What's inside
One app. Every step
to fluency.
Lessons, practice, your own words and an AI tutor — ten tools across six languages, all feeding one plan that adapts to you.
6 languagesA1–C2Free to start
Grammar lessons, explained.
Bite-sized lessons across the whole CEFR ladder show the why behind every rule — in English, Spanish, French, German, Italian and Portuguese.
Browse the libraryStart exactly where you are.
A short placement quiz pinpoints your CEFR level, so your plan begins at the right rung — not at page one.
Find your levelPractise till it's automatic.
Every lesson ends in interactive exercises that mark themselves the moment you answer — each with its own original artwork.
Try an exerciseA little, often.
Spaced repetition resurfaces each word right before you'd forget it. A session takes minutes.
Start a sessionSay it out loud.
Speak your own study words and get feedback, word by word.
Practise speakingTurn any video into vocabulary.
Paste a YouTube link or any text — Flumi pulls out the words worth learning and files them into your study list.
Import somethingTrain your ear.
Check how much you understand by ear, at the CEFR level you choose — and watch it climb.
Test your earA tutor that knows your plan.
It sees your plan, your mistakes and your words — so answers point at the exact next thing to do in Flumi, and can open it for you.
Meet the tutorYour errors, working for you.
Every slip is collected and grouped into the patterns you repeat — then served back as targeted practice.
See your patternsEvery word you've met.
All your saved words, with the ones you're still learning marked.
Open my wordsIt all feeds one daily plan.
Lessons due, words to review, mistakes to retry — folded into a short plan for today. Do the plan; the plan adapts.
Start your planReady when you are.
Every tool above is free to start — in your browser, today.
Free forever. No credit card required.