Read your favorite books at your language level!
The Great Gatsby, Frankenstein, Moby Dick, Alice's Adventures in Wonderland, and over 400 other bestsellers available in 5 language levels and 7 languages.
Why reading builds real vocabulary - and why RidoBooks works.
Reading is one of the most effective and natural ways to learn a language. It exposes you to words in real contexts, strengthens memory through repetition, and helps you internalize grammar without even noticing.
Deep context learning
Seeing words in full sentences helps you remember not just what they mean, but how to use them naturally.
Real input, not boring drills
Instead of flashcards and grammar tables, you read meaningful, engaging content - which sticks better.
Repetition without boredom
Frequent exposure to the same words across different stories makes vocabulary stick - naturally and effortlessly.
Content at your level
RidoBooks adapts every book to your current level, so you're never lost and always learning just enough.
Built-in translation & tools
Tap any sentence to see the translation - and reinforce your understanding on the spot.
Learning that feels like reading
No pressure, no tests. Just books you enjoy - and a smarter way to grow your vocabulary every day.
Reading improves your vocabulary range.
Learn by reading what you love.
Discover classics and modern favorites adapted to your language level.
Read every day.
Improve your language skills, expand your vocabulary, and discover great stories tailored to your level.
From beginner to advanced.
Choose from 5 language levels and 7 languages. Progress at your own pace.
Read. Understand. Grow.
No boring exercises - just real books made easier to read.
Your daily language workout.
Even 10 minutes a day makes a difference. Build a habit with RidoBooks.
Languages & Levels
RidoBooks supports 7+ languages and 5 learning levels — designed to help you grow wherever you are in your journey.
Available Languages
Learning Levels
🟢 Elementary
For true beginners. Learn basic words and simple sentences.
🟡 Beginner
Start building real sentences and understanding short stories.
🔵 Intermediate
Understand everyday conversations, articles, and more.
🟣 Advanced
Master grammar, long texts, and deeper vocabulary.
🟥 Slang / Native
Understand jokes, idioms, and real-world informal language.
In peace and relaxation - expand your vocabulary.
Over 400 adapted classics and bestsellers.
From The Great Gatsby to Frankenstein - enjoy timeless stories at your level.
Perfect for night reading.
Comfortable colors and dark mode to protect your eyes.
5 reading levels. 7 languages.
Tailored content that matches your language journey.
Offline mode.
Read anywhere, anytime - no internet needed.
Smart progress tracking.
The app remembers where you left off - always pick up right where you stopped.
Instant translations.
Tap any passage to see it translated into your chosen language.
Frequently Asked Questions
Got questions? We've got answers.
What is RidoBooks? â–¼
RidoBooks is an app that helps you read classic and modern books tailored to your language level and in your chosen language.
How does the language level system work? â–¼
Books are adapted into 5 difficulty levels — from Elementary to Advanced Slang — so you can read at your pace and improve step by step.
Can I use RidoBooks offline? â–¼
Yes! All downloaded books are available offline, so you can read anytime, anywhere — without needing an internet connection.
What languages are supported? â–¼
We currently support English, Spanish, French, Italian, German, Russian, Polish, and Japanese — with more on the way.
How is vocabulary improved through reading? â–¼
Context-based reading naturally exposes you to new words and phrases, helping you understand and retain vocabulary better than traditional memorization.