The Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Integrates directly into Gmail's compose window for ease of use.
Biggest con
Requires the Google Chrome browser to function.
TL;DR - GMass
- GMass transforms Gmail into a powerful email marketing and cold email platform.
- It enables mass email sending, advanced personalization via Google Sheets, and automated follow-up sequences.
- The tool offers robust analytics, list building from existing Gmail contacts, and behavior-based campaign segmentation.
What is GMass?
Available on: Chrome
Pros & Cons
Pros
- Integrates directly into Gmail's compose window for ease of use.
- Bypasses Gmail's native sending limits for mass email campaigns.
- Offers advanced mail merge personalization using Google Sheets, including fallback values.
- Automates follow-up sequences until a recipient replies, enhancing response rates.
- Provides detailed email reporting and analytics accessible from desktop and mobile Gmail apps.
Cons
- Requires the Google Chrome browser to function.
- Relies on Gmail's infrastructure, which might not be suitable for all enterprise-level email marketing needs.
- The email list builder is limited to contacts found within the user's Gmail account.
Ratings Across the Web
Ratings aggregated from independent review platforms. Learn more
Preview
Key Features
Pricing Plans
Pricing checked Jun 13, 2026
Free
Free
- 50 emails/day
- Basic features
- GMass footer
Standard
$25/monthly
- Unlimited emails
- No footer
- Follow-ups
Premium
$35/monthly
- A/B testing
- API
- High priority
How GMass's pricing compares
At $25/mo, GMass is mid-range of its 5 direct competitors ($9 to $69/mo across the set).
Entry paid plan, monthly. Pricing checked Jun 13, 2026.
Reviews
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GMass FAQ
How does GMass enable sending mass emails beyond Gmail's standard limits?
Can GMass personalize emails using data from Google Sheets, and does it support dynamic updates?
What kind of reporting and analytics does GMass provide for email campaigns?
How does GMass assist in building email lists from existing Gmail contacts?
Does GMass offer functionality for automated follow-up sequences in cold email campaigns?
Can GMass create behavior-based campaigns based on previous email interactions?
Source: gmass.co