# Biro: Learn Languages — DuoReading: bilingual books > Bilingual book reader for natural language learning with integrated flashcards and TTS. (iPhone/iPad app by Fellipe Guimaraes.) - Source: https://appshunter.io/ios/app/biro-learn-languages/id6813681360 (this page in markdown: same URL + `.md`) - Developer: [Fellipe Guimaraes](https://appshunter.io/developer/1318798504) - Category: Books, Education - Price: Free - Age rating: 4+ - Requires: iOS 18.0 · 6 MB - Languages: American English - Released: 2026-10-25 - Data updated: 2026-11-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/biro-learn-languages/id6813681360/reviews.md ## What is Biro? Learn a language the natural way: by reading books you actually want to read. With DuoReading, Biro Reader shows every sentence in the language you're learning, with its translation right underneath. No more jumping to a dictionary every line. You stay in the story, understand everything, and pick up vocabulary through context. DUOREADING: READ IN TWO LANGUAGES • Parallel, sentence-by-sentence translation • Show all translations, or tap a sentence to reveal just that one • Continuous scroll or page-by-page reading • Sepia, dark and OLED themes, adjustable fonts and sizes TAP A WORD, SAVE A FLASHCARD • Tap any word to see its meaning • Save it as a flashcard together with the original sentence • Review with flip cards and track what's new, learning or mastered • Export and import your flashcards as a backup LISTEN WHILE YOU READ • Natural text-to-speech narration, sentence by sentence • Slower default pace, made for language learners FREE CLASSICS INCLUDED Start right away with public domain classics: Pinocchio and Dante's Inferno in Italian, Alice in Wonderland, Sherlock Holmes and Pride and Prejudice in English, Around the World in 80 Days and Candide in French, Don Quixote in Spanish, The Metamorphosis in German. BRING YOUR OWN BOOKS Import EPUB, PDF and TXT files. BUILD A READING HABIT Daily goals, reading streaks, reading speed and 7-day charts. Optional daily reminders. PRIVATE BY DESIGN No account needed. Your books, progress and flashcards stay on your device, with optional private iCloud sync. Languages: English, Spanish, Portuguese, French, Italian, German, Japanese, Chinese, Korean, Russian, Dutch, Turkish, Polish, Swedish, Ukrainian, Arabic, Hindi and Greek. ## Key features - Parallel sentence-by-sentence translation - Tap-to-translate and save flashcards - Text-to-speech narration - Import EPUB, PDF, and TXT files - Daily goals and reading streaks - Private by design, no account needed ## Is Biro safe? Not enough ratings yet to assess Biro. ## Is Biro legit? Biro: Learn Languages appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Biro is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/biro-learn-languages/id6813681360/reviews.md ### 5/5 — O que faltava pra mim! *2026-10-29* Já testei vários apps de línguas, mas sentia falta de aprender mais vocabulário útil e tempos verbais diferentes. Esse app é perfeito! Além de tudo, diminuí muito meu uso de redes sociais, porque ele é gostoso de usar, mesmo quando tenho pouco tempo disponível. ### 5/5 — Mudando meu jeito de aprender *2026-10-26* Estou usando o app a uns 2 meses e minha fluência em linguas cresceu, assim tambem como diminuiu o uso das redes sociais, eu super recomendo pra vocês ### 5/5 — Aprendi mais *2026-10-25* Está me ajudando muito a aprender e conseguir ler mais na lingua que estou aprendendo. ### 5/5 — Muito útil *2026-10-25* A ideia desse app é genial, se encaixou muito bem no meu plano de estudo de idiomas, não tive problema pra usar, vale muito a pena ### 5/5 — Aplicativo excelente *2026-10-25* Gosto muito desse aplicativo a proposta é sensacional me ajuda muito a substituir o Instagram por momentos mais proveitosos ### 5/5 — Era o app que faltava! *2026-10-25* Sempre aprendi inglês com música dessa forma, lendo o original e a tradução logo abaixo. Uma ideia simples e poderosa para acelerar o aprendizado e que de tão genial e simples, quando surge nos perguntamos porque ainda não existia! ## Frequently asked questions about Biro ### How does Biro help me learn languages? Biro facilitates language learning by presenting bilingual books with sentence-by-sentence translations. This allows you to understand content naturally through context and easily save new vocabulary as flashcards for review. ### Can I use my own books with Biro? Yes, Biro supports importing your own books in EPUB, PDF, and TXT formats, allowing you to read and learn from content you're already interested in. ### Does Biro have ads? No, Biro is ad-free, providing an uninterrupted learning experience without advertisements. ### What languages does Biro support? Biro supports a wide range of languages including English, Spanish, French, Italian, German, Japanese, Chinese, Korean, Russian, and many more. ### How does the flashcard feature work in Biro? You can tap any word in the book to see its meaning and save it as a flashcard. These flashcards can be reviewed using flip cards, and their learning status (new, learning, mastered) is tracked. ### Is my reading progress private with Biro? Biro is designed for privacy, with no account needed. Your books, progress, and flashcards are stored on your device, with an option for private iCloud sync. ### Does Biro offer audio for reading? Yes, Biro includes natural text-to-speech narration that reads