GrammarPro vs WhiteSmoke
| GrammarPro | WhiteSmoke | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $5/mo | $0.83/mo |
| Open source | No | No |
| Platforms | Web | Web, Windows, macOS, iOS, Android |
| Free plan | Yes | Yes |
| Browser extension | No | Yes |
| Desktop app | No | Yes |
| Mobile app | No | Yes |
| Style suggestions | Yes | Yes |
| Tone detection | Yes | — |
Both are listed in Best Grammar Checkers. On Samsung Mobile US Press, WhiteSmoke scores higher on our published basis.