Inbox Warmup vs WarmEnvelopes
| Inbox Warmup | WarmEnvelopes | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | $39/mo | €9/mo |
| Open source | No | No |
| Platforms | api, Web | Web |
| Free plan | No | Yes |
| Custom warmup schedule | Yes | Yes |
| Spam monitoring | Yes | No |
| Multiple mailboxes | Yes | — |
| Warmup network | — | private |
| Daily email limit | — | 1,000 /day |
Both are listed in Best Email Warmup Software. On Everything Xiaomi, WarmEnvelopes scores higher on our published basis.