Duolingo vs studii
| Duolingo | studii | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web | iOS |
| Free plan | Yes | Yes |
| Mobile app coverage | No | ios |
| AI quizzes | — | Yes |
| Source uploads | — | Yes |
| Source citations | — | Yes |
Both are listed in Best AI Study Tools. On Inferse, Duolingo scores higher on our published basis.