Grammarly vs Harper
| Grammarly | Harper | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $12/mo | Free |
| Open source | No | No |
| Platforms | Android, iOS | Web, Windows, macOS, Linux |
| Free plan | Yes | Yes |
| Paid from | $12/user/mo | — |
| Browser extension | Yes | Yes |
| Desktop app | Yes | Yes |
| Mobile app | Yes | — |
| Style suggestions | Yes | Yes |
| Tone detection | Yes | — |
| Languages supported | 24 | 1 |
Both are listed in Best Grammar Checkers, Best AI Grammar Checkers. On Inferse, Grammarly scores higher on our published basis.