Comparison

Linga vs duoBooks

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Linga

Master languages by reading real books. Tap any word for instant translation and detailed dictionary information. Build your vocabulary with flashcards and spaced repetition, and practice pronunciation with native audio.

Highlights
  • Read books in foreign languages
  • Instant word translation and dictionary
  • Vocabulary builder and flashcards
  • Native audio pronunciation
  • Import your own books
  • Learning games and progress tracking
Features
Read full description

Ever wanted to learn Spanish or French by reading real books? With Linga, you can! Linga turns reading into an immersive way to master languages naturally — perfect for intermediate and advanced learners. Explore over 1,000+ books across Spanish, French, German, Italian, Russian, and English. Read stories you love, tap any word for translation, and grow your vocabulary effortlessly. READ REAL BOOKS IN FOREIGN LANGUAGES: - Build your bookshelf with novels, stories, and classics. - Import your own EPUB, PDF, MOBI, FB2, or TXT files. - Learn through context just like real native readers. INSTANT TRANSLATIONS & DICTIONARY: - Tap any word or phrase for instant translation and detailed dictionary info. - See definitions, synonyms, and grammar notes without leaving the page. - A built-in translator for Spanish, French, German, and more. VOCABULARY BUILDER & FLASHCARDS: - Save new words with one tap to your personal vocabulary list. - Add notes, organize by themes, and study later. - Review words using spaced repetition, flashcards (like Anki). PRACTICE PRONUNCIATION: - Hear native audio for words and sentences — even offline. - Improve your accent and sound more natural in any language. LEARNING GAMES & PROGRESS TRACKING: - Play vocabulary games and quizzes to reinforce memory. - Set daily goals and monitor your progress over time. - Stay motivated with streaks and personalized stats. SUPPORTED LEARNING LANGUAGES: - Spanish • French • German • Italian • Russian • English Whether you’re learning for travel, study, or fluency, Linga helps you learn languages by reading real content — faster, smarter, and more enjoyably than ever. Download Linga today and start your bilingual reading adventure! Your feedback helps us improve! Contact us at: support@linga.io Privacy Policy: https://linga.io/privacy Terms of Use: https://linga.io/terms

About

duoBooks

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.

Highlights
  • Instant translation of any book
  • Personalized vocabulary dictionary
  • Spaced repetition for memorization
  • Audio voiceovers for pronunciation
  • Bilingual parallel text reading
  • EPUB reader for custom files
Features
Read full description

Read any book in any language with instant translation into your native language. We offer short stories designed specifically for beginner language learners. Alternatively, you can add any book from your device and read with translation whatever you want. Break any sentence into clear pieces and see every word explained in context. Instantly understand how the sentence works, what each word means, and how it fits into the full translation. In our app, you will also have your personal dictionary where you can keep your vocabulary in one place and easily review it whenever you want. Mastering correct pronunciation is key to language acquisition. In our app, you can listen to audio voiceovers of every sentence or word to hear it pronounced accurately. Immerse yourself in language learning with ease. To learn words, we provide a Spaced Repetition tool. With it you can review words at increasing intervals, ensuring long-term retention and mastery. Swipe through word flashcards effortlessly to build a robust vocabulary and make memorizing words a seamless part of your daily routine. Build your English vocabulary. Many people who are not native English speakers use our app as epub reader to read scientific materials or programming books in English. As long as you have an EPUB file for what you want to read, our app is the best choice. Our bilingual book reader is designed to enhance your language proficiency one page at a time. Practice and study foreign languages by reading parallel texts where every sentence is translated into your native language. Reading books with translation is a proven method for language learners to improve their reading comprehension, expand their vocabulary, and gain a deeper understanding of grammar structures. Read with translation any EPUB ebook from your device, or choose from our library with 3000+ books and short stories. Reading enhances your creativity, imagination, and empathy. Moreover, reading has been shown to reduce stress, improve mental health, and increase our overall well-being. Dive into a world of dual-language storytelling. Don't just take our word for it - hear what our users have to say: "This app has revolutionized my language study! I use it with my own EPUB files in a language I am studying. The interface is intuitive. It's also very fast to use and provides a smooth experience during long reading sessions." Read in English, German, French, Spanish, Italian, or any other language, build your vocabulary, and improve your grammar skills. With our cross-language ebook reader, translate books on the fly and listen to voiceovers of any sentence or word in your book. Best bilingual reading app available. With duoBooks you will: - Take control of your language learning journey and achieve your goals faster and easier than ever before. - Improve speaking by listening to how words and phrases are pronounced correctly. - Easily incorporate reading into your daily routine and reap the numerous benefits of this powerful skill, all while you learn English (or other languages). - Read English books with translation (or Spanish, French, etc.) easily even if it's not your native language. - Study words with scientifically proven technique (Spaced repetition). Swipe word cards and enjoy the process. Smart Interval system is as effective for memorizing words as English lessons. duoBooks offers short stories specifically created for beginners. They use simple vocabulary, repetitive words, simple dialogues, and uncomplicated sentences. Alternatively, we have a vast selection of classic literature. From the works of Edgar Allan Poe to the novels of Jane Austen. With over 3000+ classic ebooks available and the ability to import your own files, you'll never run out of options to practice your language skills. Whether you're a beginner or an advanced learner, duoBooks is your app for language learning success. Start your journey today with our free language learning app!

