75
BU Score
Strong
Bilingual Books: Parallel Read
✍️ bumetric analysis
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Bilingual Books: Parallel Read is an Android app from KursX in the Education category, currently rated 4.7★ across 29,444 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 75: Strong (healthy traction). For a Education app, that means healthy traction.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
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Reviews
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Forecast Revenue / mo
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Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (29,444 ratings)METRIC | +$5,500 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.6🔄 updated 1w ago📂 Education💰 Free📺 Ad-supported💎 IAP $0.99 - $25.00 per item🚀 Launched 2016 (9y old)
📝 About this app
Bilingual books with parallel translation — read and learn languages by reading the books you love. Smart Book is a bilingual ebook reader and dual language reader that shows the original text and its translation side by side, so you learn languages reading naturally. Tap any word for an instant translation while reading: Google Translate, DeepL, Reverso, Oxford, ChatGPT, Claude, Gemini, Yandex, NLP, Papago — switch translators in one tap.
KEY FEATURES:
• Bilingual books and dual language books — parallel text in two languages, learn languages reading and learn languages by reading
• Parallel translation of books — book translation, book translations, parallel book translations and parallel texts of every word in context. Parallel reader, parallel text reader, parallel book reader, parallel text view layouts
• Translate while reading — save words to your bilingual library, export to Anki or ReWord with spaced repetition
• AI translation in your reader — ChatGPT, Claude, Gemini explain meaning, grammar, synonyms; audio from native speakers
• Bilingual ebook reader for FB2, EPUB, TXT — load foreign books, import .srt subtitles as parallel text, or use a free language library
• Bionic reading and offline mode — read bilingual books with no internet
READ AND LEARN LANGUAGES BY READING:
Reading with translation, reading with translations and reading books with translation feel natural. Reading foreign texts, reading in foreign languages, reading in a foreign language and reading in two languages share the same dual language reader. Read in English, German, French, Spanish or Italian — read with translation page by page.
FOREIGN BOOKS LIBRARY:
English — books in English with translations, English books, English text. Reading books in English, reading English texts, texts in English with translation, English reading, read a text in English.
Spanish — books in Spanish with translations, books in Spanish with translation, Spanish books with translation. Reading books in Spanish, read Spanish books, texts in Spanish with translations, reading in Spanish, Spanish reading, reading Spanish texts, read a text in Spanish.
French — books in French with translations, books in French with translation, French books. Reading books in French, read French books, texts in French with translations, reading in French, French reading, reading French texts, read a text in French.
German — books in German with translations, books in German with translation, German books. Reading books in German, texts in German with translations, reading in German, German reading, reading German texts, read in German.
Italian — books in Italian with translations, books in Italian with translation, Italian books. Reading books in Italian, texts in Italian with translations, reading in Italian, Italian reading, reading Italian texts.
Books with translations — book with translation, books with English translations, books with translations into English, books with translations into Spanish, books with translations into French, books with translations into German, books with translations into Italian, books with translations into a foreign language.
Foreign books in dozens more languages: Russian, Portuguese, Turkish, Polish, Arabic, Korean, Japanese, Chinese, Thai — read russian books, books in foreign languages, books in foreign languages with translations, books in a foreign language.
A BILINGUAL READER FOR LANGUAGE LEARNERS:
Smart Book is a bilingual reader, dual language reader, parallel reader, parallel text reader and bilingual book reader for language learning and language study. Bilingual reading, parallel reading, dual-language reading and side-by-side reading turn every page into a language lesson. An e-reader with parallel text — bilingual library and language library, your foreign language reading shelf grows weekly.
Read and learn languages free — learn language reading, translate while reading.
KEY FEATURES:
• Bilingual books and dual language books — parallel text in two languages, learn languages reading and learn languages by reading
• Parallel translation of books — book translation, book translations, parallel book translations and parallel texts of every word in context. Parallel reader, parallel text reader, parallel book reader, parallel text view layouts
• Translate while reading — save words to your bilingual library, export to Anki or ReWord with spaced repetition
• AI translation in your reader — ChatGPT, Claude, Gemini explain meaning, grammar, synonyms; audio from native speakers
• Bilingual ebook reader for FB2, EPUB, TXT — load foreign books, import .srt subtitles as parallel text, or use a free language library
• Bionic reading and offline mode — read bilingual books with no internet
READ AND LEARN LANGUAGES BY READING:
Reading with translation, reading with translations and reading books with translation feel natural. Reading foreign texts, reading in foreign languages, reading in a foreign language and reading in two languages share the same dual language reader. Read in English, German, French, Spanish or Italian — read with translation page by page.
FOREIGN BOOKS LIBRARY:
English — books in English with translations, English books, English text. Reading books in English, reading English texts, texts in English with translation, English reading, read a text in English.
Spanish — books in Spanish with translations, books in Spanish with translation, Spanish books with translation. Reading books in Spanish, read Spanish books, texts in Spanish with translations, reading in Spanish, Spanish reading, reading Spanish texts, read a text in Spanish.
French — books in French with translations, books in French with translation, French books. Reading books in French, read French books, texts in French with translations, reading in French, French reading, reading French texts, read a text in French.
German — books in German with translations, books in German with translation, German books. Reading books in German, texts in German with translations, reading in German, German reading, reading German texts, read in German.
Italian — books in Italian with translations, books in Italian with translation, Italian books. Reading books in Italian, texts in Italian with translations, reading in Italian, Italian reading, reading Italian texts.
Books with translations — book with translation, books with English translations, books with translations into English, books with translations into Spanish, books with translations into French, books with translations into German, books with translations into Italian, books with translations into a foreign language.
Foreign books in dozens more languages: Russian, Portuguese, Turkish, Polish, Arabic, Korean, Japanese, Chinese, Thai — read russian books, books in foreign languages, books in foreign languages with translations, books in a foreign language.
A BILINGUAL READER FOR LANGUAGE LEARNERS:
Smart Book is a bilingual reader, dual language reader, parallel reader, parallel text reader and bilingual book reader for language learning and language study. Bilingual reading, parallel reading, dual-language reading and side-by-side reading turn every page into a language lesson. An e-reader with parallel text — bilingual library and language library, your foreign language reading shelf grows weekly.
Read and learn languages free — learn language reading, translate while reading.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Bilingual Books: Parallel Read
- Developer
- KursX
- Bundle ID
- com.kursx.smartbook
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- smart-book.net
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.2K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $25.00 per item
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth29,444 ratings+49% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for Bilingual Books: Parallel Read: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.