GMass vs Revenue.io: Cold Email Platform vs Sales Engagement Platform Comparison
Compare GMass (cold email platform) and Revenue.io (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Compare GMass (cold email platform) and Revenue.io (sales engagement platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Reviewed and updated September 2, 2026
GMass vs Revenue.io: Cold Email Platform vs Sales Engagement Platform Comparison
GMass is a cold email platform; Revenue.io is a sales engagement platform. Whether you need one, the other, or both depends on which part of the workflow you are buying for: cold email outreach on one side, multi-channel sales outreach and engagement tracking on the other. This guide lays out what each vendor publishes.
The Quick Answer
GMass is a cold email platform for cold email outreach; Revenue.io 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 Revenue.io lists salesforce-native dialer with auto-logged calls and power, preview and auto dialing modes.
GMass publishes an entry price of $29.95/mo; Revenue.io uses custom pricing, so the two cannot be compared on list price.
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 Revenue.io. 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.
Revenue.io is Salesforce-native revenue platform that combines dialing, real-time coaching, conversation intelligence and guided-selling cadences across call, email and SMS, with every interaction logged in Salesforce.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Standard
Activate
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
Revenue.io Pricing (as of September 2026)
| Plan | Price | Contacts |
|---|---|---|
| Activate | Contact Sales | Built for Salesforce teams of 15+ seats |
| Engage | Contact Sales | Built for Salesforce teams of 15+ seats |
| Orchestrate | Contact Sales | Built for Salesforce teams of 15+ seats |
Source: Revenue.io 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.
GMass offers 4 pricing tiers compared to Revenue.io'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
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- and 4 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
Revenue.io Key Features
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- Email and SMS sequencing
- AI-assisted email drafting
- Conversation intelligence with talk metrics and sentiment analysis
- Deal Health Scores and Revenue Intelligence dashboards
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 Revenue.io
- Salesforce-native dialer with auto-logged calls
- Power, preview and auto dialing modes
- Local presence dialing in 40+ countries
- Moments real-time call guidance with battlecards and objection cues
- Live listen, whisper and call monitoring
- Guided Selling cadences
- Email and SMS sequencing
- AI-assisted email drafting
- Conversation intelligence with talk metrics and sentiment analysis
- Deal Health Scores and Revenue Intelligence dashboards
Integration Ecosystem
GMass Integrations
GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.
Revenue.io Integrations
Revenue.io connects with: Salesforce, HubSpot, Microsoft Teams, Microsoft Outlook, Zoom, Gmail, Google Meet, Google Calendar, LinkedIn.
Shared Integrations
Both tools integrate with: Gmail.
Integrations listed only by GMass: Google Sheets, Zapier, Google Workspace.
Integrations listed only by Revenue.io: Salesforce, HubSpot, Microsoft Teams, Microsoft Outlook, Zoom, Google Meet, Google Calendar, LinkedIn.
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 Revenue.io
- Organizations with complex tech stacks needing broad integration support (9 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
- SDR teams running multi-channel outreach sequences
- Sales managers tracking team engagement metrics
Feature Comparison Summary
| Feature | GMass | Revenue.io |
|---|---|---|
| Starting Price | $29.95/mo | Contact Sales |
| Top Tier Price | $175/mo | Contact Sales |
| Total Features Listed | 10 | 10 |
| Integrations | 4 | 9 |
| Founded | 2015 | 2012 |
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 Revenue.io the multi-channel sales outreach and engagement tracking side. GMass publishes an entry price of $29.95/mo, while Revenue.io uses custom 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 Revenue.io for current information.
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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