Meet the most recognized alternative to GMASS.

How does Mail Merge compare to GMASS ? Which platform is best for building closer relationships with your clients? What is the best alternative to GMASS? Discover why Mail Merge is an excellent competitor to GMASS.co

Comparison GMASS vs Mail Merge.png

Looking for GMASS alternatives ?


GMass is a mass email marketing tool launched in 2014, designed to simplify mass email campaigns within Gmail. GMass is a well instated and the older player in the Mail Merge add on scene.


It has been founded by Ajay Goel, a seasoned software developer with over two decades of experience.

User experience

While Mail Merge for Gmail and GMASS offer similar features, their user experience differs significantly:

Mail Merge for Gmail has one purpose : allow anyone to be able to send email campaign, while GMASS seems to target tweaking specialists.

This difference in approach has a tangible impact for users : With GMASS, you can feel overwhelmed by popup opening every where, thousand of settings button. In contrast, Mail Merge for Gmail streamlines the process, making template creation and adjustments seamless and intuitive.

More Flexible and Competitive Pricing

Mail Merge for Gmail stands out with its flexible monthly pricing, tailored to meet the needs of SMBs.

GMASS monthly entry-level package is three times pricier, while the premium package costs over five times more with GMASS.

The gap widens even further for annual pricing, with differences ranging from 400% to 1000%, depending on the package.

This comparison is based on similar feature levels. Check out the detailed price breakdown below.

The most secure

You wouldn’t grant access to your mailbox to just anyone, right? So why would you trust any tool with that access?

Although Mail Merge for Gmail has a lower price point, it stands out from GMass by adhering to the industry's most critical security standards: Mail Merge for Gmail passed ISO 27001 certification, CASA Level 3 compliance, and full GDPR alignment.

Get Started

Discover how Mail Merge for Gmail compare with GMass

Take advantage of a comparison table detailing features and pricing.

Mail MergeGMass
User experienceThe tool is designed to enable users to launch an email campaign in just 3 clicks or less.

The user interface is clean and intuitively designed, with complexity expertly streamlined to allow users to focus on what truly matters.
GMass offers a wide range of detailed and granular options, which can be a double-edged sword, as it may overwhelm or intimidate users.
The user interface has some shortcomings, with frequent popups appearing throughout, which can be distracting.
PricingFree tier 50 emails/day

Yearly basic plan at 35.88$
Yearly Premium plan at 47.88$

Monthly basic plan at 5.99$
Monthly Premium plan at 8.99$
Free tier 50 emails/day

Yearly basic plan at 210$
Yearly standard plan at 300$
Yearly Premium plan at 490$

Monthly basic plan at 23$
Monthly standard plan at 33$
Monthly Premium plan at 53$
FeaturesScheduling
Open, click & response tracking
Unsubscribe
Scheduling
Open, click & response tracking
Advanced analytics
Security / PrivacyISO 27001
GDPR
CASA Tier 3 Verified
N/A
Users reviewsRated 4.9/5
on the Google Workspaces Marketplace
Rated 4.8/5
on the Google Workspaces Marketplace
Try the best Mail Merge addon