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GMass

GMass is an email marketing and mail merge tool that works directly inside Gmail.

Free tierPrice verified 2026-10-02Visit site ↗
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Our verdict

Who it's for

Mass email & mail merge from your Gmail inbox

Who should look elsewhere

Requires the Google Chrome browser to function.

Pros

  • +Integrates directly into Gmail's compose window for ease of use.
  • +Bypasses Gmail's native sending limits for mass email campaigns.
  • +Offers advanced mail merge personalization using Google Sheets, including fallback values.
  • +Automates follow-up sequences until a recipient replies, enhancing response rates.
  • +Provides detailed email reporting and analytics accessible from desktop and mobile Gmail apps.

Cons

  • −Requires the Google Chrome browser to function.
  • −Relies on Gmail's infrastructure, which might not be suitable for all enterprise-level email marketing needs.
  • −The email list builder is limited to contacts found within the user's Gmail account.

Key features

  • ✓Gmail integration
  • ✓Mail merge
  • ✓Auto follow-ups
  • ✓Campaign analytics
  • ✓Scheduling
  • ✓A/B testing

Pricing

PlanPriceBillingNotes
Free$0month50 emails/day; Basic features; GMass footer
Standard$25monthUnlimited emails; No footer; Follow-ups
Premium$35monthA/B testing; API; High priority

Integrations

Google SheetsZapier

Alternatives & comparisons

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