Tool comparison · Head to headUpdated 9/4/2026
MailHeat vs Reply.io
A factual comparison of features, pricing, and capabilities.
01The contenders
MailHeat
Inbox warmup and deliverability platform that simulates the positive engagement mailbox providers reward across a warmup pool, with gradual pacing, a per-inbox health dashboard and deliverability expert consulting on the higher tiers.
Starting at$69.99/month
02Line by line
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
03Capabilities
Feature comparison.
| Feature | MailHeat | Reply.io |
|---|---|---|
| Secure SMTP connection | ||
| Health & activity dashboard | ||
| Gradual warmup pacing | ||
| Email & chat support | ||
| Deliverability expert consulting | ||
| Free Deliverability Audit | ||
| Success Manager | ||
| Free tools | ||
| Unlimited email warmup | ||
| 1 billion B2B contacts database | ||
| Anti-spam & deliverability suite | ||
| LinkedIn automation (add-on) | ||
| SMS and calls (add-on) | ||
| AI personalization | ||
| AI SDR capabilities | ||
| Multi-workspace for agencies | ||
| 14-day free trial |
Available
Partial/Limited
Not Available
04Ecosystem
Native integrations.
MailHeat
SMTPGmailGoogle WorkspaceMicrosoft 365Outlook
Reply.io
HubSpotSalesforcePipedriveCopper CRMZendesk SellCloseZapierMaken8n
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.