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GMass Logo

Google Chrome extension for sending & scheduling emails

Table of Contents

GMass - 2026 Pricing, Features, Reviews & Alternatives

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All user reviews are verified by in-house moderators and provider data by our software research team.  Learn more

Last updated: December 2025

GMass overview

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Based on 1362 verified user reviews

What is GMass?

GMass is a personalization solution with key features that include email distribution, email marketing, email campaign management, campaign scheduling, reporting and analytics, customizable fields, and more.

Who uses GMass?

By industry, GMass reviewers are most commonly professionals in marketing and advertising (15%). The most frequent use case for GMass cited by reviewers is email marketing (69% of reviewers).

What do users say about GMass pricing?

Most reviewers indicate that GMass delivers strong value for money, with affordable pricing, flexible plans, and a useful free tier. However, some users report that paid plans can feel pricey and the free version’s limitations are frustrating.

What are the most popular integrations for GMass?

The GMass integrations most frequently cited by reviewers are: Gmail (an email management product rated 4.9 out of 5 for its integration with GMass) and Google Sheets (a spreadsheet product, 5.0).

Starting price

25flat rate /
per month

Alternatives

with better value for money


Pros & Cons

Email Sending

Email Campaigns

Training and Learning Curve

Google Sheets Integration

Email Sending Limits

Challenges with email deliverability

GMass’s user interface

Ease of use rating:

GMass pros, cons and reviews insights

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To determine these pros and cons insights, we analyzed responses from 

Overall rating

Reviews sentiment

 
 
 
1-2(5)
3-4(204)
5(1,153)

What do users say about GMass?

GMass is a personalization solution with key features that include email distribution, email marketing, email campaign management, campaign scheduling, reporting and analytics, customizable fields, and more.

Select to learn more


Who uses GMass?

Based on 1,362 verified user reviews.

Company size

Small Businesses

Enterprises

Midsize Businesses

Top industries

Marketing and Advertising
Information Technology and Services
Real Estate
Education Management
Others

Use cases

Email Marketing
Email Tracking
Personalization

GMass's key features

GetApp's analysis of 118 verified user reviews collected between July 2021 and December 2024 identifies GMass' most critical features and summarizes user sentiment about those features.

Email Distribution

Reviewers appreciate GMass's email distribution capabilities for their ease of use and high precision. They report that GMass helps simplify the process of sending bulk emails, ensuring high deliverability and avoiding spam folders. Users find the integration with Gmail valuable for improving deliverability rates. They also highlight the ability to space out emails, automatic data pickup from lists, and the AI capability that optimizes send times. Overall, users feel GMass makes email distribution efficient and reliable. Of the 18 GMass users who gave detailed accounts of their use of Email Distribution, 100% rated this feature as important or highly important.

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“As our marketing designer, I have to send a lot of emails to people asking them for collaboration or to include us in newsletters. GMass helps simplify that process and personalize emails so I only have to write an email once.”
AO

Arianna O.

Marketing Designer

“In a matter of minutes, you'll send dozens of individual emails with little effort and high precision ”
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Julio G.

Senior Comms Specialist


Email marketing

Reviewers indicate that GMass excels in email marketing by allowing them to send personalized emails to multiple recipients efficiently. They appreciate the high read rates and the ability to track email opens and responses. Users find the spam solver capability helpful in ensuring emails reach inboxes. They also value the tool's ease of use, integration with Gmail, and the ability to manage multiple lists for targeted outreach. Overall, users feel GMass simplifies and enhances their email marketing efforts. Of the 35 GMass users who gave detailed accounts of their use of Email Marketing, 97% rated this feature as important or highly important.

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“It helps automatically customize every email in a campaign”
GD

Ghizlan D.

affiliate marketer

“Reaching multiple sets of contacts at the same time is important”
BD

Bri D.

Marketing Consultant


Email campaign management

Users report that GMass's email campaign management capabilities are highly effective and user-friendly. They appreciate the AI-driven optimization for open rates, A/B testing, and the ability to track clicks and opens. Reviewers highlight the auto follow-up capability, which significantly increases engagement. They find the dashboard useful for monitoring campaign performance and managing multiple campaigns. Overall, users feel GMass makes email campaign management straightforward and impactful. Of the 56 GMass users who gave detailed accounts of their use of Email Campaign Management, 96% rated this feature as important or highly important.

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“This feature is very useful because the AI exactly knows when will the email get most open rate, as well as reply. The A/B testing feature allows to test the subject line as well as the body copy and the AI takes care of which option to continue the campaign with.”
SM

Sarah M.

