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

70+ languages, free through many libraries
Last verified:
Mango Languages teaches 70+ languages with native-speaker recordings and Voice Comparison for pronunciation. It offers free, library-backed access.
| Available on | iOS, Android, Web |
|---|---|
| Format | Self-study app (conversation-based) |
| Languages (app’s claim) | 70+ |
| Free option | Free via participating libraries |
Sources: mangolanguages.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
Audio-first courses in 50+ languages, with offline learning
Alternative to Babbel, Rosetta Stone
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