# GMass Reviews 2026. Verified Reviews, Pros & Cons | Capterra > Is GMass the right Email Tracking solution for you? Explore 1395 verified user reviews from people in industries like yours to make a confident choice. Source: https://www.capterra.com/p/168452/GMass/reviews --- GMass 4.8 (1395) Provider data verified by our Software Research team, and reviews moderated by our Reviews Verification team. [Learn more](https://www.capterra.com/our-story/) * * * Last updated May 26th, 2026 # Reviews of GMass Ease of use 4.7 Customer Service 4.6 ## Pros and Cons in Reviews Simple and intuitive operation 96% positive reviews out of 316 Most users report ease of use, appreciating intuitive setup, minimal learning curve, and seamless Gmail integration. Kevin L President, 1 employee. "It takes time to establish connections and GMASS makes it a lot easier." Inconsistent spam filtering and delivery 59% negative reviews out of 66 Some users report spam prevention issues, with emails landing in spam folders and unclear reasons for deliverability problems. Phil N Marketing, 2 - 10 employees. "Long story short, their email verifier doesn't work and using GMass to send just 90 emails has changed my email reputation from good to spammer." Efficient workflow and productivity 97% positive reviews out of 94 Most reviewers find time saving crucial, highlighting streamlined outreach, automation, and reduced repetitive tasks. Levi K Head Coach, 1 employee. "It helps me manage outreach easily and keeps all replies organized in one place, which saves me a ton of time compared to other platforms." Versatile and user-friendly extension 94% positive reviews out of 34 Most reviewers describe the extension as easy to install, feature-rich, and simplifying bulk email management. ## Showing most helpful reviews Showing 1-25 of 1395 Reviews Sort by: Most Helpful Rating Company Size Reviewer's Role Length of Use Frequency of Use Matt M. CEO Marketing and Advertising Used the software for: 2+ years ### "Gmass: My favorite Gmail Mail Merge Tool" May 28, 2026 5.0 I’ve personally used for years. We’ve run affiliate launches with thousands of partners and done daily personal outreach, all inside Gmail, thanks to this incredible Chrome extension. Pros I’ve tested dozens of email platforms…but is the one I keep coming back to. Here’s why: Daily Consistency I use GMass to send 10–20 outreach emails per day. It’s a daily habit that keeps networking warm and partnerships flowing. Instead of mass blasts that feel cold, this approach helps build actual relationships. Affiliate Program Power When we run large-scale affiliate launches, we use GMass to communicate with thousands of partners. We can personalize updates, send reminders, and deliver swipe copy…all without switching tools or compromising quality. Personalized at Scale Merge fields from Google Sheets allow us to reference names, URLs, stats, or past interactions. So even a 2,000-person campaign feels like it was written individually. The recipient doesn’t feel like a number. Batch Sending + Scheduling GMass lets you space out your email delivery. That means better inbox placement and lower chances of hitting Gmail’s spam filters. It also spreads out responses so you’re not flooded all at once. Powerful Reporting The built-in analytics tell us who opened, who clicked, who replied, who bounced, and who unsubscribed. It’s actionable, fast, and doesn’t require extra integrations. Google Sheets Integration This is a game changer. Link your Sheet once, and GMass reads all the data dynamically. Want to update a name or tweak a message mid-campaign? Just edit the Sheet. No re-importing needed. Email Verification GMass verifies email addresses before you send…so you’re not wasting credits on dead leads or harming your sender reputation. It’s one of the unsung features that saves tons of time and money. In short? GMass saves us thousands of hours and thousands of dollars. We’ve never been flagged or shut down by Gmail…and that’s saying something in today’s deliverability climate. Cons There’s a learning curve The interface is simple, but it does take a few days to fully grasp how to use Sheets, merge tags, and campaign scheduling. Thankfully, the blog and help docs are solid. Once you’re in the flow, it’s second nature. It’s not the cheapest option At $25/month, GMass might seem expensive compared to some email tools. But considering the features, flexibility, and Gmail-native experience, it more than pays for itself. Especially when you factor in saved time and increased deliverability. Test your emails first Always add yourself to the Sheet and run a real test. Occasionally, merge fields don’t populate as expected…not often, but often enough that you’ll be glad you checked. It’s a quick fix that avoids awkward sends. These are minor trade-offs considering how powerful GMass is…but they’re worth knowing before you dive in. Switched from [Yet Another Mail Merge](https://www.capterra.com/p/168100/Yet-Another-Mail-Merge/) CLient made us but we loved it. Glad we made the switch. Review Source SM Sailash M. Founder Wholesale Used the software for: Less than 6 months ### "Efficient email outreach without leaving