Duolingo vs Language Reactor
| Duolingo | Language Reactor | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web | Web, Windows, macOS, iOS |
| Free plan | Yes | Yes |
| Offline lessons | Yes | — |
| Speech practice | Yes | Yes |
| Placement test | Yes | — |
| Personalized review | Yes | Yes |
| Mobile apps | Yes | Yes |
| Languages offered | 40 | 67 |
Both are listed in Best Language Learning Apps. On Samsung Mobile US Press, Duolingo scores higher on our published basis.