Recognizes over 50 languages and dialects, including German ("Telefonbuch" context).
Transcriptions are often processed locally using Apple's voice recognition API rather than being sent to external servers. Download Information download-textify-telefonbuch-ipa
Are you trying to from voice notes, or were you looking for a different app that manages a phone directory? Textify - Don't listen.. Read! - App Store - Apple Recognizes over 50 languages and dialects, including German