Influencer Partnership

“Gmass allows us to easily create new campaigns and see the performance of the old ones. The auto follow-up feature is a great feature that has increased the open rates.”
AO

Alexander O.

CEO


Reporting/Analytics

Reviewers appreciate GMass's reporting and analytics capabilities for providing clear and detailed insights into email campaign performance. They value the ability to track opens, clicks, and replies, which helps them make data-driven decisions. Users find the reports easy to understand and useful for improving future campaigns. Some mention that while the analytics are helpful, there is room for improvement in visualization. Overall, users feel GMass's reporting and analytics are valuable for monitoring and optimizing their email efforts. Of the 38 GMass users who gave detailed accounts of their use of Reporting/Analytics, 87% rated this feature as important or highly important.

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“By tracking revenue generated from email campaigns, users can determine the effectiveness of their campaigns and make data-driven decisions about future investments.”
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Mani P.

Chief Manager

“Reporting and Analytics of Gmass is very easy to understand. It provides detailed report of email campaigns.”
AA

Abhishek A.

CEO


List management

Users find GMass's list management capabilities to be efficient and easy to use. They appreciate the integration with Google Sheets, which allows for seamless import and management of contact lists. Reviewers highlight the automatic segregation of names and email addresses, making it simple to organize and target specific groups. They also value the ability to keep track of opens and engagement. Overall, users feel GMass's list management helps them maintain organized and effective email campaigns. Of the 24 GMass users who gave detailed accounts of their use of List Management, 83% rated this feature as important or highly important.

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“Managing a list to send email is a must have part and in Gmass its automatically pick from The Gmail and its amazing.”
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Vinay D.

AM Digital Marketing

“Ability to clearly and succinctly manage targets ”
dl

dennis l.

COO


Customizable fields

Reviewers highlight the customizable fields in GMass as a key aspect for personalizing email campaigns. They appreciate the ability to add or delete fields according to their needs, making each email feel unique and tailored. Users find this capability enhances engagement and response rates. They also value the ease of use and integration with data from Google Sheets. Overall, users feel GMass's customizable fields are essential for creating personalized and effective email communications. Of the 30 GMass users who gave detailed accounts of their use of Customizable Fields, 80% rated this feature as important or highly important.

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“Custom fields in Gmass is important when I need to have custom data from my leads.”
JA

James A.

Owner

“You can add fields that will be replaced by data provided in your sheets. ”
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Possible J.

Director


All GMass features

Features rating:

Drip campaigns
Real-Time analytics
Preview functionality
Email templates
Audience targeting
Email tracking
Email management
Campaign scheduling
Campaign analytics
Personalization
Real-Time reporting
Behavior tracking
Engagement tracking
Mailing List Management
Data import/export
Activity dashboard
Experience Management
Campaign management
Click tracking
A/B testing
Activity tracking
Customer segmentation
Template management
Event triggered actions
Real-Time notifications
Campaign Segmentation
Content Analytics
Behavioral targeting
Team management
Image library
Subscription management
Scheduling
Autoresponders
API
Alerts/Notifications
Mobile optimization
Dynamic content
Third-Party integrations
HTML editor
CRM
Contextual Targeting
Visual analytics

GMass awards

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GMass pricing

Pricing plans

Pricing details:

Free plan
Free trial
Subscription

Standard

25

Per month

Features included:

  • Works inside Gmail
  • Break Gmail's limits (with a third-party SMTP service)
  • Unlimited contacts
  • Unlimited campaigns
  • Mail Merge Personalization
  • Email address verification
  • Custom tracking links with SSL
  • Spam Solver
  • Email support
  • Hundreds of Other Features

Premium

35

Per month

Features included:

  • Works inside Gmail
  • Break Gmail's limits (with a third-party SMTP service)
  • Unlimited contacts
  • Unlimited campaigns
  • Mail Merge Personalization
  • Email address verification
  • Custom tracking links with SSL
  • Spam Solver
  • Sequences and Follow-Ups
  • API Access
  • A/B Testing
  • Triggered emails
  • Email support
  • Hundreds of Other Features

Professional

55

Per month

Features included:

  • Works inside Gmail
  • Break Gmail's limits (with a third-party SMTP service)
  • Unlimited contacts
  • Unlimited campaigns
  • Mail Merge Personalization
  • Email address verification
  • Custom tracking links with SSL
  • Spam Solver
  • Sequences and Follow-Ups
  • API Access
  • A/B Testing
  • Triggered emails
  • Inbox rotation (MultiSend)
  • High-priority support
  • Email support
  • Hundreds of Other Features

