GMass Review 2026
The easiest way to send an email campaign
What is GMass?
GMass turns Gmail into an email marketing and cold email platform with mail merge from Google Sheets, automated follow-up sequences, deliverability tools, and list building. It is used by 300,000+ users and runs as a Chrome extension.
Best for
SMB
Use cases
- Cold email outreach
- Mass email campaigns
- Newsletters
- Mail merge personalization
Key features
Mail merge with Google Sheets
Cold email sequences in Gmail
Automatic follow-ups
List verification and spam testing
Behavior-based campaigns
Email list builder from Gmail search
Reply management
Pricing
Model
freemium
Price range
Free to add; paid plans (Chrome required)
Free tier
Yes
Integrations
GMass integrates with 2 tools including:
GmailGoogle Sheets
Team behind GMass
- AGAjay Goel11K followers
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