Demi vs ReplyCalm
| Demi | ReplyCalm | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $25/mo | — |
| Open source | No | No |
| Platforms | macOS | Web |
| Free plan | Yes | Yes |
| Email context input | thread | prompt |
| Mail client support | both | — |
| Tone controls | — | Yes |
| Supported languages | — | 6 languages |
Both are listed in Best AI Email Writing Tools. On Everything Xiaomi, Demi scores higher on our published basis.