KasusKnacker
An app for practicing the most common German grammar topics
What it does
KasusKnacker is a German practice app for people who already know the rules, but still hesitate mid-sentence (“den or dem?”). It focuses on deliberate practice: cases, articles, prepositions, conjugation, pronouns, plus flashcards for vocabulary and idioms. No long beginner lessons — just training. Available on Web, iOS and Android. Free to try. 100% ad-free. 50 free exercises daily.
Does the same job
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