GMass vs Hexospark: Cold Email Platform Comparison

GMass vs Hexospark: Cold Email Platform Comparison

GMass and Hexospark compete head-to-head in the cold email outreach space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.

The Quick Answer

By each vendor's own wording, GMass lists works inside gmail and unlimited emails, contacts, and campaigns, while Hexospark lists built-in crm and unified inbox. A capability both offer can appear under different names, so read both feature lists below.

Hexospark offers a lower entry point at $29/mo compared to GMass at $29.95/mo.

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.

Hexospark is Cloud-based cold email and outreach software from Hexact that combines personalized email campaigns at scale, automated follow-up sequences, a built-in CRM for unlimited contacts and a unified inbox, with a browser extension for capturing leads from LinkedIn.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

$29.95/moGMass entry plan

Standard

$29/moHexospark entry plan

Solo

GMass Pricing (as of September 2026)

Source: GMass Pricing

Hexospark Pricing (as of September 2026)

Source: Hexospark Pricing

Pricing Analysis

Hexospark offers the lower entry point ($29/mo vs $29.95/mo). Teams watching their budget will appreciate the savings, especially when starting out.

GMass offers 4 pricing tiers compared to Hexospark'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

Hexospark lists

• Built-in CRM
• Unified inbox
• Unlimited contacts
• Unlimited emails
• Automate smart follow-ups
• Rotate email accounts inside campaigns
• 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

Hexospark Key Features

• Built-in CRM
• Unified inbox
• Unlimited contacts
• Unlimited emails
• Automate smart follow-ups
• Rotate email accounts inside campaigns
• Write personal icebreakers
• Email template library
• Pipeline management to grow your sales
• 1-Click lead import to CRM and email campaigns

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 Hexospark

• Built-in CRM
• Unified inbox
• Unlimited contacts
• Unlimited emails
• Automate smart follow-ups
• Rotate email accounts inside campaigns
• Write personal icebreakers
• Email template library
• Pipeline management to grow your sales
• 1-Click lead import to CRM and email campaigns

Integration Ecosystem

GMass Integrations

GMass connects with: Gmail, Google Sheets, Zapier, Google Workspace.

Hexospark Integrations

Hexospark connects with: Gmail, SMTP, LinkedIn.

Shared Integrations

Both tools integrate with: Gmail.

Integrations listed only by GMass: Google Sheets, Zapier, Google Workspace.

Integrations listed only by Hexospark: SMTP, LinkedIn.

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 Hexospark

• Budget-conscious teams looking for an affordable cold email platform
• Enterprise buyers who prefer custom pricing and dedicated support
• Sales teams running high-volume outbound email campaigns
• Agencies managing multiple client outreach programs

Feature Comparison Summary

Getting Started Checklist

1. Define your cold email outreach requirements and monthly budget
2. Estimate your expected email sending volume 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 and Hexospark both serve the cold email outreach market. Hexospark offers a more accessible entry point at $29/mo, while GMass starts at $29.95/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 Hexospark for current information.