ChineseSkill vs Duolingo
| ChineseSkill | Duolingo | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web, iOS, Android | Android, iOS, macOS, Web |
| Free plan | Yes | Yes |
| Paid from | $11.99/mo | — |
| Offline lessons | Yes | Yes |
| Speech practice | Yes | Yes |
| Personalized review | Yes | Yes |
| Mobile apps | Yes | Yes |
| Languages offered | 3 | 40 |
| Placement test | — | Yes |
Both are listed in Best Language Learning Apps. On Samsung Mobile US Press, Duolingo scores higher on our published basis.