GMass vs PhoneBurner: Cold Email Platform vs Sales Engagement Platform Comparison

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

$29.95/moGMass entry plan

Standard

$165/moPhoneBurner entry plan

Standard

GMass Pricing (as of September 2026)

Source: GMass Pricing

PhoneBurner Pricing (as of September 2026)

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

GMass lists

• 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

PhoneBurner lists

• 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

Getting Started Checklist

1. Define your cold email outreach and multi-channel sales outreach and engagement tracking requirements and monthly budget
2. Estimate your expected email sending volume and sequences and engagement actions to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. 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.