Best Duobooks Apps

201+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our duobooks list covers 201+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Duobooks

duoBooks: Language Learning#1

duoBooks: Language Learning by PlainProg LLC

Books with translation
Editor's Choice
📚 Education
4.5(31 ratings)
FreeIn-App Purchases
duoBooks: Language Learning screenshot 1
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duoBooks: Language Learning screenshot 5
duoBooks: Language Learning screenshot 6

Read any book in any language with instant translation and detailed word explanations. Build your vocabulary with a personal dictionary and spaced repetition tools. Improve pronunciation with audio voiceovers and master new languages through immersive bilingual reading.

DeepL Translate#2

DeepL Translate by DeepL SE

Translate photos, speech, text
Strong Contender
🔍 Reference
4.8😊(13K ratings)
FreeIn-App Purchases
#63in Reference
DeepL Translate screenshot 1
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DeepL Translate screenshot 5
DeepL Translate screenshot 6

Instantly translate text from your camera, photos, speech, or files. Explore alternative translations, save favorites, and hear translations read aloud. Offers advanced features like glossary and tone selection with a paid plan.

What We Love

  • 🚀 Accurate translations
  • 👍 Easy to use
  • 💡 Useful translation history
  • 🚀 Fast and efficient

Room to Improve

  • 🐛 Buggy after updates
  • 👎 Cluttered interface
  • 👎 Inconsistent translations
4.7😊(13K ratings)
Free
Translate Free - Language Translator & Dictionary screenshot 1
Translate Free - Language Translator & Dictionary screenshot 2
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Translate Free - Language Translator & Dictionary screenshot 5

This app provides free language translation and dictionary services for 59 languages. It features translation history, the ability to request new languages, and user feedback for improved accuracy. Translations can be sent via email and viewed in a zoomable format for easy communication.

What We Love

  • 👍 Easy to use
  • 🚀 Fast and accurate translations
  • 💡 Supports multiple languages
  • 👍 Helpful for communication with non-English speakers

Room to Improve

  • 🐛 Occasional connectivity issues
  • 💰 Some features require paid upgrade
  • 🔍 Lack of clear instructions on all features

More Duobooks apps to explore

4
Lingo Books: Learn Languages
Lingo Books: Learn Languages
Lingo Books: Learn Languages
Bilingual Lessons and Stories
Free

Learn languages through engaging bilingual stories, lessons, and games. Offers side-by-side translations, native speaker narration, and progress tracking. Supports 7 popular languages for learners of all levels.

Bilingual books with side-by-side translationsNative speaker narrationInteractive lessons
📚 Education
(102)
freemium
5
Speak Translator: Translate +
Speak Translator: Translate +
Speak Translator: Translate +
Voice, Text, Camera Translator
Free

Break down language barriers with this powerful translation app. It supports over 200 languages for fast, accurate voice, text, and camera translations. Offline mode and pre-loaded phrases make global communication and travel seamless.

200+ languages supportedDual text and voice translationOffline translation
✈️ Travel
(621)
free
6
Pimsleur | Language Learning
Pimsleur | Language Learning
Pimsleur | Language Learning
Practice Daily. Speak Fluently
Free

Master over 50 languages with daily 30-minute audio lessons. Achieve native-like fluency through a scientifically proven method focused on speaking and pronunciation, even offline. Perfect for busy adults seeking flexible, effective language learning.

Learn 50+ languages30-minute daily lessonsOffline mode
📚 Education
(28K)
free with in-app purchases
7
iTranslate Translator
iTranslate Translator
iTranslate Translator
Translate Photo, Voice, Text
Free

Break language barriers with this comprehensive translation app. Translate text, voice, websites, and even objects using your camera. Offers offline mode and a custom phrasebook for personalized learning and travel.

Text translation in over 100 languagesVoice-to-voice conversationsCamera translation (Lens & AR Mode)
📊 Productivity
(524K)
free with in-app purchases
8
Sesli Sozluk Dictionary
Sesli Sozluk Dictionary
Sesli Sozluk Dictionary
by Sesli Sozluk Ltd.
Free

This comprehensive dictionary app offers a vast database of 20 million words across 20 languages, complete with pronunciations, images, and videos. Enhance your vocabulary with interactive language games and access translation services. It provides both online and offline functionality for convenient learning.

20 million word database20 language supportAudio pronunciations
🔍 Reference
(9.9K)
free with in-app purchases
9
Microsoft Translator
Microsoft Translator
Microsoft Translator
Translate 100+ languages
Free

Break down language barriers with this app that translates text, speech, images, and group conversations in over 100 languages. It's ideal for travelers, students, and professionals needing to communicate across cultures.

