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What is GMass?
GMass is a Chrome extension that transforms Gmail into a powerful email marketing and cold email platform. Built by a team focused on simplicity and deliverability, it solves the problem of sending personalized mass emails directly from Gmail without needing a separate email service. Core capabilities include mail merge with Google Sheets, automated follow-up sequences, email list building from Gmail search, and advanced deliverability features like spam trigger checks and link testing. It also breaks Gmail's sending limits using distribution technology, allowing users to send virtually unlimited emails. The tool is ideal for marketers, sales professionals, startups, and anyone who needs to send bulk personalized emails from their Gmail account. It fits workflows for email campaigns, newsletters, cold outreach, and automated follow-ups, all within the familiar Gmail interface.
AI Tool Review Summary
4.6/5
High, consistent, and on-brand
Clean and minimal, integrated into Gmail
To enable personalized mass email campaigns and cold email sequences directly from Gmail.
Chrome browser extension, integrates with Gmail and Google Sheets.
Freemium with paid tiers
Features
Features with the highest value for users are highlighted here.
Mass email sending in Gmail
Mail merge with Google Sheets
Automated follow-up sequences
Email reporting and analytics
Personalization with fallback values
Schedule and repeat campaigns
Behavior-based segmentation
Reply and bounce management
How It Works
Install the extension
Add GMass to Chrome from the Chrome Web Store.
Compose your email
In Gmail, click Compose and write your message as usual.
Set up mail merge
Connect a Google Sheet to personalize fields like name or company.
Send and track
Click the GMass button to send, then view open, click, and reply stats in Gmail.
Who Is It For?
Marketing teams
Sales professionals
Startups
Freelancers
Small business owners
Recruiters
Nonprofits
Educators
Event organizers
Customer support teams
Pricing
Free
Up to 50 emails/day Basic mail merge Email reporting
Pro
Up to 1,000 emails/day Automated follow-ups Advanced personalization
Enterprise
Up to 10,000 emails/day Priority support Custom integrations
Want to add more pricing plans?
Claim this tool to manage plans, pricing, and listing details.
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Weekly intelligence on AI strategy, operations, and market shifts. No noise. No narrative. Direct to your inbox.
Pros & Cons
Pros
Seamlessly integrates with Gmail, making setup quick and intuitive. Powerful personalization and automation features boost campaign effectiveness.
Cons
Requires Chrome browser, limiting cross-platform use. Advanced features may have a learning curve for non-technical users.
FAQs
Just Launched
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Rating
Pros
Cons
Quick GMass Comparision
Side-by-side with top alternatives in this category.
| Tool | Rating | Visits / mo | Global rank | Category rank | Engagement | Bounce | Top market | Starts at | Free tier | Integrations | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
GMassAI Marketing Tools | — | — | — | — | — | US(49%) | $0 | 2+ | View | ||
![]() CoClueAI Marketing Tools | 1.1B | — | — | 2m2.6 pages | US(15%) | $0 | — | View | |||
Social WizardAI Marketing Tools | 1.1B | — | — | 2m2.6 pages | US(15%) | $0 | — | View | |||
![]() SalesforceAI Marketing Tools | 106.3M | #343 | #15 | 5m 30s5.5 pages | US(39%)#249 | $0 | 3+ | View | |||
Surf Story Collage MakerAI Marketing Tools | 140.9M | — | — | 48s1.6 pages | US(25%) | $0 | 1 | View |
Analytics of Gmail Mail Merge: The Complete Guide (Best Ways, 10 Pro Strategies, Quick Start)
Website traffic and keyword analysis.
Monthly visits
698.05K
↑ +7.1% vs prior month
Avg. visit duration
00:01:47
M 4 2026 snapshot
Pages / visit
2.13
M 4 2026 snapshot
Bounce rate
63.29%
Lower is better
All traffic · Worldwide
Weekly estimate · Feb 1, 2026 – Apr 29, 2026
Peak week: 139.61K (Apr 1, 2026)Low week: 114.57K (Feb 1, 2026)WoW: 0.0%Derived from monthly estimates · SimilarWeb-equivalent
Release History
0 releases published
No releases yet.
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