Duolingo
FreeAI-powered language learning
About Duolingo
The world's most-used language learning app — now with AI conversation practice, personalised lesson paths, and an AI tutor for immersive speaking drills across 40+ languages. The gamification works better than most people expect, and the free tier is genuinely useful rather than a perpetual paywall tease.
How Duolingo compares
| Rating | 4.7 | 4.6 | 4.6 | 4.5 |
| Reviews | 190 | 240 | 310 | 190 |
| Price | Free / From $7/mo | Free / $44/yr | From $22/mo | Free / From $8/mo |
| Free tier | Free | Limited credits | None | Free |
| API access | ✗ | ✗ | ✗ | ✗ |
| Watermark | No | No | No | No |
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