GMass vs Mailmeteor: Cold Email Platform Comparison
Compare GMass and Mailmeteor side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
GMass and Mailmeteor are Gmail-based cold email platforms with different pricing models. Mailmeteor starts free with 500 emails/month and scales to $25/month for 45,000 emails monthly, while GMass begins at $30/month with unlimited contacts and campaigns but Gmail sending limits apply. GMass includes free email verification and A/B testing, while Mailmeteor offers an AI email writer and lower-cost access to basic features.
Key takeaways
- Mailmeteor's free tier allows 500 emails per month with a 50-email daily limit, while GMass starts at $30 per month with no free option.
- GMass offers unlimited contacts and campaigns across all pricing tiers, though Gmail's native sending limits still apply.
- GMass integrates with 4 platforms including Zapier, while Mailmeteor connects with 3 platforms without Zapier support.
- Mailmeteor's Pro plan at $25 per month includes 45,000 monthly emails, while GMass's Teams plan costs $175 per month for 5 users.
- Both platforms were founded in the 2010s, with GMass launching in 2015 and Mailmeteor in 2018.
Reviewed and updated February 6, 2026
GMass vs Mailmeteor: Cold Email Platform Comparison
Finding the right cold email platform can directly impact your revenue pipeline. GMass and Mailmeteor both aim to solve the same core problem (sending campaigns that land in the inbox and generate replies), yet they approach it differently. Let's break down the specifics.
The Quick Answer
GMass stands out with works inside gmail and unlimited emails, contacts, and campaigns. Mailmeteor differentiates itself through gmail and google sheets integration and ai email writer.
Mailmeteor offers a lower entry point at $0/mo compared to GMass at $30/mo.
If your priority is sending campaigns that land in the inbox and generate replies, both tools can deliver. The right choice depends on your budget, team size, and the specific capabilities you need most.
Understanding the Core Difference
GMass is Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.
Mailmeteor is Gmail and Google Sheets-based mail merge and email marketing platform with AI email writer, tracking, and automated follow-ups.
Both platforms offer automated follow-up sequences. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
GMass Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Standard | $30/mo | Unlimited | Unlimited (Gmail limits apply) |
| Premium | $40/mo | Unlimited | Unlimited (Gmail limits apply) |
| Professional | $60/mo | Unlimited | Unlimited (Gmail limits apply) |
| Teams (5 users) | $175/mo | Unlimited | Unlimited (Gmail limits apply) |
Source: GMass Pricing
Mailmeteor Pricing (as of February 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Hobby (Free) | Free | N/A | 500 emails/month (50/day) |
| Starter | $5/mo | 50,000 stored contacts | 5,000 emails/month (250/day) |
| Premium | $13/mo | 250,000 stored contacts | 15,000 emails/month (500/day) |
| Pro | $25/mo | 500,000 stored contacts | 45,000 emails/month (1,500/day) |
Source: Mailmeteor Pricing
Pricing Analysis
Mailmeteor offers the lower entry point ($0/mo vs $30/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Mailmeteor includes a free tier, which is helpful for evaluating the platform without upfront cost.
Features Breakdown
GMass Key Features
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- A/B testing
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
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)
Shared Capabilities
Both GMass and Mailmeteor include:
- Automated follow-up sequences
Unique to GMass
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- A/B testing
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
Unique to Mailmeteor
- Gmail and Google Sheets integration
- AI email writer
- Email tracking and analytics
- Email warmup (Pro)
- Email verification (Pro)
- Remove branding (Starter+)
- Reply detection (Premium+)
- Spintax support
- Custom tracking domain (Pro)
Integration Ecosystem
GMass Integrations
GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.
Mailmeteor Integrations
Mailmeteor connects with: Gmail, Google Sheets, Google Workspace.
Shared Integrations
Both tools integrate with: Gmail, Google Sheets, Google Workspace.
GMass exclusively offers: Zapier.
Use Case Recommendations
Best Fit for GMass
- Budget-conscious teams looking for an affordable cold email platform
- Organizations with complex tech stacks needing broad integration support (4 integrations)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Best Fit for Mailmeteor
- Budget-conscious teams looking for an affordable cold email platform
- Teams that want to start free and scale up as needs grow
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | GMass | Mailmeteor |
|---|---|---|
| Starting Price | $30/mo | Free |
| Top Tier Price | $175/mo | $25/mo |
| Total Features Listed | 10 | 10 |
| Integrations | 4 | 3 |
| Founded | 2015 | 2018 |
Getting Started Checklist
- Define your cold email outreach requirements and monthly budget
- Estimate your expected 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
GMass and Mailmeteor both serve the cold email outreach market well. Mailmeteor offers a more accessible entry point, while GMass starts at $30/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.
Related Reading
- Best GMass Alternatives in 2026
- Best Mailmeteor Alternatives in 2026
- GMass vs Instantly: Cold Email Platform Comparison
- GMass vs Smartlead: Cold Email Platform Comparison
- Instantly vs Mailmeteor: Cold Email Platform Comparison
Pricing and features verified as of February 2026. Visit GMass and Mailmeteor for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, GMass or Mailmeteor?
- Mailmeteor is cheaper at entry level and at scale. Mailmeteor starts free with 500 emails monthly, while GMass begins at $30 per month. At the top tier, Mailmeteor's Pro plan costs $25 monthly for 45,000 emails, compared to GMass's $60 Professional plan or $175 Teams plan for 5 users.
- Does GMass or Mailmeteor offer a free plan?
- Only Mailmeteor offers a free plan. The Hobby tier includes 500 emails per month with a 50-email daily sending limit. GMass does not offer a free tier and starts at $30 per month for the Standard plan with unlimited contacts and campaigns.
- What features does GMass have that Mailmeteor doesn't?
- GMass uniquely offers free email verification across all plans, A/B testing for campaigns, Spam Solver deliverability tool, inbox rotation, and Zapier integration for workflow automation. These features are not available in Mailmeteor's feature set, though Mailmeteor does offer email verification starting at the Pro tier.
- Can I use both GMass and Mailmeteor with Google Sheets?
- Yes, both platforms integrate with Google Sheets for managing contacts and mail merge campaigns. This is one of three shared integrations between the platforms, along with Gmail and Google Workspace. GMass additionally connects with Zapier, which Mailmeteor does not support.
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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