4Book Lexi: 3000 слів English

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About this app

Do you want to learn English effectively, but are you tired of boring cramming with rare terms? Welcome to 4Book Lexi — a smart trainer created specifically for quickly expanding your vocabulary and improving your listening comprehension. Our methodology is based on the principle of frequency (80/20 method). You learn only those 3100 English words that native speakers use in 90% of everyday communication. The higher the popularity rating of a word in real life, the sooner you will encounter it in lessons!

What will help you learn English words and grammar with 4Book Lexi:
• Unique frequency dictionary:
Word cards contain high-quality voiceover, transcription and examples of use in context.
• Adapted books and audiobooks:
Read interesting literature of different genres according to your level (from A1 to B2). Listen to professional audio and translate unfamiliar words or whole sentences in one click right while reading.
• Practical dialogues:
Discover ready-made conversation topics for real-life situations (travel, work, dating, everyday life).
• 48 grammar lessons:
Simple, clear rules without unnecessary theory and "water", which are automatically offered to consolidate the material.
• Audio mode:
Learn English by ear when your hands are busy - on the road, on a run or during a break.
• Pronunciation training:
The built-in speech recognition system will help you check your pronunciation and get rid of your accent.

Thanks to the smart interval repetition system, the application itself determines when you need to refresh your memory of the learned English words to transfer them to long-term memory. You can flexibly adjust the frequency of grammar lessons in the application menu to suit your learning pace. Start systematic learning of English today! Download 4Book Lexi and complete your first word list.
Learning English: 3100 frequency words, audiobooks and grammar.
Updated on
Sep 16, 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
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  • No data collected
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What’s new

Додано повну підтримку іспанської мови.
Покращено роботу уроків, граматики, діалогів і бібліотеки.
Оптимізовано завантаження книг та стабільність застосунку.
Також внесено невеликі покращення інтерфейсу.
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Everyone
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About the developer
Illia Makarov
4bookorg@gmail.com
Ukraine