Spike vs thread.
| Spike | thread. | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $4/mo | Free |
| Open source | No | No |
| Platforms | Android, iOS, macOS, Web, Windows | extension |
| Free plan | Yes | Yes |
| Paid from | 4 /user/mo | — |
Both are listed in Best AI Email Assistants. On Specifiction, Spike scores higher on our published basis.