Introducing G2.ai, the future of software buying.Try now
Product Avatar Image

GMass

Show rating breakdown
1,268 reviews
  • 1 profiles
  • 1 categories
Average star rating
4.8
Serving customers since
2014
Profile Filters

All Products & Services

Product Avatar Image
GMass

1,268 reviews

GMass is an email marketing and automation tool that integrates directly with Gmail, transforming it into a powerful platform for sending personalized mass emails and managing campaigns. Designed for marketers, sales teams, and small businesses, GMass simplifies the process of reaching large audiences without leaving the familiar Gmail interface. Key Features and Functionality: - Mail Merge with Google Sheets: Seamlessly connect to Google Sheets to personalize emails using any column from your spreadsheet, eliminating the need for CSV files. - Automated Follow-Up Sequences: Set up automated follow-up emails that continue until a recipient responds, enhancing engagement and response rates. - Email Verification and Testing: Verify email addresses, test links, and identify potential spam triggers before sending, ensuring higher deliverability. - Breaking Gmail’s Sending Limits: Utilize GMass's technology to surpass Gmail's daily sending limits by connecting multiple accounts or using an SMTP relay. - Advanced Tracking and Reporting: Monitor opens, clicks, replies, and bounces in real-time within Gmail, providing valuable insights into campaign performance. - Personalization and Automation: Use dynamic fields to insert personalized details such as names and job titles, and automate campaigns based on recipient behavior. Primary Value and User Solutions: GMass addresses the challenges of conducting effective email marketing campaigns by offering a user-friendly solution within Gmail. It enables users to send personalized mass emails, automate follow-ups, and track campaign performance without the need for external platforms. By integrating with Google Sheets, GMass simplifies contact management and personalization. Its features help users overcome Gmail's sending limitations, improve email deliverability, and enhance engagement rates, making it an invaluable tool for businesses and individuals aiming to optimize their email outreach efforts.

Profile Name

Star Rating

1097
154
11
1
5

GMass Reviews

Review Filters
Profile Name
Star Rating
1097
154
11
1
5
Santosh S.
SS
Santosh S.
02/06/2026
Validated Reviewer
Review source: Organic

Effortless Setup, Robust Features for Cold Outreach

I find GMass very easy to set up, which saves me a lot of hassle. I appreciate that it provides higher delivery rates than others I have used. It's very practical and reliable with tons of features, including SMTP. I really value the follow-up automation and CRM capability that makes it easy to track records. Its features are advanced, and most software is less likely to offer such capabilities.
Rakesh k.
RK
Rakesh k.
02/04/2026
Validated Reviewer
Review source: Organic

Simple Automation with Room for Improvement

I like GMass for its simplicity and ease of use. Setting up multiple campaigns and measuring outreach responses is straightforward, allowing me to manage email automation and outreach effectively. The initial setup was great, making it easy to start using the tool.
Amy M.
AM
Amy M.
02/03/2026
Validated Reviewer
Verified Current User
Review source: Organic

GMass Made Custom Union Outreach Fast and Straightforward

GMass absolutely saved me when I needed to send customized messages to our union members during a ratification vote. I appreciate how straightforward the process was. I was able to send critical information in such a small window of time. Would absolutely recommend!

About

Contact

HQ Location:
Chicago, IL

Social

@GMassForGmail

What is GMass?

GMass is an email marketing tool designed to enhance Gmail's functionality by enabling users to send personalized mass emails, track opens and clicks, and automate follow-ups. It integrates seamlessly with Google Sheets, allowing for easy management of email lists and campaigns. GMass is particularly popular among small businesses, marketers, and sales professionals for its user-friendly interface and powerful features that simplify email outreach and engagement. For more information, visit their website at https://www.gmass.co/.

Details

Year Founded
2014