Duolingo
Self-study course appsBite-sized, game-style lessons with a free tier
- Format
- Self-study app (game-style lessons)
- Free option
- Yes, free to learn
Alternative to Babbel, Rosetta Stone

Audio-first courses in 50+ languages, with offline learning
Last verified:
Pimsleur teaches through audio lessons built around listening and speaking, with offline, hands-free learning and a Voice Coach AI for pronunciation. Courses cover 50+ languages for English speakers, and you can try a free lesson.
| Available on | iOS, Android, Web |
|---|---|
| Format | Audio course |
| Languages (app’s claim) | 50+ for English speakers |
| Free option | Free lesson |
| Offline | Yes |
| AI features | Voice Coach AI (pronunciation) |
Sources: pimsleur.com, checked 22 Oct 2026. “Available on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.
Bite-sized, game-style lessons with a free tier
Alternative to Babbel, Rosetta Stone
Marketplace for 1-to-1 lessons in 150+ languages
Alternative to Babbel, Rosetta Stone
Live online classes with certified teachers, 7-day free trial
Alternative to Babbel, Rosetta Stone
70+ languages, free through many libraries
Alternative to Rosetta Stone, Babbel
Online tutors on app and web, with a free tutor swap
Alternative to Babbel, Rosetta Stone
Structured courses with speech recognition and AI conversation practice
Alternative to Duolingo, Rosetta Stone