eBoox vs Булак
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eBoox
This application provides a comfortable and customizable reading experience for a wide variety of e-book formats. It offers features like bookmarks, highlights, dark mode, and offline reading, with seamless online synchronization. Books can be easily uploaded from various sources, including cloud storage and email.
- Supports EPUB, MOBI, FB2, DOC, TXT, and more
- Customizable fonts, text size, and brightness
- Dark mode and offline reading
- Bookmarks, highlights, and notes
- Online auto-sync of books and progress
- AD-FREE reading experience
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eBoox – the most pleasant book reader ever! * *according to my mom :) • Cute, simple and useful UI, • Effective reading tools: bookmarks, 3-colors highlights, interactive links and notes, • Dark mode and offline reading, • Customized settings - Fonts, Fields, Text size, screen Brightness, Page scrolling, ets. • Suppots all your e-books, even in ZIP: EPUB, MOBI, DOC, DOCX, TXT, FB2, PRC, RTF, ODT, HTML, AZW, AZW3 and others text documents, • PDF supported (beta), • !Completely AD-FREE, • !Online auto SYNC of ebooks and reading progress, • !FREE WEB e-reader available! Start reading your e-books right now! Upload books via iTunes, import your files from the email, web browser, cloud storages (iCloud, Google Drive, Dropbox, Yandex.Disk etc) or share via AirDrop. In the app you will find detailed guide How to add ebooks in different ways. And we've already added three classic welcome books so you can appreciate the e-reader right away! This is a upgraded version of eBoox. The old one is no longer supported. In order not to lose your books, progress, quotes and bookmarks, install this app version. Run it on device and wait for the data transfer to finish. When you make sure that all your books appeared in eBoox 2020, you can safely delete eBoox.old. You can turn on the synchronization for backup.
Булак
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Чыныгы ОРТ форматындагы толук даярдоочу тесттерди, ар бир бөлүм боюнча тематикалык суроолорду жана ар бир суроого кеңири түшүндүрмөлөрдү камтыган даярдык колдонмо. Подготовительное приложение, включающее полноценные тесты в формате реального ОРТ, тематические задания по каждому разделу и подробные объяснения к каждому вопросу.
Screenshots
Verdict
The clearest difference is review sentiment: eBoox at 88% against Булак's 33%. eBoox also leads on rating (4.8 vs 3.6) and ratings volume (3.8K vs 7). Булак's advantage is update cadence (every 5 days vs monthly). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
eBoox holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: eBoox has 3.8K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 88% of eBoox's written reviews are positive against 33% of Булак's.
eBoox ships an update monthly, Булак every 5 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.
| Parameter | eBoox | Булак |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (3.8K ratings) — better | 3.6 (7 ratings) |
| Positive reviews | 88.4% of reviews — better | 33.3% of reviews |
| Number of ratings | 3.8K — better | 7 |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 177 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | REDIT, OOO | Moapy LLC |
Customer experience
eBoox
Булак
Bugs and requests
eBoox
Reported bugs
3 issues- Highlighting and annotations sometimes behave unexpectedly
- Syncing between devices can be unreliable at times
- Occasional crashes or freezes when navigating the app
Requested features
7 requests- Add more font options, including bold and italic
- Implement a built-in dictionary or translation tool
- Allow direct import of books from local device storage
- Improve page numbering and reading progress display
- Add support for PDF files and annotations
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- Introduce a grid-style library view for book covers
- Implement automatic dark mode based on system settings
Булак
Not enough reviews yet to summarise bugs or requests.
In-app purchases
eBoox
No in-app purchases
Булак
No in-app purchases
