MailHeat vs Vocus.io: Email Warmup Tool vs Cold Email Platform Comparison
Compare MailHeat (email warmup tool) and Vocus.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare MailHeat (email warmup tool) and Vocus.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 4, 2026
MailHeat vs Vocus.io: Email Warmup Tool vs Cold Email Platform Comparison
MailHeat (email warmup tool) and Vocus.io (cold email platform) sit next to each other in many outbound stacks. They are not substitutes for each other on every job, so this comparison covers pricing, features, and integrations for each and points out where the two meet.
The Quick Answer
MailHeat is an email warmup tool for email domain warming and deliverability; Vocus.io is a cold email platform for cold email outreach. By each vendor's own wording, MailHeat lists secure smtp connection and health & activity dashboard, and Vocus.io lists email tracking and templates & snippets.
Vocus.io offers a lower entry point at $5/mo compared to MailHeat at $69.99/mo.
If your priority is building sender reputation and improving inbox placement, MailHeat is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Vocus.io. Many teams run one of each.
Understanding the Core Difference
MailHeat is 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.
Vocus.io is Email outreach platform for Gmail and Google Workspace. Sends personalized mass campaigns with automated follow-ups, tracks opens and link clicks per recipient, shares templates across a team and logs activity to a CRM.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Basic
MailHeat Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $69.99/mo | 1 account to warm (1 SMTP); 1 user | Up to 50 emails/day |
| Growth | $159.99/mo | Up to 3 accounts to warm (3 SMTPs); 2 users | Up to 200 emails/day per inbox |
| Scale | $479.99/mo | Up to 10 accounts to warm (10 SMTPs); 5 users | Up to 500 emails/day per inbox |
| Tailored Plan | Contact Sales | Unlimited accounts & SMTPs; unlimited users | Unlimited emails/day |
Source: MailHeat Pricing
Vocus.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | $5/mo | 5 Inboxes; 50 Snippets | 50 Followups |
| Starter | $10/mo | 5 Inboxes; 100 Snippets | 100 Followups |
| Professional | $20/mo | 10 Inboxes; 200 Snippets | 500 Followups |
| Growth | $80/mo | 800 snippets | external SMTP support |
Source: Vocus.io Pricing
Pricing Analysis
Vocus.io offers the lower entry point ($5/mo vs $69.99/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Features Breakdown
- Secure SMTP connection
- Health & activity dashboard
- Gradual warmup pacing
- Email & chat support
- Deliverability expert consulting
- Free Deliverability Audit
- and 2 more listed below
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- and 4 more listed below
MailHeat Key Features
- Secure SMTP connection
- Health & activity dashboard
- Gradual warmup pacing
- Email & chat support
- Deliverability expert consulting
- Free Deliverability Audit
- Success Manager
- Free tools
Vocus.io Key Features
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- Campaigns w/ Followups
- Campaigns w/ Attachments
- Branded URLs
- Teams
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by MailHeat
- Secure SMTP connection
- Health & activity dashboard
- Gradual warmup pacing
- Email & chat support
- Deliverability expert consulting
- Free Deliverability Audit
- Success Manager
- Free tools
Listed only by Vocus.io
- Email tracking
- Templates & Snippets
- Send Later & Snooze
- Automated Followups
- Salesforce & CRM Integration
- Campaigns
- Campaigns w/ Followups
- Campaigns w/ Attachments
- Branded URLs
- Teams
Integration Ecosystem
MailHeat Integrations
MailHeat connects with: SMTP, Gmail, Google Workspace, Microsoft 365, Outlook.
Vocus.io Integrations
Vocus.io connects with: Gmail, Google Workspace, Salesforce, Pipedrive, Zapier, Webhooks.
Shared Integrations
Both tools integrate with: Gmail, Google Workspace.
Integrations listed only by MailHeat: SMTP, Microsoft 365, Outlook.
Integrations listed only by Vocus.io: Salesforce, Pipedrive, Zapier, Webhooks.
Use Case Recommendations
Best Fit for MailHeat
- Enterprise buyers who prefer custom pricing and dedicated support
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Best Fit for Vocus.io
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (6 integrations)
Feature Comparison Summary
| Feature | MailHeat | Vocus.io |
|---|---|---|
| Starting Price | $69.99/mo | $5/mo |
| Top Tier Price | Contact Sales | $80/mo |
| Total Features Listed | 8 | 10 |
| Integrations | 5 | 6 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume and email sending volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
MailHeat serves the email domain warming and deliverability side of an outbound stack and Vocus.io the cold email outreach side. Vocus.io offers a more accessible entry point at $5/mo, while MailHeat starts at $69.99/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit MailHeat and Vocus.io for current information.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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