Screenshots

Linga4 screens
duoBooks4 screens

Verdict

The call

The clearest difference is review sentiment: Linga at 93% against duoBooks's 69%. Linga also leads on rating (4.9 vs 4.7) and ratings volume (177 vs 48). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Linga sells 8 in-app purchases, starting at $5.49 per month and duoBooks sells 11 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Linga holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 177 and 48 respectively. Written reviews point the same way: 93% of Linga's written reviews are positive against 69% of duoBooks's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. Both last shipped on September 21, 2026.

Scorecard3 real differences · 7 level
Linga versus duoBooks: the parameters behind the verdict, then further details
ParameterLingaduoBooks
PriceFreeFree
Rating4.9 (177 ratings) — better4.7 (48 ratings)
Positive reviews93.1% of reviews — better68.6% of reviews
Number of ratings177 — better48
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.515.0 — better
Further details — not scored
Size116 MB54 MB
Age rating9+12+
DeveloperAndrei SavchukPlainProg LLC

Customer experience

Linga

All ratings177 ratings
Positive98.9%
Neutral0.0%
Negative1.1%
Written reviews58 reviews
Positive93.1%
Neutral3.4%
Negative3.4%

duoBooks

All ratings48 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews35 reviews
Positive68.6%
Neutral11.4%
Negative20.0%

In-app purchases

8 purchases

Linga

Subscriptions2
  • Monthly$5.491 Month
  • Annual$54.901 Year
One-time6
  • Lifetime with 50% off$12.99
  • Lifetime with 30% off$17.99
  • Lifetime$25.99
Show 3 more
  • Lifetime with 50% off$54.99
  • Lifetime with 30% off$76.99
  • Lifetime$109.99
11 purchases

duoBooks

Subscriptions5
  • Full Plan7 Days trial$2.991 Month
  • Full Plan3 Days trial$6.991 Month
  • Full Plan7 Days trial$17.991 Year
Show 2 more
  • 6 Month Full Plan3 Days trial$19.996 Months
  • Full Yearly Plan3 Days trial$29.991 Year
One-time6
  • War and Peace$0.99
  • Silver Blaze$0.99
  • On The River$0.99
Show 3 more
  • Clochette$0.99
  • The Fishing Hole$0.99
  • Alice in Wonderland$0.99

Questions

Is Linga free?
Linga is free to download, with in-app purchases available.
Is duoBooks free?
duoBooks is free to download, with in-app purchases available.
Which has better reviews, Linga or duoBooks?
Linga is rated higher. Linga averages 4.9 out of 5 from 177 ratings, while duoBooks averages 4.7 from 48 ratings.
Do Linga or duoBooks have ads?
Neither Linga nor duoBooks shows ads.
Which is updated more often, Linga or duoBooks?
Linga ships an update every 2 weeks, and duoBooks every 2 weeks. Most recently, Linga was updated on September 21, 2026 and duoBooks on September 21, 2026.

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