LexyBooster

In-app purchases
Content rating
Everyone
50+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

LexyBooster — a free vocabulary learning app with a scientific approach to memorization.

🧠 SPACED REPETITION (SRS)
Learn words using a scientifically proven method. The app schedules reviews at optimal intervals so you remember words long-term, not just for a test.

🌍 18 LANGUAGES, 306 PAIRS
Learn any language from any language — not just from English. Whether you speak Russian and want to learn Japanese, or speak Turkish and want to learn Korean — LexyBooster has you covered.

Supported languages: English, German, French, Spanish, Italian, Portuguese, Russian, Ukrainian, Turkish, Arabic, Hindi, Chinese, Japanese, Korean, Polish, Dutch, Swedish, Swahili.

📚 10,000+ WORDS PER LANGUAGE
Vocabulary organized by CEFR levels (A1–C2). Start with basics and progress to advanced — everything is structured for real results.

🎮 6 LEARNING MODES
• Flashcards — classic word review with flip animation
• Multiple Choice — pick the correct translation
• Typing — spell the word yourself
• Listening — hear the word and type it
• Matching — connect pairs as fast as you can
• Review — revisit words you've already learned

🏆 GAMIFICATION THAT MOTIVATES
• Daily XP goals to keep you consistent
• Streaks to build a learning habit
• Achievements to celebrate milestones
• Leaderboard to compete with others
• Daily challenges for extra rewards
• Duels — challenge friends to vocabulary battles

🗣️ TEXT-TO-SPEECH
Hear native pronunciation for every word. Powered by Google Cloud TTS for natural-sounding speech in all supported languages.

📱 WORKS EVERYWHERE
LexyBooster is a Progressive Web App (PWA). Use it on your phone, tablet, or computer — your progress syncs across all devices.

💡 KEY FEATURES
✓ 100% free — no hidden subscriptions or paywalls
✓ No ads
✓ Dark and light theme
✓ Works offline after initial load
✓ Multi-language interface (14 UI languages)
✓ Custom word sets — add your own vocabulary
✓ CEFR level filtering (A1 to C2)
✓ Detailed learning statistics and progress tracking

🚀 PERFECT FOR
• Language students preparing for exams
• Travelers learning essential vocabulary
• Polyglots studying multiple languages simultaneously
• Anyone who wants a serious, distraction-free learning tool

Start learning smarter today. Download LexyBooster — it's free!
Learn vocabulary in 18 languages with spaced repetition. 306 language pairs!
Updated on
Jul 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and App activity
Data is encrypted in transit
You can request that data be deleted

What’s new

Stability improvements and preparation for premium features.