GMass vs PhoneBurner: Cold Email Platform vs Sales Engagement Platform Comparison
Compare GMass (cold email platform) and PhoneBurner (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
GMass is a Gmail-based cold email platform starting at $29.95/mo, built for high-volume email campaigns with mail merge, deliverability tools, and Gmail integration. PhoneBurner is a sales engagement platform starting at $165/mo that combines calling, email, and SMS with workflow automation and lead distribution. Many teams use both together rather than choosing one exclusively.
Key takeaways
- GMass starts at $29.95/mo while PhoneBurner starts at $165/mo, according to each vendor's own pricing page.
- GMass offers four pricing tiers (Standard, Premium, Professional, Teams) compared to PhoneBurner's three tiers (Standard, Professional, Premium).
- GMass integrates with Gmail, Google Sheets, Zapier, and Google Workspace, while PhoneBurner integrates with Salesforce, HubSpot, Zoho CRM, and GoHighLevel.
- GMass lists ten features including Spam Solver deliverability tool and inbox rotation, while PhoneBurner lists nine features including live call monitoring and coaching and custom inbound routing.
- PhoneBurner's Teams plan pricing for GMass is $175/mo for five users, based on the vendor's published pricing table.
Reviewed and updated September 5, 2026
GMass vs PhoneBurner: Cold Email Platform vs Sales Engagement Platform Comparison
Sales teams building an outbound stack often weigh GMass, a cold email platform for cold email outreach, against PhoneBurner, a sales engagement platform for multi-channel sales outreach and engagement tracking. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
GMass is a cold email platform for cold email outreach; PhoneBurner is a sales engagement platform for multi-channel sales outreach and engagement tracking. By each vendor's own wording, GMass lists works inside gmail and unlimited emails, contacts, and campaigns, and PhoneBurner lists unlimited calling and workflow automation.
GMass offers a lower entry point at $29.95/mo compared to PhoneBurner at $165/mo.
If your priority is sending campaigns that land in the inbox and generate replies, GMass is the one built for it; for coordinating outreach across email, phone, and social channels, that is PhoneBurner. Many teams run one of each.
Understanding the Core Difference
GMass is Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.
PhoneBurner is Sales dialer platform that blends calls, email and SMS in one outreach workflow, with spam-flag remediation, connect scoring to prioritize likely answers, workflow automation and lead distribution. Includes reporting, live call monitoring and coaching.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Standard
Standard
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
PhoneBurner Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Standard | $165/mo | Per user | Unlimited Calling |
| Professional | $195/mo | Per user | Unlimited Calling |
| Premium | $215/mo | Per user | Unlimited Calling |
Source: PhoneBurner Pricing
Pricing Analysis
GMass is more affordable at the entry level ($29.95/mo vs $165/mo). For teams with tight budgets or those just getting started with cold email outreach and multi-channel sales outreach and engagement tracking, this price difference matters.
GMass offers 4 pricing tiers compared to PhoneBurner's 3, giving you more granularity as you scale.
Features Breakdown
- Works inside Gmail
- Unlimited emails, contacts, and campaigns
- Mail merge personalization
- Free email verification
- Automated follow-up sequences
- A/B testing
- and 4 more listed below
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- and 3 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
PhoneBurner Key Features
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- Custom Inbound Routing
- Text Messaging
- Lead Distribution
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
- A/B testing
- Spam Solver deliverability tool
- Custom tracking links
- Inbox rotation
- API and Zapier access
Listed only by PhoneBurner
- Unlimited Calling
- Workflow Automation
- Call Analytics
- Softphone Dialing
- Live Call Monitoring & Coaching
- Open API
- Custom Inbound Routing
- Text Messaging
- Lead Distribution
Integration Ecosystem
GMass Integrations
GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.
PhoneBurner Integrations
PhoneBurner connects with: Salesforce, HubSpot, Zoho CRM, GoHighLevel.
Integrations listed only by GMass: Gmail, Google Sheets, Zapier, Google Workspace.
Integrations listed only by PhoneBurner: Salesforce, HubSpot, Zoho CRM, GoHighLevel.
Use Case Recommendations
Best Fit for GMass
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (10 capabilities listed)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Best Fit for PhoneBurner
- Mid-market to enterprise teams with established multi-channel sales outreach and engagement tracking budgets
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
- Revenue teams coordinating email, phone, and social touches
Feature Comparison Summary
| Feature | GMass | PhoneBurner |
|---|---|---|
| Starting Price | $29.95/mo | $165/mo |
| Top Tier Price | $175/mo | $215/mo |
| Total Features Listed | 10 | 9 |
| Integrations | 4 | 4 |
| Founded | 2015 | N/A |
Getting Started Checklist
- Define your cold email outreach and multi-channel sales outreach and engagement tracking requirements and monthly budget
- Estimate your expected email sending volume and sequences and engagement actions 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 serves the cold email outreach side of an outbound stack and PhoneBurner the multi-channel sales outreach and engagement tracking side. GMass offers a more accessible entry point at $29.95/mo, while PhoneBurner starts at $165/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 GMass and PhoneBurner for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between GMass and PhoneBurner?
- GMass is a Gmail-based cold email platform focused on sending mass email campaigns with mail merge and deliverability tools, while PhoneBurner is a sales engagement platform that combines calling, email, and SMS with workflow automation and engagement tracking. They cover different parts of an outbound workflow.
- Which is cheaper, GMass or PhoneBurner?
- GMass is cheaper at the entry level, starting at $29.95/mo, compared to PhoneBurner's entry plan at $165/mo. GMass also offers four pricing tiers versus PhoneBurner's three, giving more granularity for teams scaling up their usage.
- Can I use GMass and PhoneBurner together?
- Yes, the article notes that many teams run one of each since they serve different purposes. GMass handles cold email outreach directly inside Gmail, while PhoneBurner coordinates outreach across email, phone, and social channels, so combining them covers more of the outbound workflow.
- What integrations does PhoneBurner support that GMass does not?
- PhoneBurner integrates with Salesforce, HubSpot, Zoho CRM, and GoHighLevel, none of which are listed as GMass integrations. GMass instead connects with Gmail, Google Sheets, Zapier, and Google Workspace, reflecting its focus on Gmail-based email workflows rather than CRM-centric sales engagement.
- Who is PhoneBurner best suited for?
- PhoneBurner is best suited for mid-market to enterprise teams with established multi-channel outreach budgets, SDR teams running multi-channel sequences, sales managers tracking engagement metrics, and revenue teams coordinating email, phone, and social touches, according to the article's use case recommendations.
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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