Duolingo vs NativShark
| Duolingo | NativShark | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | $15.49/mo |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web | Web |
| Free plan | Yes | No |
| Offline lessons | Yes | No |
| Speech practice | Yes | Yes |
| Placement test | Yes | — |
| Personalized review | Yes | Yes |
| Mobile apps | Yes | No |
| Languages offered | 40 | 1 |
| Paid from | — | $15.49/mo |
Both are listed in Best Language Learning Apps. On Samsung Mobile US Press, Duolingo scores higher on our published basis.