Product · Lumini

Speak German,
not just practice it.

Pass your oral exam B1–C1 and overcome speaking anxiety with over 160 realistic AI conversation scenarios for daily life, work, and the DTZ exam.

Start for free · No subscription required

600+ language exercises in Lumini
AI conversation in Lumini
160+ Conversation scenarios
B1–C1 Language levels
5 Feedback dimensions
24/7 AI language coach
The problem

Lost for words when it matters most?

At the doctor, at a government office, in a job interview. You know the grammar, but you freeze in the real moment. Textbooks prepare you for exercises, not for real life.

The solution

Lumini trains real speaking.

Your personal AI language coach analyzes your pronunciation, grammar, and vocabulary in real dialogues. Get instant feedback and go from silent observer to confident speaker.

App insights

This is what learning to speak looks like.

Detailed feedback after conversation
Detailed feedback Pronunciation, grammar, vocabulary, structure, and fluency at a glance.
Real-time AI dialogue
Real dialogues Talk to the AI like a real person. Cooking, daily life, work.
Role-play scenarios
600+ role-plays From planning a party to reporting allergies. All with illustrations.
Exam preparation
Exam mode Practice blog texts, grammar, writing, and word bank exercises.
Life in Germany test
Life in Germany Original questions for the citizenship test. Master them playfully.
Features

What Lumini covers.

Pass the B1 oral exam & DTZ

  • DTZ & B1: Targeted training for telc, Goethe-Institut, and TestDaF.
  • Introduce yourself: Master the classic oral exam tasks fluently.
  • Citizenship test: Preparation for the "Life in Germany" test.

160+ scenarios: German in real life

  • Daily life: Confidently ask for directions, talk to neighbors, make small talk.
  • Government offices: Navigate immigration offices and job centers with confidence.
  • Career: Professional language for healthcare, office, and trades (B1–C2).

AI pronunciation & instant feedback

  • Instant correction: Grammar feedback while you're speaking.
  • Interactive role-plays: Practice dialogues until you feel confident.
  • Adaptive level: The app adjusts to your progress (B1–C2).
Comparison

Why Lumini works better than a textbook.

Textbook

  • Static exercises without context
  • No pronunciation feedback
  • Memorize scripted answers
  • Practice alone without a partner
  • Fixed lessons, no adaptation

Lumini

  • Real dialogues in realistic scenarios
  • AI analyzes pronunciation in real time
  • You actually speak and apply knowledge
  • AI conversation partner, always ready
  • Adapts to your level (B1–C2)
Use cases

What you can use Lumini for.

DTZ & B1

Realistic exam simulations for telc, Goethe-Institut, and TestDaF formats. Self-introduction, picture description, discussion.

Citizenship test

Preparation for the "Life in Germany" test with original questions and everyday conversation practice.

B2 Professional

Professional language for healthcare, office work, skilled trades, and other workplace contexts.

Daily life & social

Talk to neighbors, doctor's appointments, parent-teacher nights, government offices, and small talk with colleagues.

Unlike static exercises, Lumini offers a dynamic environment where you actively have to speak German. It's the perfect complement to your integration course.

The philosophy behind Lumini
Get started

From silent observer to confident speaker.

Download Lumini and start training for your B1 oral exam. Practice speaking and listening where uncertainty actually happens: in real situations.

Practice speaking & letter writing for telc, DTZ & Goethe. B1–C1 oral exam.