
Rektion: German Grammar
Prepositions & cases in use
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Know the word, but hesitate over the preposition or case? Practice German in full sentences with 260 constructions and 858 examples.
• Choose an answer or type it directly into the sentence.
• See the correct form and a short explanation after answering.
• Keep practicing constructions you have already learned.
• Look up a construction in the reference library.
• Hear sentences automatically or when you tap the audio button.
B1 includes 115 free constructions. One purchase unlocks B2, C1 and C1+ with no subscription. You can restore your purchase in the app.
Learning materials work offline. Every example includes natural German pronunciation, with recordings bundled for offline listening. Progress stays on your device, and you can export a backup.
Interface and explanations: Russian, English, Polish, Ukrainian, Turkish, Arabic, French and Spanish. Example sentences are in German. Level labels organize the material; they do not represent an official qualification.
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What's New in Rektion
1.8.4
October 28, 2026
• Natural German recordings for every example, available offline. • Choose any available level, chapter or individual construction. • Improved in-sentence answer entry and error feedback. • Updated level assignments and 64 revised examples. B1 now includes 115 free constructions. • Optional lesson reminders. Your progress is kept when you update.
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$3.99
Full version
Unlock B2, C1 and C1+. Pay once.