Team - Professional

145

Per month

Features included:

  • Works inside Gmail
  • Break Gmail's limits (with a third-party SMTP service)
  • Unlimited contacts
  • Unlimited campaigns
  • Mail Merge Personalization
  • Email address verification
  • Custom tracking links with SSL
  • Spam Solver
  • Sequences and Follow-Ups
  • API Access
  • A/B Testing
  • Triggered emails
  • Inbox rotation (MultiSend)
  • High-priority support
  • Team management features
  • Email support
  • Hundreds of Other Features

User opinions about GMass price and value

Value for money rating:

Of 135 reviews that provide robust commentary on GMass's price and value, 71% mention it in a positive light.

Most reviewers indicate that GMass offers strong value for money, highlighting its affordable pricing compared to similar tools and the flexibility to start with a free version before committing to a paid plan. They appreciate the ability to test core functionalities at no cost, which helps them assess suitability for their needs. Users think the free tier is useful for basic requirements, and many say the paid plans provide robust features for a reasonable cost, especially for small businesses or those on a limited budget. Some reviewers feel the upgrade to premium is worthwhile for outbound sales and larger campaigns, and they like that plans are flexible and less expensive than traditional CRM or outreach platforms. Reviewers appreciate that even the lower-cost plans include essential features and that the product is cost-effective for the benefits received.

However, some users report that the paid plans can feel pricey, especially for individuals or nonprofits, and a few mention the monthly subscription model may not suit those with infrequent needs. Some reviewers find the free version’s limitations frustrating and wish for more features or flexibility in the trial. A number of users feel the price is higher than expected compared to alternatives, and some express concerns about refund policies and the value received at higher pricing tiers.

, and

To see what individual users think of GMass's cost and value, check out the review excerpts below.

“Less than $50 per month you get the same mass emailing options, automation, and tracking for a fraction of the cost!”
BS

Bertram S.

Financial Professional

“With free version you can send only 50 emails a day, but if you go with a premium it extends to up to 2000!”
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Marko S.

Area Manager

“its called legalose theft i signed up for the yearly option paid $199, used it a couple times, wasn't overly impressed, the trouble comes when you want to cancel, or get a refund, no custome support and even after you cancel they keep charging you.”
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Guy M.

Guy Miller

GMass integrations (4)

Integrations rated by users

We looked at 1,362 user reviews to identify which products are mentioned as GMass integrations and how users feel about them.

Integration rating: 5.0 (15)

You need to use Sheets to best structure large email contact lists and templates. There are other ways, but Sheets is far and above the easiest way to convert huge data sets into customized emails.

CM

Cody M.

Controller

Gmail logo
Gmail

Integration rating: 4.9 (24)

Zapier logo
Zapier

Integration rating: 4.5 (2)

Other top integrations

GMass support options

Typical customers

Freelancers
Small businesses
Mid size businesses
Large enterprises

Platforms supported

Web
Android
iPhone/iPad

Support options

Chat
Knowledge Base
FAQs/Forum
Email/Help Desk

Training options

Videos
Documentation

GMass FAQs

Q. Who are the typical users of GMass?

GMass has the following typical customers:
Freelancers, Large Enterprises, Mid Size Business, Non Profit, Small Business

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Q. What is GMass used for?

GMass is a Google Chrome extension, which helps businesses run mass email campaigns from Gmail, manage responses, create recipient lists, and more. Managers can add an unsubscribe link to their marketing emails, receive notifications for unsubscribed users, and customize follow-up emails using custom content, time, and other variables based on various behavioral segments. Organizations can preview email campaigns to eliminate errors, attach images to follow-up emails, and use Gmail's search functionality to create recipient lists. The software automatically organizes customers' replies using labels and lets administrators manage email bounce lists. Supervisors can also gain visibility into sent, opened, clicked, replied, unsubscribed, bounced, and rejected email metrics through reports and import them in CSV format according to requirements. GMass facilitates integration with Google Sheets, which helps businesses transfer data and automatically compose new emails using the imported information about recipients' names, email addresses, and company.


Q. What languages does GMass support?

GMass supports the following languages:
English


Q. Does GMass offer an API?

Yes, GMass has an API available for use.


Q. What level of support does GMass offer?

GMass offers the following support options:
Chat, Knowledge Base, FAQs/Forum, Email/Help Desk

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