App Intel

duoBooks: Read & Translate Live

PLPG2 apps · 13.9K installsBooks & ReferenceFreeIn-app purchases: $5.99 - $29.99 per itemcom.duobooks.android

Learn languages by reading books with translation, audio, and flashcards.

Alert me★ WatchOpen in Play ↗
Total installs
9,529
exact · Play shows 5,000+
Installs / day
—
measured after our second crawl (about a day)
Rating
—★
— ratings · — reviews
Released
3 Jun 2026
4mo ago
Last update
7 Oct 2026
v4.5 · 4d ago
Countries
—
not checked yet

Install history

exact counter from Google Play
9.3K9.5K9.7K9.8K10K10 Oct11 Oct11 Oct
9.3K9.5K9.7K9.8K10K10 Oct11 Oct11 Oct

Installs per day · last 90 days

Not enough history yet — check back tomorrow

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

estimate · charts of 10 Oct

Most downloads likely come from 🇮🇱 Israel (~100%).

  1. Israel100%#88 Top free · Books & reference

Estimated from top-chart positions weighted by each country’s Google Play market size. Countries where the app is not in a chart are not shown, so small markets may be missing.

Top chart positions

as of 10 Oct
ChartCountryRankChange
Top free · Books & reference IL#88—

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Permissions

5 in 1 group
0 Sensitive1 Notable4 Routine
OtherNotable5

Access to miscellaneous device features that don't fit other categories

  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
duoBooks is a bilingual ebook reader for learning languages through reading. Read books, short stories, and EPUB files with instant translation into your native language. Whether you are learning English, Spanish, French, German, Italian, or another language, duoBooks helps you understand every sentence, build your vocabulary, and improve your language skills naturally. Read any EPUB ebook from your device or choose from our library of 3000+ books and beginner-friendly short stories. duoBooks is designed for language learners who want to practice with real texts, parallel translations, pronunciation, and vocabulary review in one simple app. Read foreign-language books with translation sentence by sentence. Tap any sentence to see its translation into your native language. You can also break sentences into clear parts and understand how each word works in context. See word meanings, sentence structure, and full translations while you read. This makes duoBooks useful for beginners, intermediate learners, and advanced readers who want to improve comprehension while enjoying real books. Import your own EPUB files Already have books, study materials, scientific articles, or programming books in EPUB format? Add them to duoBooks and read with translation. Many learners use duoBooks as an EPUB reader for English books, technical materials, academic texts, and classic literature. As long as you have an EPUB file, you can turn it into a bilingual reading experience. Build your personal dictionary Save useful words and phrases to your personal dictionary. Keep your vocabulary in one place and review it whenever you want. Every saved word stays connected to your language learning journey, helping you remember what you have learned from real reading. Learn words with spaced repetition duoBooks includes a Spaced Repetition tool to help you memorize vocabulary more effectively. Review words at increasing intervals and swipe through flashcards to strengthen long-term retention. This makes vocabulary practice easy to include in your daily routine. Use duoBooks to build your English vocabulary or expand your vocabulary in Spanish, French, German, Italian, and other languages. Listen to pronunciation Correct pronunciation is essential for language learning. With duoBooks, you can listen to audio voiceovers of sentences and individual words. Hear how words and phrases are pronounced and improve your listening and speaking skills while reading. Learn languages by reading Reading with translation is one of the most effective ways to improve language skills. With duoBooks, you can: Read books in English, Spanish, French, German, Italian, and more Translate sentences instantly Understand words in context Listen to pronunciation Save vocabulary to your dictionary Review words with flashcards Practice grammar through real examples Import your own EPUB books Read beginner stories and classic literature 3000+ books and stories With thousands of available books and the option to import your own EPUB files, duoBooks gives you endless opportunities to practice reading in a foreign language. Perfect for English learners duoBooks is especially useful for people learning English as a second language. Read English books with translation, study vocabulary, listen to pronunciation, and understand difficult sentences step by step. You can also use duoBooks to learn other languages, including Spanish, French, German, Italian, and more. Why choose duoBooks? duoBooks helps you: Read foreign-language books more easily Learn new words from real context Improve reading comprehension Practice pronunciation and listening Study vocabulary with spaced repetition Build a personal dictionary Read EPUB books from your device Learn English or other languages through daily reading Turn every book into a language lesson. Start reading, translating, listening, and learning with duoBooks today.

What's new

- Search inside the book you're reading - More reading fonts, matched to the language of each book - New Explanation button in the word popup: why a word is used here and its other meanings - Choose the text size of word and sentence translations - More accurate word and sentence translations

Growing in Books & Reference

Category →