Boost Inbox vs Mailmeteor: Email Warmup Tool vs Cold Email Platform Comparison
Compare Boost Inbox (email warmup tool) and Mailmeteor (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Boost Inbox and Mailmeteor serve different jobs in an outbound stack: Boost Inbox is an email warmup tool starting at $5/mo that builds sender reputation and inbox placement, while Mailmeteor is a Gmail and Google Sheets based cold email platform starting free that sends campaigns, tracks opens, and uses an AI email writer. Many teams use both together.
Key takeaways
- Boost Inbox starts at $5/mo for the Starter plan with 1 mailbox for warmup and 50 daily positive engagements.
- Mailmeteor offers a free Hobby plan with 500 emails per month, or 50 emails per day, with no cost.
- Mailmeteor's Professional plan costs $35.99/mo and allows 60,000 emails per month, or 2,000 emails per day.
- Boost Inbox integrates with Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, and SMTP, while Mailmeteor integrates with Gmail, Google Sheets, and Google Workspace.
- Mailmeteor offers 4 pricing tiers compared to Boost Inbox's 3 tiers.
Reviewed and updated September 2, 2026
Boost Inbox vs Mailmeteor: Email Warmup Tool vs Cold Email Platform Comparison
Boost Inbox (email warmup tool) and Mailmeteor (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
Boost Inbox is an email warmup tool for email domain warming and deliverability; Mailmeteor is a cold email platform for cold email outreach. By each vendor's own wording, Boost Inbox lists email warmup and fully automated, and Mailmeteor lists gmail and google sheets integration and ai email writer.
Mailmeteor offers a lower entry point at $0/mo compared to Boost Inbox at $5/mo.
If your priority is building sender reputation and improving inbox placement, Boost Inbox is the one built for it; for sending campaigns that land in the inbox and generate replies, that is Mailmeteor. Many teams run one of each.
Understanding the Core Difference
Boost Inbox is Email warmup service that gradually increases sending activity to build trust with email providers. It sends realistic emails from your inbox on a daily basis, keeps them out of spam, opens and bookmarks them, and replies to a portion of them to generate positive interactions.
Mailmeteor is Gmail and Google Sheets-based mail merge and email marketing platform with AI email writer, tracking, and automated follow-ups.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Hobby
Boost Inbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $5/mo | 1 Mailbox For Warmup | 50 Daily Positive Engagement |
| Team | $9/mo | 3 Mailboxes For Warmup | 50 Daily Positive Engagement per mailbox |
| Premium | $19/mo | 8 Mailboxes For Warmup | 50 Daily Positive Engagement per mailbox |
Source: Boost Inbox Pricing
Mailmeteor Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Hobby | Free | N/A | 500 emails/month (50 emails/day) |
| Starter | $5.99/mo | stored contacts per plan | 5,000 emails/month (250 emails/day) |
| Premium | $17.99/mo | stored contacts per plan | 30,000 emails/month (1,000 emails/day) |
| Professional | $35.99/mo | stored contacts per plan | 60,000 emails/month (2,000 emails/day) |
Source: Mailmeteor Pricing
Pricing Analysis
Mailmeteor offers the lower entry point ($0/mo vs $5/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mailmeteor offers 4 pricing tiers compared to Boost Inbox's 3, giving you more granularity as you scale.
Mailmeteor includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- and 2 more listed below
- Gmail and Google Sheets integration
- AI email writer
- Email tracking and analytics
- Automated follow-up sequences
- Email warmup (Pro)
- Email verification (Pro)
- and 4 more listed below
Boost Inbox Key Features
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- Email health checker tool
- Inbox reputation analytics
Mailmeteor Key Features
- Gmail and Google Sheets integration
- AI email writer
- Email tracking and analytics
- Automated follow-up sequences
- Email warmup (Pro)
- Email verification (Pro)
- Remove branding (Starter+)
- Reply detection (Premium+)
- Spintax support
- Custom tracking domain (Pro)
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 Boost Inbox
- Email Warmup
- Fully Automated
- Status Reports
- Human Review
- Premium Support
- Realistic emails sent from your inbox daily
- Email health checker tool
- Inbox reputation analytics
Listed only by Mailmeteor
- Gmail and Google Sheets integration
- AI email writer
- Email tracking and analytics
- Automated follow-up sequences
- Email warmup (Pro)
- Email verification (Pro)
- Remove branding (Starter+)
- Reply detection (Premium+)
- Spintax support
- Custom tracking domain (Pro)
Integration Ecosystem
Boost Inbox Integrations
Boost Inbox connects with: Gmail, GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.
Mailmeteor Integrations
Mailmeteor connects with: Gmail, Google Sheets, Google Workspace.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by Boost Inbox: GSuite, Outlook 365, Yahoo Mail, Amazon SES, SMTP.
Integrations listed only by Mailmeteor: Google Sheets, Google Workspace.
Use Case Recommendations
Best Fit for Boost Inbox
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for Mailmeteor
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Teams that want to start free and scale up as needs grow
Feature Comparison Summary
| Feature | Boost Inbox | Mailmeteor |
|---|---|---|
| Starting Price | $5/mo | Free |
| Top Tier Price | $19/mo | $35.99/mo |
| Total Features Listed | 8 | 10 |
| Integrations | 6 | 3 |
| Founded | N/A | 2018 |
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
Boost Inbox serves the email domain warming and deliverability side of an outbound stack and Mailmeteor the cold email outreach side. Mailmeteor offers a more accessible entry point, while Boost Inbox starts at $5/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 Boost Inbox and Mailmeteor for current information.
Frequently asked questions.
Frequently asked questions- What is the difference between Boost Inbox and Mailmeteor?
- Boost Inbox is an email warmup tool that gradually builds sender reputation by sending realistic emails from your inbox daily, keeping them out of spam, and generating positive engagement. Mailmeteor is a Gmail and Google Sheets based cold email platform with an AI email writer, tracking, and automated follow-up sequences for sending outreach campaigns.
- Which is cheaper, Boost Inbox or Mailmeteor?
- Mailmeteor has the lower entry point with a free Hobby plan offering 500 emails per month. Boost Inbox's cheapest plan, Starter, costs $5/mo and includes 1 mailbox for warmup with 50 daily positive engagements.
- Can I use Boost Inbox and Mailmeteor together?
- Yes, the article notes that many teams run one of each because the tools solve different problems. Boost Inbox handles domain warmup and deliverability while Mailmeteor handles sending and tracking cold email campaigns, so they can complement each other in an outbound stack.
- Does Mailmeteor offer email warmup?
- Yes, Mailmeteor lists email warmup as a feature available on its Pro plan, along with email verification. However, Boost Inbox is built specifically around warmup as its core function, including features like a health checker tool and inbox reputation analytics that are not part of Mailmeteor's listed feature set.
- Who should choose Boost Inbox over Mailmeteor?
- Boost Inbox best fits budget-conscious teams needing an affordable warmup tool, organizations with complex tech stacks needing broad integration support across 6 listed integrations, teams launching new email domains, and organizations recovering from deliverability issues.
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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