Mailivery vs Warmup Inbox: Email Warmup Tool Comparison
Compare Mailivery and Warmup Inbox side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Mailivery and Warmup Inbox are both email warmup tools for improving sender reputation, but they differ in pricing and approach. Mailivery starts at $29/mo with unlimited mailboxes and 200 shared warm-up emails/day, using a peer to peer network. Warmup Inbox starts at $19/mo with 75 warmup messages/day per inbox, using a network of more than 30,000 real inboxes.
Key takeaways
- Mailivery's Starter plan costs $29/mo and includes unlimited connected mailboxes with 200 shared warm-up emails per day.
- Warmup Inbox's Basic plan costs $19/mo and includes 75 warmup messages per day per inbox, making it the lower entry point of the two.
- Warmup Inbox uses a network of more than 30,000 real inboxes to exchange natural-looking email, while Mailivery relies on a peer to peer network of active mailboxes.
- Warmup Inbox offers 4 pricing tiers, including a custom agency plan starting at 15 inboxes, compared to Mailivery's 3 tiers.
- SendGrid is the only integration both Mailivery and Warmup Inbox list, though Warmup Inbox also connects with Zoho Mail, Amazon SES, Mailgun, and Sendinblue (Brevo).
Reviewed and updated September 2, 2026
Mailivery vs Warmup Inbox: Email Warmup Tool Comparison
If you are comparing email domain warming and deliverability tools, Mailivery and Warmup Inbox will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, Mailivery lists email warm up and inbox placement test, while Warmup Inbox lists email warmup and cold email sequence. A capability both offer can appear under different names, so read both feature lists below.
Warmup Inbox offers a lower entry point at $19/mo compared to Mailivery at $29/mo.
If your priority is building sender reputation and improving inbox placement, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
Mailivery is Email warm-up and deliverability tool that improves sender reputation by holding real conversations in your inbox through a peer to peer network of active mailboxes. Plans are priced on total daily warm-up volume and allow unlimited connected mailboxes, with inbox placement tests, blacklist monitoring and email verification included.
Warmup Inbox is Email warmup service that exchanges natural-looking email with a network of more than 30,000 real inboxes to build sender reputation automatically. Also offers cold email sequences, language warmup, ESP warmup and IP warmup from the same dashboard.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Basic
Mailivery Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED mailboxes | 200 warm-up emails / day (shared) |
| Professional | $79/mo | UNLIMITED mailboxes | 800 warm-up emails / day (shared) |
| Business | $199/mo | UNLIMITED mailboxes | 2,500 warm-up emails / day (shared) |
Source: Mailivery Pricing
Warmup Inbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Basic | $19/mo | per inbox | 75 warmup messages/day |
| Pro | $59/mo | per inbox | 250 warmup messages/day |
| Max | $99/mo | per inbox | 1,000 warmup messages/day |
| For agencies & teams | Contact Sales | Custom plans starting at 15 inboxes | custom |
Source: Warmup Inbox Pricing
Pricing Analysis
Warmup Inbox offers the lower entry point ($19/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmup Inbox offers 4 pricing tiers compared to Mailivery's 3, giving you more granularity as you scale.
Features Breakdown
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- and 3 more listed below
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- and 3 more listed below
Mailivery Key Features
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
Warmup Inbox Key Features
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- Email reputation Check
- Human-like AI generated content
- Developers API
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 Mailivery
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
Listed only by Warmup Inbox
- Email warmup
- Cold email sequence
- Language warmup
- ESP warmup tool
- IP warmup
- Spam & Category monitoring
- Email reputation Check
- Human-like AI generated content
- Developers API
Integration Ecosystem
Mailivery Integrations
Mailivery connects with: Gmail, GSuite, Microsoft 365, SMTP, SendGrid.
Warmup Inbox Integrations
Warmup Inbox connects with: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, SendGrid, Sendinblue (Brevo), Any inbox with SMTP.
Shared Integrations
Both tools integrate with: SendGrid.
Integrations listed only by Mailivery: Gmail, GSuite, Microsoft 365, SMTP.
Integrations listed only by Warmup Inbox: Gmail & Workspace, Outlook & Microsoft 365, Zoho Mail, Amazon SES, Mailgun, Sendinblue (Brevo), Any inbox with SMTP.
Use Case Recommendations
Best Fit for Mailivery
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Best Fit for Warmup Inbox
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Mailivery | Warmup Inbox |
|---|---|---|
| Starting Price | $29/mo | $19/mo |
| Top Tier Price | $199/mo | Contact Sales |
| Total Features Listed | 9 | 9 |
| Integrations | 5 | 8 |
Getting Started Checklist
- Define your email domain warming and deliverability requirements and monthly budget
- Estimate your expected warmup email 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
Mailivery and Warmup Inbox both serve the email domain warming and deliverability market. Warmup Inbox offers a more accessible entry point at $19/mo, while Mailivery starts at $29/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 Mailivery and Warmup Inbox for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Mailivery or Warmup Inbox?
- Warmup Inbox has the lower entry price at $19/mo for its Basic plan, compared to Mailivery's Starter plan at $29/mo. Warmup Inbox's Basic plan includes 75 warmup messages per day per inbox, while Mailivery's Starter plan includes unlimited mailboxes with 200 shared warm-up emails per day.
- What is the main difference between Mailivery and Warmup Inbox?
- Mailivery improves sender reputation through a peer to peer network of active mailboxes, holding real conversations, and includes inbox placement tests, blacklist monitoring, and email verification. Warmup Inbox exchanges natural-looking email across a network of more than 30,000 real inboxes and adds cold email sequences, language warmup, ESP warmup, and IP warmup from the same dashboard.
- Does Mailivery limit the number of mailboxes I can connect?
- No, Mailivery allows unlimited connected mailboxes on all of its plans. Instead, pricing is based on total daily warm-up volume, ranging from 200 warm-up emails per day on the Starter plan to 2,500 per day on the Business plan.
- Does Warmup Inbox offer plans for agencies with many client inboxes?
- Yes, Warmup Inbox offers a custom plan for agencies and teams starting at 15 inboxes, with pricing available by contacting sales. This sits above its standard Basic, Pro, and Max tiers, which run from $19/mo to $99/mo.
- What integrations do Mailivery and Warmup Inbox have in common?
- SendGrid is the only integration listed by both Mailivery and Warmup Inbox. Beyond that, Mailivery connects with Gmail, GSuite, Microsoft 365, and SMTP, while Warmup Inbox additionally connects with Outlook and Microsoft 365, Zoho Mail, Amazon SES, Mailgun, Sendinblue (Brevo), and any inbox with SMTP.
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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