Gmail" May 5, 2026 5.0 makes it easy to send personalized bulk emails directly from Gmail. I’ve used it for outreach campaigns, and the Google Sheets integration is a big plus. The automation (follow-ups, scheduling, tracking) works well and helps save time. There is a slight learning curve, especially for more advanced features, but once set up, it’s very effective. I’d recommend it to small businesses, consultants, or anyone doing regular email outreach. Pros Native Gmail integration (no separate platform needed) Strong personalization using Google Sheets Automated follow-ups and sequences Easy reply management inside Gmail Cons UI can feel slightly dated compared to newer tools. Setup for advanced campaigns takes some time, especially when configuring sequences and conditions. Reporting is useful but could be more intuitive at first glance. Alternatives considered [Instantly Design](https://www.capterra.com/p/186076/Instantly-Design/) Reason for choosing GMass Less expensive, lower learning curve, quicker setup Review Source SC Sarah C. Founder Entertainment Used the software for: 2+ years ### "Terrible Customer Service" August 25, 2023 3.0 Pros The program works ok. I realized that I'm basically double paying for mass email and felt like it clogged my inbox. It works for plain text emails, however I didn't really find much other benefit personally. And, I regret spending the money on it. Other people have found it really useful and leaving high reviews. I'm just feeling I could have done without it. Cons The customer service is awful and the website is a little bit of a run around to find your help/support answers. There is no chat function on the site nor a way to contact them. I didn't realize my subscription was still going until I got a card ping today. I immediately canceled the account and went to find customer service to ask them to stop payment since. In order to get a refund, I had to search the site. Then, you can only connect with customer service if you have attached to your emails. I'd already pulled the chrome extension off my computer. Without the GMass extention, you cannot get a hold of customer service. To me, this is dishonoring to the customers that pay money monthly to use a product. For this reason, I wouldn't recommend GMass. Review Source RB Rene B. Partner Information Technology and Services Used the software for: Less than 6 months ### "Intercom Series capability at a fraction of the complexity" May 22, 2026 5.0 Pros has become my default mail merge tool for interview recruitment outreach. I've run two separate campaigns with it and both went smoothly. Quick setup, reliable sends, useful reporting. For a sole Researcher who doesn't need an enterprise platform, it hits the right balance of simplicity and capability. Cons The sequence logic is less sophisticated than what I had access to in Intercom Series previously, but that's an unfair comparison given the price difference. For my use case, the simpler model is actually a feature, not a limitation. Alternatives considered [Gmail](https://www.capterra.com/p/202338/Gmail/)[Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Reason for choosing GMass I needed something lightweight after using Intercom Series at a B2B startup. gave me the same core capability, mail merge, follow-ups, tracking, at a price point and complexity level that suits a sole researcher running short-term campaigns. Review Source CA Chandini A. Freelancer Marketing and Advertising Used the software for: Less than 6 months ### "Very powerful. Onboarding can be improved." April 19, 2026 5.0 Very powerful tool, just had to figure out how to make it work since onboarding wizard doesn't exist. Pros Very powerful for the needs of a small business like myself. The ease of integrations with my Google Sheets (because my CRM is small and something like Hubspot would be an overkill for me), the personalizations, and the automations has built it makes well worth the price. Cons There is no onboarding wizard that walks you through the features - lost opportunity for a tool so powerful. Would also love to see the campaign dashboard improved so it's easier to track what happened with each follow-up. Alternatives considered [HubSpot Marketing Hub](https://www.capterra.com/p/171840/HubSpot-Marketing/)[Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Reason for choosing GMass Recommendation from friend + have used both those products in the past and they weren't the right tool for my needs Review Source Kellie B. CEO Management Consulting Used the software for: 6-12 months ### "A must-have for high-volume email outreach" April 20, 2026 5.0 Overall, has made my email workflow much more efficient and far less stressful. Before using it, keeping up with follow-ups felt overwhelming and time-consuming. Now, I can rely on automation to handle that process while I focus on other parts of my work. Even just using a fraction of its features has made a noticeable difference, and I’d highly recommend it to anyone managing consistent email outreach. Pros The follow-up automation is by far the most valuable feature for me. I send a large volume of emails every week, and completely