Basis
Free
basic functions · personal bookmark with registration
Checked 20 Oct 2026
Plans and prices
Duden-Mentor pricing
Duden Pur
€2.99 a month
ad- and tracking-free duden.de and app · personal bookmark
Checked 20 Oct 2026
Pur
€2.99 a month
10 Test-Korrekturen/Umformulierungen pro Monat
Checked 11 Oct 2026
Premium
€7.95 a month
250 text optimizations per month · selectable text type and style · Word add-in · Chrome, Firefox and Edge extensions · style tips · synonyms
Checked 20 Oct 2026
Premium Plus
€9.95 a month
unlimited text optimizations per month · selectable text type and style · Word add-in · Chrome, Firefox and Edge extensions · style tips · synonyms
Checked 20 Oct 2026