Translate text, speech, and imagesSupports over 100 languagesReal-time group conversation translation
📊 Productivity
(158K)
free
10
Ling: English & 11 languages
Ling: English & 11 languages
Ling: English & 11 languages
Learn Spanish, Korean, Chinese
Free

Master new languages with a fun and effective approach. This app focuses on learning five new words daily, incorporating listening, writing, and gaming to build vocabulary and speaking confidence. Choose from various topics and levels to achieve your language learning goals.

Learn 5 new words dailyVocabulary buildingListening and writing exercises
📚 Education
(4.9K)
free with in-app purchases
11
Live Translator - AI Translate
Live Translator - AI Translate
Live Translator - AI Translate
Text, Photo & Voice Translator
Free

This app provides advanced AI-powered translation for text, voice, and images, capturing nuance and cultural context. It offers specialized modes for different situations and integrates seamlessly into your typing experience.

Context-aware text translationReal-time voice interpreterInstant camera translator
🔍 Reference
(16K)
free with in-app purchases
12
Innovative Language Learning
Innovative Language Learning
Innovative Language Learning
Speak Spanish, French, German
Free

Learn to speak new languages quickly with short, engaging audio and video lessons created by experienced teachers. Access a vast library of content for over 30 languages and practice conversations from your first session.

Short audio/video lessons (3-15 minutes)Lessons taught by real teachersInstant practice with assessments
📚 Education
(34K)
free with in-app purchases
13
Scan & Translate+ Text Grabber
Scan & Translate+ Text Grabber
Scan & Translate+ Text Grabber
Camera Scanner & Translator
Free

Instantly digitize and translate printed text from documents, signs, and menus using your camera. Supports over 90 languages for translation and recognizes text in over 70. Edit, listen to, and share your translated content.

Camera text scanningText recognition for 70+ languagesTranslation to 90+ languages
📊 Productivity
(20K)
free with in-app purchases
14
Learn Languages - Lingo Play
Learn Languages - Lingo Play
Learn Languages - Lingo Play
Flashcards, words, games, quiz
Free

Master over 70 languages with interactive lessons, flashcards, and games. Practice vocabulary and phrases for real-life situations, track your progress, and compete with others globally. Ideal for learners of all levels seeking fluency.

70+ languages supported5,000+ flashcards6,000+ words and phrases
📚 Education
(7.3K)
free with in-app purchases
15
Mondly: Learn 41 Languages
Mondly: Learn 41 Languages
Mondly: Learn 41 Languages
Learning Spanish Korean French
Free

Master new languages through engaging lessons, interactive exercises, and advanced features like a chatbot and voice recognition. Practice speaking, reading, listening, and grammar to achieve fluency. Offers a wide range of languages and learning materials.

Learn 41 languagesChatbot for practiceHands-free learning
📚 Education
(31K)
free with in-app purchases
16
Dictionary Linguee
Dictionary Linguee
Dictionary Linguee
German, French, Spanish, more
Free

Access reliable translations for multiple languages, including French, Spanish, and German, with this comprehensive dictionary app. It offers fast, offline access to a vast database compiled by lexicographers and includes example sentences and audio pronunciations.

Translations in French, Spanish, German, and moreCompiled by over 400 lexicographersFast translations with quick search
🔍 Reference
(11K)
free
17
Rosetta Stone: Learn Languages
Rosetta Stone: Learn Languages
Rosetta Stone: Learn Languages
Spanish, Korean, French & More
Free

Master a new language through an immersive, intuitive method that focuses on speaking with confidence. Personalized plans and instant pronunciation feedback help you learn effectively. Download lessons for offline access and sync your progress across devices.

Personalized language learning planIntuitive immersion methodInstant pronunciation feedback
📚 Education
(237K)
subscription
18
Drops: Easy Language Learning
Drops: Easy Language Learning
Drops: Easy Language Learning
Learn French, Spanish,Japanese
Free

Learn new languages through engaging games and visual aids. Practice vocabulary and common phrases in over 55 languages, from beginner to expert levels. Track progress, unlock achievements, and enjoy professionally curated lessons with native speaker pronunciations.

Gamified vocabulary learningVisual learning aids55+ language options
📚 Education
(71K)
free with in-app purchases
19
Translate Now *
Translate Now *
Translate Now *
Text Translator
Free

Instantly translate text, voice, and images across over 100 languages. This app facilitates seamless global communication for travelers, language learners, and professionals. Break down language barriers with its intuitive interface and advanced translation technology.

Instant text translationVoice translationCamera image translation
📚 Education
(430)
free with in-app purchases
20
Snap & Translate - Translator
Snap & Translate - Translator
Snap & Translate - Translator
Take a picture to translate!
Free

Instantly translate objects and text by simply taking a picture. This app recognizes items and scanned text, providing translations in seconds. It's ideal for language learning, travel, and understanding foreign text.

Translate objects from photosScan and translate printed textSupports 46 languages
🔧 Utilities
(10K)
free with in-app purchases

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