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GMass Logo

Google Chrome extension for sending & scheduling emails

Table of Contents

GMass - 2026 Pricing, Features, Reviews & Alternatives

Verified reviewer profile picture
Verified reviewer profile picture

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

Last updated: April 2026

GMass overview

Based on 1372 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

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

Overall rating

Reviews sentiment

 
 
 
1-2(5)
3-4(205)
5(1,162)

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 1,372 verified user reviews.

Company size

Small Businesses

Midsize Businesses

Enterprises

Top industries

Marketing and Advertising
Real Estate
Education Management
Entertainment
Others

Use cases

Email Marketing
Personalization
Email Tracking

GMass's key features

GetApp's analysis of 111 verified user reviews collected between July 2021 and September 2024 identifies GMass' most critical features and summarizes user sentiment about those features.

Email Distribution

Reviewers appreciate GMass's email distribution capabilities for simplifying the process of sending personalized emails to large groups. They report that GMass integrates well with Gmail, improving deliverability and reducing the chances of emails ending up in spam folders. Users highlight the ease of sending multiple emails quickly and efficiently, with capabilities like AI scheduling and email priming. They also value the automatic handling of email lists and the ability to space out emails to avoid spam filters. Of the 18 GMass users who gave detailed accounts of their use of Email Distribution, 100% rated this feature as important or highly important.


Email marketing

Users find GMass highly effective for email marketing, noting its ability to send personalized emails to multiple recipients and track open rates. They appreciate the tool's ease of use, integration with Gmail, and capabilities like email validation and spam solver. Reviewers indicate that GMass helps them reach a wide audience efficiently, with high read rates and the ability to follow up with non-responders. They also value the tool's capacity for organizing and managing different email lists. Of the 34 GMass users who gave detailed accounts of their use of Email Marketing, 97% rated this feature as important or highly important.

See related user reviews

“There are limitations in email template customization, a potential learning curve due to its feature-rich interface, deliverability issues related to its reliance on Gmail's infrastructure, and a lack of built-in CRM functionalities”
JC

Joseph C.

Director of Operations

“While I have used several CRMs such as Hubspot, Salesforce and email marketing tools such as Mail Chimp and Constant Contact, GMass has simplified the process to keep everything within your gmail platform.”
JK

Jena K.

Marketing Director

“It’s a great tool for anyone looking for an efficient way to handle email marketing within Gmail.”
AB

Angel B.

Founder

“If you're looking for an easy way to send survey emails and get a clear picture of their performance, you should definitely try this extension.”
KS

Katarina S.

phd student


Email campaign management

Reviewers highlight GMass's email campaign management capabilities, emphasizing the ease of creating, scheduling, and tracking campaigns. They appreciate capabilities like AI-driven optimization for open rates, A/B testing, and auto follow-ups. Users report that GMass allows them to manage multiple campaigns efficiently, track engagement metrics, and make data-driven decisions. They find the dashboard and reporting tools helpful for monitoring campaign performance and improving future email strategies. Of the 54 GMass users who gave detailed accounts of their use of Email Campaign Management, 96% rated this feature as important or highly important.


Reporting/Analytics

Users appreciate GMass's reporting and analytics capabilities for providing detailed insights into email campaign performance. They highlight the ability to track open rates, clicks, and responses, which helps them make informed decisions. Reviewers find the reports easy to understand and useful for optimizing future campaigns. They also value the interactive and detailed nature of the reports, although some suggest there is room for improvement in visualization and accuracy. Of the 35 GMass users who gave detailed accounts of their use of Reporting/Analytics, 91% rated this feature as important or highly important.


List management

Reviewers find GMass's list management capabilities valuable for organizing and targeting email recipients. They appreciate the integration with Google Sheets, which allows for easy import and management of contact lists. Users report that GMass automatically segregates names and email addresses, making it simple to build and maintain targeted mailing lists. They also highlight the importance of list management for improving engagement and conversion rates. Of the 24 GMass users who gave detailed accounts of their use of List Management, 83% rated this feature as important or highly important.


Customizable fields

Users highlight the customizable fields in GMass as essential for personalizing email campaigns. They appreciate the ability to add or delete fields, making each email appear unique and tailored to the recipient. Reviewers find this capability helps in creating a more personal connection with their audience, enhancing the effectiveness of their outreach. They also note that customizable fields save time by automating the personalization process and integrating seamlessly with data from Google Sheets. Of the 27 GMass users who gave detailed accounts of their use of Customizable Fields, 78% rated this feature as important or highly important.


All GMass features

Features rating:

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

GMass alternatives

GMass logo

Starting from

25

Per month

Free trial
Free version
Ease of Use
Features
Value for Money
Customer Support
Gmail logo

Starting from

Free

Free trial
Free version
Ease of Use
Features
Value for Money
Customer Support
Mailchimp logo

Starting from

13

Per month

Free trial
Free version
Ease of Use
Features
Value for Money
Customer Support
Brevo logo

Starting from

9

Per month

Free trial
Free version
Ease of Use
Features
Value for Money
Customer Support

GMass pricing

Value for money rating:

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:

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

“I was able to send over 300 emails and landed an agent along with 250 emails for a campaign pitch and allowed me to make each email individualized.”
Verified reviewer profile picture

Jackie P.

Model and Creative Director

“The workflow fits right inside Gmail, so teams get powerful campaign features without switching tools, which speeds up execution and collaboration.”
Verified reviewer profile picture

Varun P.

Strategy Founder Office

GMass integrations (3)

Integrations rated by users

We looked at 1,372 user reviews to identify which products are mentioned as GMass integrations and how users feel about them.

Gmail logo
Gmail

Integration rating: 4.9 (39)

It makes it easy to schedule events with other Gmail users.

RP

Rylie P.

Communications Coordinator

Integration rating: 5.0 (27)

port information out of jotform.

SN

Stanley N.

Assistant Manager

Integration rating: 5.0 (4)

Brevo logo
Brevo

Integration rating: 4.5 (3)

seemless integration

Verified reviewer profile picture

Stefan D.

CEO

Integration rating: 4.5 (2)

Automates lead flow and internal processes. We use it to push form submissions into Jobber, trigger follow-ups, and keep everything synced without manual entry. Saves time and prevents missed leads.

BM

Bruce M.

General Manager

Other top integrations

GMass customer support

What do users say about GMass customer support?

Customer support rating:

We analyzed verified user reviews to identify positive and negative aspects of GMass customer support.

Widely noted by reviewers, GMass customer support responds quickly and provides thorough, helpful answers to user questions.

A fair number of users highlight the professionalism and friendliness of the support staff, making troubleshooting easy.

A portion of users appreciate clear help articles and proactive support, which makes resolving issues straightforward.

A minority of users report difficulty accessing live support or immediate help, especially for urgent technical or billing issues.

Support options

Chat
Knowledge base
Faqs/forum
Email/help desk

Training options

Videos
Documentation

To see what individual users say about GMass's customer support, check out the review snippets below.

“I was able to get up and running without any help, and the one question I had, I was able to get support for very quickly.”

VT

Vernaye T.

Project Manager

“There is no immediately available customer support or a number you can call when things go wrong or you're having tech issues.”

SE

Stephen E.

SR

GMass FAQs

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.

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