Compare software

LingoDeerDuolingo
Freemium

Full access to all languages and features is a paid purchase, with multi-year plans…

 Freemium

Free courses, with paid subscriptions including Duolingo Max and a one-week free trial.

Android, iOS Android, iOS, Web
  • Grammar-based curriculum written by language teachers
  • Native speaker audio instead of text-to-speech
  • Short lessons that fit into a few minutes a day
  • Habit-building features such as streaks and reminders
  • Full access requires payment
  • Mobile apps only in the listed downloads
  • AI features of Max require a paid subscription
  • Game-like format is lighter than a structured course
Downloadable app Downloadable app, Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.