Mailtwine vs Spike
| Mailtwine | Spike | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $4/mo |
| Open source | No | No |
| Platforms | Android, iOS, Linux, macOS, Web, Windows | Android, iOS, macOS, Web, Windows |
| Free plan | No | Yes |
| Inbox triage | Yes | — |
| AI reply drafting | Yes | — |
| Automatic sending | Yes | — |
| Thread summaries | Yes | — |
| Follow-up actions | Yes | — |
| Paid from | — | 4 /user/mo |
Both are listed in Best AI Email Assistants. On Inferse, Spike scores higher on our published basis.