Software: GMass

Category: Email Marketing & Cold Email Automation Platform

Primary Use: Mass email campaigns, mail merge, and outreach automation

Developer: GMass, Inc.

Starting Price: Free plan available; paid plans typically start around $19.95/month

Free Trial/Plan: Free plan available

Platform: Gmail Extension (cloud-based backend)

Official Website: gmass.co

GMass is a Gmail-based email marketing and cold outreach platform designed to help users send mass personalized emails directly from their Gmail inbox. The platform focuses on mail merge functionality and automated follow-ups.

What Is GMass?

GMass is a SaaS email automation tool launched in 2015. It operates as a Gmail extension, allowing users to send bulk emails, automate follow-ups, and track engagement directly within their Google Workspace account.

The platform supports mail merge campaigns using Google Sheets for personalization data.

GMass operates through a browser extension combined with cloud-based campaign management infrastructure.

Who Uses GMass?

GMass is commonly used by small businesses, B2B sales teams, marketers, nonprofits, event organizers, and educators. It is particularly suited for users who prefer working directly within Gmail rather than a separate dashboard.

Sales professionals use GMass for cold outreach. Marketers use it for newsletter-style campaigns. Organizations use it for announcements and event invitations.

Core Features

GMass provides mail merge functionality that pulls personalization data from Google Sheets.

Automated follow-up sequences send additional emails if recipients do not reply.

Email tracking monitors opens, clicks, and replies.

Reply management allows users to handle campaign responses directly in Gmail.

List management tools support segmentation within Google Sheets.

A/B testing tools enable comparison of subject lines and message variations.

Bounce handling automatically removes invalid addresses.

Scheduling features allow delayed sending and time-based delivery.

Campaign analytics dashboards provide performance metrics such as open rate and click rate.

Integrations and Compatibility

GMass integrates directly with Gmail and Google Workspace accounts.

The platform uses Google Sheets for contact management and personalization.

SMTP support allows sending through connected email servers.

API access may be available for advanced automation workflows.

GMass operates primarily as a Gmail extension with cloud-based processing.

Pricing Structure

GMass offers a free plan with limited sending capabilities and daily limits.

Paid plans typically start at approximately $19.95 per month and increase depending on sending limits, automation features, and advanced reporting tools.

Higher-tier plans may include advanced deliverability tools, unlimited campaigns, and priority support.

Billing is available monthly or annually, with annual subscriptions often providing discounted pricing.

Advantages and Limitations

GMass integrates directly into Gmail, eliminating the need for a separate outreach dashboard. Its Google Sheets mail merge functionality supports structured personalization.

However, the platform is primarily optimized for Gmail users. Advanced CRM features and multichannel outreach capabilities may require additional tools. Deliverability performance depends on proper Gmail account configuration and sending practices.

Alternatives to GMass

Several platforms provide similar email automation functionality. Yesware offers email tracking and automation within Gmail and Outlook. Mixmax supports email sequencing and meeting scheduling. Woodpecker focuses on cold email automation with reply detection. Mailshake combines email and multichannel outreach tools.

Each alternative differs in pricing structure, multichannel capabilities, and CRM integration depth.

Frequently Asked Questions

What does GMass do?

GMass is an email marketing and cold outreach platform that sends personalized mass emails directly from Gmail.

Is GMass cloud-based?

Yes. GMass operates as a cloud-based service with a Gmail extension interface.

Does GMass support mail merge?

Yes. Mail merge functionality using Google Sheets is a core feature.

Who typically uses GMass?

Small businesses, marketers, and B2B sales teams commonly use the platform.

Key Takeaways

GMass is a Gmail-based email marketing and outreach automation platform designed for sending personalized mass emails and automated follow-ups. It includes mail merge functionality, email tracking, A/B testing, scheduling tools, and campaign analytics. Pricing begins with a free plan and paid subscriptions typically start at approximately $19.95 per month, scaling based on sending limits and feature access.