removes the need to manually track who has replied and who hasn’t. It ensures nothing falls through the cracks and keeps my outreach organized without extra effort. I also love that it integrates directly into Gmail—it feels seamless and doesn’t require learning a new platform. It’s straightforward, efficient, and saves me a significant amount of time. Cons There’s definitely more functionality available than I’ve personally explored so far, so there may be a slight learning curve if you want to fully maximize everything offers. That said, the core features are very easy to use. Review Source VD Vishnu D. Manager Business Supplies and Equipment Used the software for: Less than 6 months ### "Value for Money" April 21, 2026 5.0 My overall experience with has been very positive. I’m genuinely happy with how easy it is to use, especially since it works directly within Gmail, making email campaigns feel seamless and familiar. The ability to send personalized bulk emails, automate follow-ups, and track opens and clicks has made my outreach much more effective. I also appreciate how quickly I was able to get started without needing extensive technical knowledge. While there are a few areas that could be improved, the overall performance, reliability, and time-saving features make it a great tool for email marketing. It has significantly improved my productivity and communication. Pros Value for Money, Features, Data Management, Security, Customer Support, Email Marketing, Email Templates Cons What I liked least about was its occasional lack of polish in the user experience. While powerful, the interface can feel cluttered and not very intuitive, especially for first-time users. Some features—like campaign analytics and list management—aren’t as streamlined as they could be, which can slow down workflow. There’s also a bit of a learning curve to fully understand advanced options like automation and personalization. Additionally, since it relies heavily on Gmail, any limitations or quirks of Gmail itself can affect performance. Finally, customer support, while helpful, isn’t always as fast or proactive as expected when dealing with urgent issues. Review Source Todd J. Accident, Life, Health and Legal Insurance Insurance Used the software for: 2+ years ### "This makes things easier" April 14, 2026 5.0 There are no complaints that I have. I've known about it for 6 years. I took a break from it, but now I see I need to be using it again. Pros Automation and consistency with follow up. I also like that it sends the emails individually and not in a mass text, and then gives me analytics to see who is opening those emails. Cons I want to be able to send more than 490 emails a day. Fix this part. This may be due to Gmail's terms though. See if Gmail can make an exception for . Review Source Ritesh T. growth strategist Civil Engineering Used the software for: Less than 6 months ### "email campaign tool" May 28, 2026 4.0 Pros its just been a month i started using and i am very satisfied with the premium plan. however the subscription charge is little bit high but its a fantastic tool for using gmail for sending bulk or campaign emails especially the SEQUENCE FOLLOW UP is what i loved and needed.. thanks gmass.. Cons costing is a little bit high but the tool is great especially for sequence follow ups.. happy to use Switched from [Zoho Social](https://www.capterra.com/p/159351/Zoho-Social/) sequence follow up feature was not available Review Source VR Verified Reviewer Owner Media Production Used the software for: Less than 6 months ### "Overall satisfied" May 14, 2026 5.0 Pros This works as intended. Great for a smaller operation like our company. Appreciate this service for those who are price sensitive. Cons Not as much added functionality for follow ups/tracking. Opens get counted when sender opens sent emails. Review Source AD Ann D. Publicist Entertainment Used the software for: Less than 6 months ### "Time-Saving, Affordable and Easy to Use Email Marketing" November 10, 2025 5.0 I have had a great experience using , it's saved me a lot of time on pitching, reporting and following up on leads. Pros This year, I started my own business and was looking for a way to send mass emails through Gmail with analytics about who exactly was engaging with our pitches. Many of these services can be extremely expensive, but has great value for it's monthly fee, even as we continue to grow. I like how easy it is to use and how it's integrated into Google Drive for easy contact management. It's easy to see who is clicking and opening our emails, cutting time off reporting and improving insights into where our focus should be. Cons I don't have any complaints about , but it can sometimes take a while to send a large batch of emails. Switched from [Streak](https://www.capterra.com/p/124465/Streak/) The price increased to where I couldn't afford it anymore and it was a service focused on CRM, which we do not need. Review Source MN Mark N. No Specific title Health, Wellness and Fitness Used the software for: Less than 6 months ### "GMass - makes mail merge in Gmail easy to do! " July 21, 2025 5.0 After recently integrating GMAS into my