A powerful mail merge and mass email system for Gmail™.
Listing updated:September 4, 2023
Works with:
1M+
Overview
A powerful mass email and mail merge system for Gmail™. 

Simple and powerful email marketing inside Gmail™.

*Send email marketing campaigns to thousands of email addresses.

*Mail merge with data from Google Sheets™.

*Personalize mass emails based on name, email address, and any available columns in Google Sheets™.

*Schedule mass emails to be sent later.

*Track opens and clicks.

*Send follow-up emails to people that opened, clicked, or replied to a previous campaign, or to those that did NOT open, click, or reply.

*See all reports right in your Gmail account, under the "GMass Reports" Label.

*Create instant recipient lists based on search results. 

*Send unlimited emails from your Gmail™ account by connecting your GMass account to an external SMTP service like Sendgrid.

*And the killer feature - emails can be sent as replies to the last conversation you had with each recipient.

Note that the GMass Add-on must be paired with the GMass Chrome extension for full functionality. The Add-on allows you to see statistics on sent emails and add people to your "Unsubscribes" list, but the Chrome extension is needed to launch email campaigns: https://chrome.google.com/webstore/detail/gmass-powerful-mail-merge/ehomdgjhgmbidokdgicgmdiedadncbgf

We're always improving GMass. Stay updated with GMass on the web and social media.

Website: http://www.gmass.co
Blog: http://www.gmass.co/blog
Twitter: http://twitter.com/GMassForGmail

The website at www.gmass.co has screenshots and explanations of all features. You won't find a better mass email and mail merge tool for Gmail™ than GMass! 

Any questions? Email our support team at support@gmass.zendesk.com or search our blog for answers!
Additional information
PricingFree of charge with paid features
Privacy policy
Terms of service
GMass for Gmail™ will ask for the permissions shown below. Learn more
GMass for Gmail™ will need access to your Google account
This will allow GMass for Gmail™ to :
View your email messages when the add-on is running
Run as a Gmail add-on
Connect to an external service
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
Reviews
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Jasmine Lee
April 12, 2024
GMass allows me to schedule my weekly emails easily. Its user-friendly interface is very convenient for tracking opens and clicks, and for checking incorrect email addresses. It is indispensable for me at work !
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Michael Poeschl
April 11, 2024
2 years of use now, since the pandemic and I still rely on gmass at least weekly! It was easy to set up, learn and use. I recommend it to all my coworkers and have spent lots of time training them and adapting to their use cases.
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Rajshree Panda
April 11, 2024
Great app ease for use ,highly efficient for CRM,GMass has elevated my email marketing strategy with its user-friendly interface and robust personalization features. Great support from Ajay and team
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Matt Silveria
April 7, 2024
I love this app! It works great and it is easy to use and really cool analytics for someone who owns their own business it is a need at this point!
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NHNBusinessAwards NederlandseZaken
April 5, 2024
I had to send a newsletter to 50.000 adresses. GMass advertised with unlimited, but in the end it stopped first at 480 send mails because of the daily limit. You could override it, but it then paused because of to many bounces and they told me I had to send it through my own SMTP server, that I had to buy. So in the end it did not solve my problem. Also when sending a newsletter through a email programm does not look great, because you cannot really build it als a newsletter. So for my purpose it was not a fit.
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Juancho Tupas
January 16, 2024
Easy to use & user friendly compared to other email services I've used. Best thing about it is everything can be done within Gmail and it automatically organizes all emails sent. GMass also syncs with any Google Sheet for contacts. I just had a slight issue where I used an email alias and Gmass didn't tag the response in Google Sheets because the recipient responded directly to the alias email.
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Brittany Dixon
January 15, 2024
As an operations specialist, I highly value efficiency. I currently use 17Hats as my CRM, Scheduler, Proposals, Contracts, Invoices, Payments and direct emailing. However 17Hats does not have email marketing which is a bummer when running email campaigns to find new leads and clients. I came across Gmass and LOVED the ideas because my Gmail is already connected into 17Hats so now MASS Emails will still show up in my CRM under the contact. I just started using Gmass but the ease of setup, ease of use and amazing reports has made it well worth the monthly investment! Definitely try it out if you are a gmail user and need email marketing.
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St Alphonsa Cathedral
January 18, 2024
GMass has elevated my email marketing strategy with its user-friendly interface and robust personalization features. The seamless integration with Gmail, coupled with scheduling options and insightful analytics, makes it an indispensable tool for efficient and effective email campaigns. Ajay and his team have developed a really unique product for this market!
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Roman M
January 17, 2024
Easy and convenient email management plug in. Documentation is readily available - whenever I needed to automate something, I was able to find answers right away. Plugin developer is very active in communicating the value of the plug in, and it helps. What would make the plug in even better? 1. Better communication about sending limits on free tier. I made a mistake and had to resend a small campaign - only to find out then that 50 emails per day is the limit. It was time sensitive so I purchased a subscription. Had I known about the limit from the get go, I might have been more responsible about my first campaign. 2. Availability of one-time charge. In my case, I only needed to go beyond the free tier once. But I was forced to buy a recurring subscription, then of course I forgot to cancel it and got billed for the 2nd month. I feel that the subscription-only model is ethically not ideal, and there should be a way to make one-time purchases for those times when you need to go beyond the free tier. 3. Not sure if this is technically possible, but it would be cool to share just specific worksheets with the plug-in for automation, without giving it access to all your google files. This feels like a security time bomb.
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Knowledge Unleashed Admin
April 4, 2024
Simple to use, but highly customizable and useful. The set up was quick, efficient, and I was able to get going in a matter of minutes. Would highly recommend for anyone who needs email marketing automation.
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