ProWritingAid vs SpellBoy
| ProWritingAid | SpellBoy | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $10/mo | — |
| Open source | No | No |
| Platforms | extension | Web |
| Free plan | Yes | Yes |
| Paid from | $550/user/mo | — |
| Browser extension | Yes | — |
| Desktop app | Yes | — |
| Mobile app | No | — |
| Style suggestions | Yes | — |
| Languages supported | 1 | — |
Both are listed in Best Grammar Checkers, Best AI Grammar Checkers. On Specifiction, ProWritingAid scores higher on our published basis.