Warmbox
6.2#19 in email warmup softwareFrom $15 a monthWeb
VisitWarmbox vs WarmEnvelopes
WarmEnvelopes
7.2#4 in email warmup softwareFrom €9 a monthFree planWeb
VisitWhat both publish
| Fact | Warmbox | WarmEnvelopes |
|---|---|---|
| Purpose | Warmbox says it automatically sends and interacts with emails from a connected inbox to raise sender reputation and email deliverability. | WarmEnvelopes schedules real warm-up emails from a configured domain through the user's Resend account to recipient inboxes they control, to build sending history. |
Warmbox plans
- Solo (yearly billing)$15 a month
- Solo (monthly billing)$19 a month
- Start-up (yearly billing)$69 a month
- Start-up (monthly billing)$79 a month
- Growth (yearly billing)$139 a month
- Growth (monthly billing)$159 a month
WarmEnvelopes plans
- FreeFree
- Pro€9 a month
Pick Warmbox if…
Warmbox suits individuals and teams seeking automated inbox warming and deliverability monitoring. Its listed providers and agency workspaces may be relevant to organizations managing multiple inboxes or brands.
Pick WarmEnvelopes if…
WarmEnvelopes is for people managing their own or authorized domains who can send to consenting inboxes through Resend. Its configurable Pro ramp may suit users who need to set daily sending volumes.