Learn German online, from A1 to C2
Referi is a practice app for learning German step by step: verbs, nouns with der/die/das, sentence building, emails, writing and practice tests — each answer comes with an explanation.
On the web Referi costs €20 once — no subscription and no ads. The Android app is free, with short ads only at natural breaks.
What you practise when learning German with Referi
Verbs
Meaning, Perfekt forms and an example sentence for every verb.
Nouns: der, die, das
The article and plural of each noun, so you stop guessing.
Sentence building
Put German word order together piece by piece.
Emails and writing
Formal and informal emails and writing tasks for every level.
Practice tests
Reading texts with questions and an explanation for every answer.
Everyday conversations
250+ lessons with phrases, dialogues and speaking tasks (B1–C1).
Learning keeps you going with XP, a daily goal and streaks, a list of your own mistakes to repeat, a 60-second blitz mode and a “marathon” that keeps asking until you know every question.
Referi follows the six levels of the Common European Framework (CEFR). Start where you are — every level has its own verbs, nouns, sentences, emails, practice tests and writing tasks.
German A1 – your first words and sentences
Everyday basics: greetings, family, shopping, your flat and your working day. Learn the most common verbs and the article (der, die, das) of every noun from the start, and name words from pictures.
In Referi: 150+ verbs · 300+ nouns · 80+ sentences · 19 emails · 8 practice tests · 12 writing tasks
German A2 – everyday situations
Talk about the past with the Perfekt, write short messages and emails, and read short texts about appointments, travel and work.
In Referi: 230+ verbs · 260+ nouns · 80+ sentences · 20+ emails · 8 practice tests · 12 writing tasks
German B1 – work, housing and appointments
The level many people need for work and residence in Germany. Practise longer reading texts (job interviews, moving house, doctor’s offices, school), formal and informal emails and short opinion texts.
In Referi: 390+ verbs · 290+ nouns · 80+ sentences · 20+ emails · 8 practice tests · 11 writing tasks
German B2 – confident at work and in study
A much larger verb list, nouns with tricky plurals, more complex sentences, and longer texts and emails for work and university.
In Referi: 630+ verbs · 310+ nouns · 110+ sentences · 20+ emails · 12 practice tests · 10 writing tasks
German C1 – advanced, precise German
Nuanced vocabulary, formal style and demanding reading passages for people who use German at a professional level.
In Referi: 480+ verbs · 290+ nouns · 80+ sentences · 20+ emails · 8 practice tests · 10 writing tasks
German C2 – near-native level
Rare verbs, idiomatic expressions and complex texts to polish German that is already very good.
In Referi: 500+ verbs · 280+ nouns · 80+ sentences · 20+ emails · 8 practice tests · 10 writing tasks
German B1 practice tests
B1 is the level often asked for at work, for a residence permit or for citizenship in Germany. Referi has 8 B1 practice tests with real-life reading texts — moving house, a job interview invitation, opening hours at the doctor’s, a parents’ evening — plus 20+ emails and 11 writing tasks at B1. Every answer is explained, so you understand why it is right.
Practice only: Referi is not an official exam provider, does not register you for any test and issues no certificates. Official German exams are taken only at recognised test centres.
Leben in Deutschland practice
Referi includes 6 independent practice blocks for the “Leben in Deutschland” subject area: politics, history and society in Germany.
Referi is an independent app and not a government entity. It is not affiliated with or endorsed by the Bundesamt für Migration und Flüchtlinge (BAMF). The official test and question catalogue are published by BAMF: official BAMF online test centre.
Deutsch lernen mit Referi
Referi ist eine App zum Deutschlernen von A1 bis C2: Verben, Nomen mit Artikel (der, die, das), Satzbau, E-Mails, Schreiben und Übungstests mit Erklärungen. Die Oberfläche ist auf Englisch oder Albanisch.
On the web and on Android
On the web Referi costs €20 once — no subscription and no ads. The Android app is free, with short ads only at natural breaks. One account works everywhere: buy on the web or sign in with Google, and your progress follows you between your phone and your computer. On iPhone, open referi.ucagg.de in Safari and add it to your home screen.
Frequently asked questions
Can I learn German online with Referi?
Yes. Open referi.ucagg.de in any browser on your computer, tablet or iPhone, or install the Android app from Google Play. Your progress is saved to your account.
Which levels does Referi cover?
All six levels of the Common European Framework: A1, A2, B1, B2, C1 and C2. You can start at any level.
Does Referi prepare me for the German B1 exam?
Referi gives you B1 practice: reading tests with an explanation for every answer, emails, sentence building and writing tasks. It is practice material only — it is not an official exam, does not book or administer tests and issues no certificates.
Is it a subscription?
No. On the web you pay once and get full access. The Android app is free, with short ads at natural breaks.
Which languages is the app in?
The interface is in English or Albanian, and every explanation is available in both. With the Albanian interface you can also learn English A1–C2.