12
CS EN FR DE IT PL PT RU ZH ES ZH UK
Size
23 MB
FBReader: ePub and fb2 reader downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where FBReader: ePub and fb2 reader's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How FBReader: ePub and fb2 reader makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | FBReader Full Edition | |
| 2 | FBReader Full Edition |
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Russia | BooksGrossing | #24 |
| Russia | BooksFree | #21 |
 South Korea | BooksGrossing | #88 |
 Germany | BooksFree | #182 |
Apps near FBReader: ePub and fb2 reader on the chart
Books Grossing, around #24.
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Ratings
App Store, worldwide.
Rating
3.5 ★
1.1k ratings
Measured
Ratings
1.1k
Measured
About FBReader: ePub and fb2 reader
FBReader is a fast and easy-to-use 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, giving you access to your entire library in one place.
Read anywhere and continue where you left off. FBReader can synchronise your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive.
If you prefer to manage files yourself, you can download books in your browser and open them directly with FBReader.
A wide range of appearance and behaviour options lets you customise 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.
FBReader also reads RTF, Word (.doc), HTML, and plain text, giving you access to your entire library in one place.
Read anywhere and continue where you left off. FBReader can synchronise your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive.
If you prefer to manage files yourself, you can download books in your browser and open them directly with FBReader.
A wide range of appearance and behaviour options lets you customise 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.
Latest updates
1.2.6
• ePub support aligned with our other platforms for better consistency
• Improved book opening speed
FBReader: Favorite Book Reader Android
FBReader: Favorite Book Reader is #37 in Books & Reference Free on Google Play in Russia and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperFBReader.ORG Limited
CategoryBooks & Reference
PriceFree
Released–
Installs10M+
Rating★ 2.6 (221k)
Updated
Content ratingTeen
Rating
2.6 ★
221k ratings
Measured
Best rank now
#37
Books & Reference FreeMeasured
FBReader: Favorite Book Reader on Google Play
App details
App ID
org.geometerplus.zlibrary.ui.android
Publisher
FBReader.ORG Limited
Content rating
Teen
FBReader: Favorite Book Reader downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where FBReader: Favorite Book Reader's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
On Android app stores
The same app (org.geometerplus.zlibrary.ui.android) on every Android store we track. Known Android installs: at least 21M (Google Play band + AppGallery count).
| Store | Installs | Rating | Version | |
|---|---|---|---|---|
| Google Play | 10,000,000+ | ★ 2.6 (221k) | Open ↗ | |
| Huawei AppGallery | 11M | ★ 1.0 | 3.8.32 | Open ↗ |
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How FBReader: Favorite Book Reader makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | FBReader Full Edition | |
| 2 | FBReader Full Edition |
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Russia | Books & ReferenceFree | #37 |
Apps near FBReader: Favorite Book Reader on the chart
Books & Reference Free, around #37.
Ratings
Google Play, worldwide.
Rating
2.6 ★
221k ratings
Measured
Ratings
221k
Measured
Written reviews
4.1k
Measured
About FBReader: Favorite Book Reader
FBReader — a fast, lightweight, and customizable ebook reader
FBReader opens DRM-free ebooks as well as titles protected with Readium LCP.
Supported ebook formats:
• ePub (including ePub3 features), PDF, Kindle azw3, fb2(.zip)
• Comic books (CBZ/CBR)
• DOC, RTF, HTML, and plain text
Great for language learners:
• Instant word and phrase lookups through your preferred dictionary app
Cloud sync (optional):
• Sync your library and reading positions using the FBReader Book Network, a Google Drive based service
• Disabled by default; enable it in Settings
Highly customizable:
• Use your own TrueType/OpenType fonts and custom backgrounds
• Day and night color themes
• Adjust brightness with a simple swipe along the screen edge
• Fine-tune layout, gestures, and appearance
Optimized for every screen:
• Works smoothly on phones and tablets
• Fully optimized for e-ink devices while still performing excellently on standard LCD and AMOLED screens
Easy access to books:
• Built-in browser for online catalogs and OPDS stores
• Support for custom OPDS catalogs
• Or place ebooks directly in your device’s Books folder
Made for readers worldwide:
• Localized in 34 languages
• Includes hyphenation patterns for 24 languages
FBReader opens DRM-free ebooks as well as titles protected with Readium LCP.
Supported ebook formats:
• ePub (including ePub3 features), PDF, Kindle azw3, fb2(.zip)
• Comic books (CBZ/CBR)
• DOC, RTF, HTML, and plain text
Great for language learners:
• Instant word and phrase lookups through your preferred dictionary app
Cloud sync (optional):
• Sync your library and reading positions using the FBReader Book Network, a Google Drive based service
• Disabled by default; enable it in Settings
Highly customizable:
• Use your own TrueType/OpenType fonts and custom backgrounds
• Day and night color themes
• Adjust brightness with a simple swipe along the screen edge
• Fine-tune layout, gestures, and appearance
Optimized for every screen:
• Works smoothly on phones and tablets
• Fully optimized for e-ink devices while still performing excellently on standard LCD and AMOLED screens
Easy access to books:
• Built-in browser for online catalogs and OPDS stores
• Support for custom OPDS catalogs
• Or place ebooks directly in your device’s Books folder
Made for readers worldwide:
• Localized in 34 languages
• Includes hyphenation patterns for 24 languages
What's new
* Fixed a possible crash on old Android versions