Inboxy vs Mailmeteor: Email Warmup Tool vs Cold Email Platform Comparison
Compare Inboxy (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.
Inboxy is an email warmup tool priced at $47/mo that improves deliverability through domain warming, while Mailmeteor is a Gmail and Google Sheets based cold email platform starting free and running up to $35.99/mo. They serve different jobs in an outbound stack, so many teams run both rather than choosing one over the other.
Key takeaways
- Inboxy's only published plan, Inboxy Pro, costs $47/mo and covers Gmail and Office 365 inboxes with 120 daily emails per inbox.
- Mailmeteor offers four pricing tiers, from a free Hobby plan (500 emails/month) up to Professional at $35.99/mo (60,000 emails/month).
- Inboxy integrates with nine platforms including Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, while Mailmeteor integrates with Gmail, Google Sheets, and Google Workspace.
- Google Workspace is the only integration both tools list as shared.
- Inboxy lists features such as Domain Score IQ Monitoring and IP Warm Up Service, while Mailmeteor lists an AI email writer and automated follow-up sequences.
Reviewed and updated September 2, 2026
Inboxy vs Mailmeteor: Email Warmup Tool vs Cold Email Platform Comparison
Inboxy (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
Inboxy 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, Inboxy lists primary inbox supercharger and domain score iq monitoring, and Mailmeteor lists gmail and google sheets integration and ai email writer.
Mailmeteor offers a lower entry point at $0/mo compared to Inboxy at $47/mo.
If your priority is building sender reputation and improving inbox placement, Inboxy 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
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
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
Inboxy Pro
Hobby
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy 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 $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mailmeteor offers 4 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Mailmeteor includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 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
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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 Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
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
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Mailmeteor Integrations
Mailmeteor connects with: Gmail, Google Sheets, Google Workspace.
Shared Integrations
Both tools integrate with: Google Workspace.
Integrations listed only by Inboxy: Personal Gmail, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by Mailmeteor: Gmail, Google Sheets.
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (9 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 | Inboxy | Mailmeteor |
|---|---|---|
| Starting Price | $47/mo | Free |
| Top Tier Price | $47/mo | $35.99/mo |
| Total Features Listed | 9 | 10 |
| Integrations | 9 | 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
Inboxy 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 Inboxy starts at $47/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 Inboxy and Mailmeteor for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Inboxy and Mailmeteor?
- Inboxy is an email warmup tool focused on domain warming and deliverability, while Mailmeteor is a cold email platform for sending campaigns and generating replies. Inboxy improves sender reputation through gradual volume increases and AI-driven adjustments, whereas Mailmeteor handles mail merge, tracking, and follow-ups through Gmail and Google Sheets.
- Which tool is cheaper, Inboxy or Mailmeteor?
- Mailmeteor is cheaper at entry, offering a free Hobby plan, compared to Inboxy's single paid plan at $47/mo. Mailmeteor also offers more pricing tiers overall, with four levels ranging from free up to $35.99/mo, giving more granularity as usage scales.
- Do Inboxy and Mailmeteor integrate with each other or share any tools?
- Google Workspace is the only integration both platforms list. Inboxy connects with a broader set including Personal Gmail, Outlook/Office, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, while Mailmeteor connects with Gmail, Google Sheets, and Google Workspace.
- Can I use both Inboxy and Mailmeteor together?
- Yes, the article notes that many teams run one of each since the tools solve different problems. Inboxy handles deliverability and sender reputation, while Mailmeteor handles the actual cold email campaigns, so they can complement each other in an outbound stack.
- Who should choose Inboxy over Mailmeteor?
- Inboxy fits budget-conscious teams needing an affordable warmup tool, organizations with complex tech stacks requiring broad integration support across its nine 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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