InboxPlan vs Mailwarmup
| InboxPlan | Mailwarmup | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | Yes |
| Paid from | — | $19/mo |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | No |
| Warmup network | private | shared |
| Custom warmup schedule | Yes | Yes |
| Spam monitoring | Yes | Yes |
| Multiple mailboxes | Yes | Yes |
| Daily email limit | — | 50 /day |
Both are listed in Best Email Warmup Software. On Freedom251, InboxPlan scores higher on our published basis.