sentences one by one, at a slower pace suitable for language learners. ### How often is Biro updated? The latest version of Biro was released on November 9, 2026, indicating recent development activity. Updates typically focus on improving features and adding new content. ## Version history (last 5 releases) ### 1.0.7 — 2026-11-09 You decide what gets sent - New "Data & Privacy" section in Settings: turn off usage analytics, online translation or automatic chapter translation at any time. - With online translation off, the translations you've already saved keep working. Share your streak - Turn your reading streak and daily goal into an image card and share it right from Stats. - Enjoying Biro? Use "Tell a friend" in Settings to pass it on. Faster - The Flashcards tab opens and responds more quickly, even with large decks. - Audio narration starts faster on the first tap. ### 1.0.6 — 2026-11-09 Made for iPhone Duo Biro now fills the iPhone Duo's large inner display instead of showing black bars. On the unfolded screen, iPad and in landscape, the text stays in a comfortable, centered column so lines are easy to read. A book waiting for you from the very first launch Your library is no longer empty: a public-domain classic in the language you're learning is ready to open right after onboarding. The first time you open it, Biro asks which language you want under each sentence and saves it as your default. Smarter translation languages Biro never "translates" a book into its own language anymore. If a book's languages match, you'll be asked to pick one. Word lookups now follow your chosen language instead of a fixed fallback. Better reading Titles like "St.", "Mr." and "Dr." no longer split sentences in two. Stray page numbers are merged into the right sentence. Empty "Contents" chapters from classic eBooks are skipped. Stats and flashcards Today's reading time now matches the weekly chart, because empty sessions are ignored. The "Graduated" flashcard filter has a cleaner label. Polish Onboarding examples now appear in your own language. Download progress is translated and no longer gets cut off. Reading reminder and Reading Shield settings are available in all 18 languages. Settings now shows your real iCloud status and warns you when your library is only stored on this device. Your backup now stays up to date automatically, and restoring always uses the newest copy. Fixed a freeze when tapping "Skip" during onboarding. ### 1.0.5 — 2026-11-03 What's New in 1.0.5 • Personalized daily reminders: your reading notification now mentions the book you're currently reading. • Smoother library: a cleaner 2-column grid with faster cover loading and scrolling. • More accurate stats: reading time is no longer undercounted, short sessions are merged, and you get more detailed reading statistics. • Paged mode fix: pages no longer leave growing empty space at the bottom when turning pages. • Better translations of the interface: the Discover Classics catalog and import error messages are now fully localized. • Reliability: your reading progress is saved more safely. ### 1.0.4 — 2026-10-31 What's New in Version 1.0.4: • Seamless Reading & Position Memory: Enjoy ultra-smooth, natural continuous scrolling with zero jumping. Biro Reader now automatically remembers the exact sentence where you stopped as you scroll — even without tapping paragraphs or when switching tabs. • Mindful Pause (Screen Time Shield): Replace mindless scrolling with enriching reading habits. Gently intercept distracting apps with serene Apple Shield screens inviting you to read a chapter or practice flashcards. • Refreshed Analytics & Streaks: Track your daily goals with dynamic progress rings, 7-day reading charts, reading speed (WPM), and streak counters. • Daily Reading Reminders: Friendly, customizable notifications to help you build a consistent daily language learning habit. • New Interactive Onboarding: An elegant introduction to parallel interlinear reading and comprehensible input. • Stability & Performance: Enhanced EPUB and PDF parsing, safer vocabulary backup/restore, and full iOS 18 optimizations. ### 1.0.3 — 2026-10-28 In version 1.0.3, we've delivered key performance and reliability upgrades for an even smoother bilingual reading experience: • Ultra-fluid scrolling: Optimized for 120Hz ProMotion displays with zero lag or hitching when reading and flipping sentences. • Broader book support: Enhanced EPUB engine with multi-rootfile detection and improved text extraction in PDFs. • Full VoiceOver accessibility: Added descriptive labels to all audio narration buttons, toolbar icons, and library actions. • Smarter library search: Added an empty search state with one-tap query clearing and improved localization. • Data safety: Safeguard confirmation before restoring backups from iCloud. • Stability improvements: Eliminated translation race conditions across quick chapter switches and polished title formatting. Enjoying Biro Reader? Please consider leaving a review on the App Store! ## More apps by Fellipe Guimaraes - [Team 1%](https://appshunter.io/ios/app/team-1/id6755007479) - [Crowd Surf - Surf Game](https://appshunter.io/ios/app/crowd-surf-surf-game/id6780547541) All apps by Fellipe Guimaraes: https://appshunter.io/developer/1318798504 ## Related topics [bilingual reading](https://appshunter.io/ios/topics/bilingual-reading) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-10.*