workflow for mail merges, my experience has been overwhelmingly positive. The platform streamlines email communication and adds valuable tracking functionalities that elevate campaign effectiveness. Pros Ease of use, helpful tutorials, ease of connecting to a sheet with mail merge data. The campaigns dashboard is fantastic to see stats including clicking on links. Cons Price - feel it is a bit pricy. It did take a bit to understand some of the more refined features. Once tested, it was easy to use. Switched from [Mailmeteor](https://www.capterra.com/p/187305/Mailmeteor/) To difficult to use and wasn't creating the results I was looking for. Review Source BJ Barbara J. Owner Health, Wellness and Fitness Used the software for: Less than 6 months ### "Simple and easy marketing tool" October 9, 2025 5.0 Sending out email campaigns to our growing contact list has been easy and stressfree. . Pros The affordability, simplicity and ease of use. I like the capability of creating individualized/customized email campaigns for our audience. Cons Nothing yet. . Alternatives considered [Flodesk](https://www.capterra.com/p/207268/Flodesk/)[Constant Contact](https://www.capterra.com/p/31898/Constant-Contact/)[Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Reason for choosing GMass affordability and unlimited contacts, unlimited outgoing emails Switched from [Flodesk](https://www.capterra.com/p/207268/Flodesk/) individualized email campaigns, unlimited audience and unlimited outgoing emails Review Source MG Michael G. Publicist Media Production Used the software for: Less than 6 months ### "Solid platform with great features" September 26, 2025 4.0 It's a really handy service for how I need to use mass mailing. The auto follow ups will be a life saver, and the personalised emails feel easy to use, not allow errors. You can easily make a lot more errors using free versions of gmail mail merges using sheets. Pros I like the UI, the additional features (spam test), email validation and also the follow up feature. Cons I can't get my head around the extra mailing (over 2000 emails) using SMTP mailing. I also think it is vague to say that gmail may allow you to send more without that. Switched from [Yet Another Mail Merge](https://www.capterra.com/p/168100/Yet-Another-Mail-Merge/) I needed more functionality and also needed to send more emails. Review Source Rob D. Comms Director Automotive Used the software for: Less than 6 months ### "GMass is worth it" August 4, 2025 5.0 I was surprised how many features we get for the cost. The integration with Google Sheets is a time saver. Customer service is very responsive. Pros I'm so glad I found . It's does more than I need at this moment and it's quite a value over the alternatives. The dev team is always adding new features and appreciates user feedback. Highly recommend. Cons I've used for two months and I currently have no CONS regarding how we implement it for our org. Switched from [Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Cost. Our list was growing and we did not need the added functionality of MC. Review Source CE Chimamanda E. Peer Advisory Leader Education Management Used the software for: Less than 6 months ### "Get Gmass and save time" July 23, 2025 4.0 Pros This is an amazing service! I wanted to just use the free trial to see how much value it would add, and I immediately subscribed once I got my first campaign out and its report back. In particular, I appreciated the bcc feature still working with the merges as well as the ability to still merge replies to certain recipients in the thread from the original campaign. Yet to find any issues since the first bug I encountered, and it has saved me so much time! Cons At first, it did seem like there was some bug as the campaign would not actually send despite hitting the correct button several times. The same error about the mail merge tags that I was using kept coming up each time. When it did eventually send, I was thoroughly pleased with the outcome. Switched from [Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Not very convenient for use with gmail; too specialized for the natural email feel I wanted Review Source Debra H. Broker Real Estate Used the software for: Less than 6 months ### "Must have tool" August 2, 2025 5.0 This is a must have tool for anyone doing mass email campaigns. Ease of use is its best feature. Quck delivery time. Pros This product is easy to use. Perfect for sending out mass marketing emails with very little bounce back. A must have tool. Cons Installation was a bit different. Overall once I got the hang of it, the product worked flawlessly. A great addition. Switched from [Mailchimp](https://www.capterra.com/p/110228/MailChimp/) Too complicated to get just a single piece of mail out. Review Source AB Angel B. Founder Marketing and Advertising Used the software for: Less than 6 months ### "I like Gmass" December 17, 2025 5.0 I've just started using , and so far, the experience has been nothing but positive. I’m still learning all the ins and outs, but it’s very easy to get started with. It’s a solid plugin for sending mass campaigns directly from your inbox, and the tracking