
A rigorous, beautifully structured curriculum — 465 lessons from your first Hallo to fluent C2 — with a living dictionary, real pronunciation practice and an AI Professor who answers any question.
Nine complete courses. Follow the CEFR ladder from A1 to C2, or take a focused sprint to get speaking fast. Each lesson blends vocabulary, grammar, a real dialogue, a quiz, speaking practice and an AI conversation.
From A1 to C2 \u2014 tap a card to flip and see the can-do skills and study hours.
The Common European Framework defines six levels of ability. Here is what you can do at each one — so you always know where you are and where you are headed. Tap a card to flip it.
The German alphabet has the 26 Latin letters plus three umlauts — Ä, Ö, Ü — and the ß (Eszett). Tap any letter to hear it spoken, with a word that starts with it.
Tip: tap a tile to hear “A wie Apfel” in German.
Reading a rule is not learning a language. Each lesson moves you from seeing, to understanding, to actually using German out loud.
The whole curriculum in your pocket — and it works offline. Carry A1 to C2, your dictionary, flashcards and the AI Professor wherever you go.
Over 1,200 German⇄English headwords, compiled from every lesson you'll study.
Each entry shows the article, plural, part of speech and — for verbs — the present tense.
See each word used in context, pulled straight from the dialogues and grammar.
Need a word beyond the set? The AI Professor defines it live, with examples.
Create an account and the full A1–C2 curriculum opens immediately. No card, no catch — learn at your own pace.
I went from zero to ordering confidently in Berlin in three months. The dialogues are what made it click for me.
The dictionary is unreal — every word shows the gender and a real sentence. I stopped guessing der/die/das.
The AI Professor answered my grammar questions at midnight before my exam. Passed B2 with the speaking practice.
Practice for TestDaF, DSH, Goethe-Zertifikat, telc Deutsch and ÖSD — one full mock paper free for each, with answer keys. Or unlock the 10-paper pack.
Free video lessons from @germanprofessors — scroll through and tap any one to watch.
Join thousands learning with German Professors. Open the curriculum, or take Lerni with you anywhere.
Lerni is built around AI. From your first word to fluency, Professor AI teaches, corrects, converses and adapts to you — a patient German teacher always on hand.
Ask anything about German — grammar, words, culture — and get a clear, friendly answer at your level, any time of day.
Hold real German conversations with an AI that keeps the dialogue at your level and never loses patience.
Make a mistake and the AI gently shows the correct form with a one-line reason, turning every slip into a lesson.
Record yourself and get an instant score, so your accent improves with every attempt.
The tutor detects your CEFR level from A1 to C2 and tailors explanations, examples and pace to match.
Get meanings, examples and context for any of 10,000 words on demand — learning in context, never in isolation.
Rated 5.0 stars on Google across 5,173 reviews. Here is what learners say about Lerni.
Finally a German app that explains the grammar clearly. The A1 to C2 path makes sense and the examples stick.
The 10,000-word dictionary with audio is gold. I look up a word, hear it, and it goes straight into a flashcard deck.
Professor AI actually answers my grammar questions and corrects me kindly. Feels like a real tutor.
Love the themed flashcards — learning food and travel words in context made my trip to Berlin so much easier.
The pronunciation scoring pushed me to actually speak. My accent improved in weeks.
Clean, friendly and not overwhelming. The fox keeps me coming back for my daily streak.
Best part is the dictionary search — type the first letters and the word appears instantly.
I went from zero to ordering coffee in German confidently. The lessons are short and doable.
The grammar reference is fantastic — cases, Konjunktiv, passive, all in plain English with examples.
Audio plus examples plus quizzes in one place. Exactly what self-learners need.
Reached B1 in a few months. The CEFR structure kept me on track.
The AI tutor explained the dative case better than my textbook ever did.
Great for busy people — ten minutes a day and I keep my streak alive.
The flashcard decks by theme are brilliant for building real vocabulary fast.
Hörverstehen improved a lot thanks to the German audio on every word.
Simple, beautiful and genuinely useful. The example sentences make grammar click.
My kids and I both use it. Friendly mascot, clear lessons, real progress.
The exam practice gave me the confidence to sit my A2 test.
Switching German to English and back in the dictionary is so handy.
I finally understand word order and the cases. Five stars from a frustrated ex-beginner!
Finally a German app that explains the grammar clearly. The A1 to C2 path makes sense and the examples stick.
The 10,000-word dictionary with audio is gold. I look up a word, hear it, and it goes straight into a flashcard deck.
Professor AI actually answers my grammar questions and corrects me kindly. Feels like a real tutor.
Love the themed flashcards — learning food and travel words in context made my trip to Berlin so much easier.
The pronunciation scoring pushed me to actually speak. My accent improved in weeks.
Clean, friendly and not overwhelming. The fox keeps me coming back for my daily streak.
Best part is the dictionary search — type the first letters and the word appears instantly.
I went from zero to ordering coffee in German confidently. The lessons are short and doable.
The grammar reference is fantastic — cases, Konjunktiv, passive, all in plain English with examples.
Audio plus examples plus quizzes in one place. Exactly what self-learners need.
Reached B1 in a few months. The CEFR structure kept me on track.
The AI tutor explained the dative case better than my textbook ever did.
Great for busy people — ten minutes a day and I keep my streak alive.
The flashcard decks by theme are brilliant for building real vocabulary fast.
Hörverstehen improved a lot thanks to the German audio on every word.
Simple, beautiful and genuinely useful. The example sentences make grammar click.
My kids and I both use it. Friendly mascot, clear lessons, real progress.
The exam practice gave me the confidence to sit my A2 test.
Switching German to English and back in the dictionary is so handy.
I finally understand word order and the cases. Five stars from a frustrated ex-beginner!
Finally a German app that explains the grammar clearly. The A1 to C2 path makes sense and the examples stick.
The 10,000-word dictionary with audio is gold. I look up a word, hear it, and it goes straight into a flashcard deck.
Professor AI actually answers my grammar questions and corrects me kindly. Feels like a real tutor.
Love the themed flashcards — learning food and travel words in context made my trip to Berlin so much easier.
The pronunciation scoring pushed me to actually speak. My accent improved in weeks.
Clean, friendly and not overwhelming. The fox keeps me coming back for my daily streak.
Best part is the dictionary search — type the first letters and the word appears instantly.
I went from zero to ordering coffee in German confidently. The lessons are short and doable.
The grammar reference is fantastic — cases, Konjunktiv, passive, all in plain English with examples.
Audio plus examples plus quizzes in one place. Exactly what self-learners need.
