Lexioo - Advanced English

Go from good to native-like.

Lexioo is the AI-powered fluency coach designed for advanced English learners (B2–C1) who want to master real-world English. Whether you're aiming to sound more natural at work, write like a pro, or speak with confidence in any setting, Lexioo helps you close the last gap to true fluency.

AI Fluency Coach with Memory
Converse with realistic AI personas who remember your progress and adapt to your level. Perfect for practicing natural English in professional and casual settings.

Writing That Gets You Noticed
Get real-time grammar, tone, and vocabulary feedback—plus instant rewrites and mini-games that train you to write more clearly, powerfully, and concisely.

Vocabulary That Sticks
Stop memorizing rare words. Lexioo teaches the words and phrases native speakers actually use, with tracking to reinforce what you’ve learned and spot your gaps.

Smart Reading Tools
Read real news, stories, and articles. Tap to simplify difficult sentences, define unfamiliar words, or translate when needed.

Lexioo isn’t for beginners. It’s for learners stuck in the “last mile”—those who already know English well but want to sound truly fluent and natural.

Who is Lexioo for:

Professionals who write and speak globally

Advanced ESL learners preparing for high-stakes exams or careers

Anyone who wants to stop sounding like a learner and start thinking in English

Try It Free
Start your fluency upgrade with a free trial. No commitments. Cancel anytime.