GMass vs Manyreach: Cold Email Platform Comparison
Compare GMass and Manyreach side by side. See pricing, features, and integrations to choose the right cold email platform for your needs.
GMass is a Gmail-based mass email and mail merge platform starting at $29.95/mo with unlimited emails, contacts, and campaigns inside Gmail. Manyreach is a cold email platform with unlimited sending accounts and mailbox rotation, priced on usage-based credits or monthly plans starting at $79/mo. Choice depends on budget, team size, and needed capabilities.
Key takeaways
- GMass entry pricing starts at $29.95/mo for the Standard plan with unlimited emails, contacts, and campaigns inside Gmail.
- Manyreach uses usage-based credit pricing, with a Business plan at $79/mo offering 150,000 sending credits per month and an Agency plan at $299/mo offering 500,000 credits per month.
- GMass Teams plan for 5 users costs $175/mo, while Manyreach's Scale tier requires contacting sales for custom credit volume.
- Both platforms list A/B testing as a shared capability, but GMass uniquely lists Spam Solver deliverability tool and API and Zapier access, while Manyreach uniquely lists Advanced Warmup and Blacklist Monitoring.
- GMass integrates with four tools including Gmail, Google Sheets, Zapier, and Google Workspace, while Manyreach integrates with ten tools including Outlook, HubSpot, Slack, and Zoom.
Reviewed and updated September 2, 2026
GMass vs Manyreach: Cold Email Platform Comparison
If you are comparing cold email outreach tools, GMass and Manyreach 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, GMass lists works inside gmail and unlimited emails, contacts, and campaigns, while Manyreach lists unlimited sending accounts and mailbox rotation. A capability both offer can appear under different names, so read both feature lists below.
GMass publishes an entry price of $29.95/mo; Manyreach uses usage-based pricing, so the two cannot be compared on list price.
If your priority is sending campaigns that land in the inbox and generate replies, both tools target it. 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.
Manyreach is Cold emailing platform that connects unlimited mailboxes and sends to unlimited contacts across unlimited workspaces and team members. Sending is metered in credits, with pay-as-you-go packs or monthly plans that include a credit allowance and a private IP.
Both platforms offer a/b testing. Where they diverge is in their approach to pricing tiers and advanced capabilities.
Pricing Comparison
Standard
Pay as you go
GMass Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Standard | $29.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Premium | $39.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Professional | $59.95/mo | Unlimited | Unlimited (Gmail limits apply) |
| Teams (5 users) | $175/mo | Unlimited | Unlimited (Gmail limits apply) |
Source: GMass Pricing
Manyreach Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Pay as you go | Usage-based | Upload Unlimited Prospects; credits never expire | 1 credit = 1 campaign email; 1 credit = 10 warmup emails |
| Business | $79/mo | Unlimited leads; 15,000 data tokens | 150,000 sending credits / month |
| Agency | $299/mo | Unlimited leads; 50,000 data tokens | 500,000 credits / month |
| Scale | Contact Sales | Custom credits & limits | Custom credit volume |
Source: Manyreach Pricing
Pricing Analysis
One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.
Features Breakdown
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- Spam Solver deliverability tool
- and 3 more listed below
- A/B testing
- Unlimited sending accounts
- Mailbox rotation
- Upload Unlimited Prospects
- Credits never expire
- Email content rotation
- Conditional sequences
- and 6 more listed below
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
Manyreach Key Features
- Unlimited sending accounts
- Mailbox rotation
- Upload Unlimited Prospects
- Credits never expire
- A/B testing
- Email content rotation
- Conditional sequences
- Unified inbox
- Reply Templates
- Advanced Warmup
- Blacklist Monitoring
- Open & link tracking
- Sender analytics
Shared Capabilities
Both GMass and Manyreach include:
- A/B testing
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 GMass
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
Listed only by Manyreach
- Unlimited sending accounts
- Mailbox rotation
- Upload Unlimited Prospects
- Credits never expire
- Email content rotation
- Conditional sequences
- Unified inbox
- Reply Templates
- Advanced Warmup
- Blacklist Monitoring
- Open & link tracking
- Sender analytics
Integration Ecosystem
GMass Integrations
GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.
Manyreach Integrations
Manyreach connects with: Gmail, Outlook, Microsoft Teams, HubSpot, Zapier, Google Calendar, Make, Slack, Google Drive, Zoom.
Shared Integrations
Both tools integrate with: Gmail, Zapier.
Integrations listed only by GMass: Google Sheets, Google Workspace.
Integrations listed only by Manyreach: Outlook, Microsoft Teams, HubSpot, Google Calendar, Make, Slack, Google Drive, Zoom.
Use Case Recommendations
Best Fit for GMass
- Budget-conscious teams looking for an affordable cold email platform
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
- SDR teams focused on pipeline generation
Best Fit for Manyreach
- Teams that need a wide feature set (13 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (10 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | GMass | Manyreach |
|---|---|---|
| Starting Price | $29.95/mo | Usage-based |
| Top Tier Price | $175/mo | Contact Sales |
| Total Features Listed | 10 | 13 |
| Integrations | 4 | 10 |
| Founded | 2015 | N/A |
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 Manyreach both serve the cold email outreach market. GMass publishes an entry price of $29.95/mo, while Manyreach uses usage-based pricing for its plans, so compare on features and on the quote you receive. 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 GMass and Manyreach for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between GMass and Manyreach?
- GMass operates entirely inside Gmail as a mass email and mail merge platform with unlimited emails, campaigns, and contacts. Manyreach connects unlimited mailboxes and sends to unlimited contacts across unlimited workspaces, metering sending through credits with pay-as-you-go packs or monthly plans that include a private IP.
- How much does GMass cost compared to Manyreach?
- GMass starts at $29.95/mo for its Standard plan, with Premium at $39.95/mo, Professional at $59.95/mo, and a Teams plan for 5 users at $175/mo. Manyreach uses usage-based pricing instead of a flat monthly fee, with a Business plan at $79/mo and an Agency plan at $299/mo, so the two cannot be directly compared on list price.
- Do GMass and Manyreach integrate with the same tools?
- They share only two integrations: Gmail and Zapier. GMass additionally connects with Google Sheets and Google Workspace, totaling four integrations. Manyreach connects with a broader set including Outlook, Microsoft Teams, HubSpot, Google Calendar, Make, Slack, Google Drive, and Zoom, totaling ten integrations.
- Which tool is better for budget-conscious teams?
- GMass is positioned as the fit for budget-conscious teams looking for an affordable cold email platform, according to its use case recommendations. It is also recommended for sales teams running high-volume outbound campaigns, agencies managing multiple client outreach programs, and SDR teams focused on pipeline generation.
- Does Manyreach offer email warmup and deliverability features?
- Yes, Manyreach lists Advanced Warmup and Blacklist Monitoring among its key features, along with sender analytics and open and link tracking. GMass instead lists its own deliverability tool called Spam Solver, along with custom tracking links and inbox rotation, so both address deliverability but with different named features.
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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