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
Babbel
Structured courses with speech recognition and AI conversation practice
Last verified:
Babbel offers structured courses matched to your level, with speech recognition for pronunciation, an AI conversation partner and podcasts. You can try the first lesson of every course for free. Babbel says it has sold over 25 million subscriptions.
Key facts
| Available on | iOS, Android, Web |
|---|---|
| Format | Self-study app (structured courses) |
| Free option | First lesson of every course |
| AI features | AI conversation partner; speech recognition |
| Users (app’s claim) | “Over 25 million subscriptions sold” |
Sources: uk.babbel.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.
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