Compare software

BusuuDL: language lessons
Freemium

Free to start, with a paid subscription for full access.

 Free

The client is free and open source under GPL-3.0; Duolingo's own plans apply.

Android, iOS, Web Linux
  • Feedback from a community of native speakers
  • Pronunciation feedback in speaking practice
  • Dedicated window for Duolingo on Linux
  • Blocks common trackers
  • Full course access requires payment
  • Proprietary service that needs an account
  • Unofficial and not affiliated with Duolingo
  • Only wraps the web app, so it needs an internet connection to Duolingo
Downloadable app, Web application Downloadable app
Closed source Open source
License not stated License: GPL-3.0
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 1, 2026

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