features for opens and clicks are really helpful. It’s stable, intuitive, and seems to have everything you need for effective email marketing. Definitely worth a try! Pros I’ve just started using , and so far the experience has been very positive. It’s incredibly convenient to send mass campaigns directly from my own inbox. It feels stable and intuitive, and the tracking features for opens and clicks provide exactly the insights I need. It’s a great tool for anyone looking for an efficient way to handle email marketing within Gmail. Cons Since I’m a new user, I’m still in the process of learning how all the different features work. I haven't encountered any real issues or downsides yet, as the interface is quite user-friendly. So far, everything is working as expected. Review Source NK Nishant K. Sr. Client Partner Computer Software Used the software for: Less than 6 months ### "Must have toll for Email sequencing " October 23, 2025 5.0 Fantastic and it is easy to use and i would recommend everyone to use it . I was facing issues with apollo and was not sure whether emails are landing properly or not. Pros It is easy to use and Great UI and UX and i can quickly add the spreadsheet and great toll for personalized experience. Cons Nothing identified yet it was seamleass and i must recommended it for professional using it . it can make the things easier for anyone using it. Review Source LK Levi K. Head Coach Education Management Used the software for: Less than 6 months ### "Coach Levi" October 27, 2025 5.0 My overall experience has been excellent. has made my athlete and parent outreach so much easier to handle. The ability to send individualized messages, track opens, and manage replies right from Gmail has been a huge help for my recruiting and training communication. Pros I really like how simple makes it to send personalized email campaigns straight from Gmail. It helps me manage outreach easily and keeps all replies organized in one place, which saves me a ton of time compared to other platforms. Cons There’s honestly not much I dislike. It takes a little time to get used to all the features at first, but once you understand how it works, it runs smoothly and does exactly what it promises. Review Source EZ Emmanuel Z. IT Consultant Government Administration Used the software for: Less than 6 months ### "GMass is Great, Incredibly fast output" September 2, 2025 5.0 Fast and Easy. Just connected a google sheet, drafted a letter, assigned data information, and last press the red button to send. Pros is great for fast sending of bulk email to clients. Just connect Google sheet, draft a letter , assigning data and press the RED Gmass button and Viola. Problem solved. Cons Need to subscribe all email in the group to send email. Gmass should have a group discount for google workspace group users Review Source VR Verified Reviewer Testing Coordinator Education Management Used the software for: Less than 6 months ### "Great tool for data management!" January 30, 2026 4.0 It was great and I would highly recommend to anyone working with a lot of data. You have to play around to figure some things out since the videos don't give a lot of specific details. Pros Ability to send individual attachments on mass emails. Quickly able to set up email templates and individualize mass emails. Cons The instructive videos could have given a little more detail on how to set up spreadsheets and attach links from Google Drive. Review Source RT Ravi T. Partner Insurance Used the software for: Less than 6 months ### "It supercharges your work" January 28, 2026 5.0 It's amazing to see how it solves a big mailing problem so seamlessly. I would keep subscription forever. Pros Bulk emails & all them go to Primary & not promotions. it's value for money & supercharges your outreach. Cons I think hubspot integration would be a great idea. But if it's not there i wouldn't care. this Gmail wraparound works well. Review Source JM Johannes M. Founder Marketing and Advertising Used the software for: Less than 6 months ### "the easiest email tool" November 18, 2025 5.0 1\. Clean & simple: A simple, easy-to-use tool that gets the job done. 2. Slightly stronger: A clean, easy tool designed to get the job done quickly. 3. More professional: An easy, straightforward tool built to get the job done efficiently. Pros Easy navigation and a user-friendly structure with flexible customization features, and the support. Cons 1\. Neutral & clean: The look and overall style. 2. Slightly enhanced: Its visual look and overall style. 3. More polished: The design’s look and overall visual style. Review Source LVN Lillian Vale N. CEO Publishing Used the software for: 6-12 months ### "So far...So Great!" June 20, 2025 5.0 is working perfectly for marketing my Newly Released book publishing. It comes with tons of new and useful tools and filters! Pros It comes with tons of new and useful tools and filters allowing me to maximize my email output daily in order to promote my book publishings. Cons The software is user friendly and I have no complaints about using it so far. It allows me to maximize my email exposure. 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