Best alternatives to GMass: Powerful mail merge for Gmail (2026)
10 Chrome extensions that do a similar job to GMass, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
GMass: Powerful mail merge for Gmail today
GMass alternatives, compared
- 1
Mail Merge for Gmail - Mailmeteor
Free mail merge & mass email tool for Gmail, with email tracking and auto follow-ups
≈70K users4.9★ from 210 ratingsUpdated 5 days ago5 permissions- About 5.7× fewer users than GMass
- Asks for more permissions (5 vs 0)
- 2
MergeMail
Mail merge for Gmail
≈30K users4.9★ from 806 ratingsNot updated for 2+ years4 permissions- About 13× fewer users than GMass
- Updated less recently
- Asks for more permissions (4 vs 0)
- Listed under Workflow & Planning
- 3
Streak Mail Merge for Gmail
Send personalized, tracked mass emails and follow-up sequences in Gmail.
≈10K users4.8★ from 4 ratingsUpdated 10 days ago10 permissions- About 40× fewer users than GMass
- Asks for more permissions (10 vs 0)
- Listed under Workflow & Planning
- 4
Mail Merge for Gmail
Simple app to send emails to multiple destinations at the same time
≈10K users2.7★ from 36 ratingsUpdated 2 months ago1 permissions- About 40× fewer users than GMass
- Rated 2.1 stars lower
- Updated less recently
- Asks for more permissions (1 vs 0)
- Listed under Workflow & Planning
- 5
Mailbutler for Gmail
Track emails, send personalized mail merges, create professional signatures, and stay productive in Gmail.
≈6K users4.6★ from 69 ratingsUpdated 13 days ago7 permissions- About 67× fewer users than GMass
- Asks for more permissions (7 vs 0)
- 6
Mailto: for Gmail™
Makes mailto: links open a Gmail™ compose window. Nothing more, nothing less.
≈100K users3.5★ from 414 ratingsUpdated 12 months ago4 permissions- About 4.0× fewer users than GMass
- Rated 1.2 stars lower
- Updated less recently
- Asks for more permissions (4 vs 0)
- Listed under Functionality & UI
- 7
Mail Boss Scheduler for Gmail
Recurring email scheduler for Gmail
≈1K users4.0★ from 6 ratingsNot updated for 4+ years2 permissions- About 400× fewer users than GMass
- Updated less recently
- Asks for more permissions (2 vs 0)
- Listed under Workflow & Planning
- 8
Mailtrack® – Email Tracker for Gmail
The original Mailtrack®: free, unlimited email tracking for Gmail. Trusted by millions, GDPR-compliant and Google-audited.
≈3M users4.2★ from 11.9K ratingsUpdated in the last day13 permissions- About 7.5× more users than GMass
- Rated 0.5 stars lower
- Asks for more permissions (13 vs 0)
- 9
Send Mass Mail + HTML inserter for Gmail
A Gmail Extension
≈7K users4.7★ from 38 ratingsUpdated 8 weeks ago1 permissions- About 57× fewer users than GMass
- Asks for more permissions (1 vs 0)
- 10
Send Anywhere For Gmail
Ad-free from any platform, powerful link management and easy large files attachment to email freely
≈100K users3.7★ from 236 ratingsUpdated 7 months ago12 permissions- About 4.0× fewer users than GMass
- Rated 1.0 stars lower
- Updated less recently
- Asks for more permissions (12 vs 0)
- Listed under Workflow & Planning
GMass alternatives: questions
What is the best alternative to GMass?
By users, the most popular alternative is Mailtrack® – Email Tracker for Gmail with ≈3M users and a 4.2-star rating. The closest match by what it does is Mail Merge for Gmail - Mailmeteor.
Which GMass alternative has the best rating?
Mail Merge for Gmail - Mailmeteor has the highest rating of these alternatives with 50+ ratings: 4.9 out of 5 from 210 ratings.
How many alternatives to GMass are there?
We list 10 close alternatives to GMass on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.