All Comparisons
ComparisonBulk email & mail merge
Best GMass Alternative — Outsolvi vs GMass
Looking for a GMass alternative? GMass is a mass email and mail merge tool built into Gmail. It focuses on bulk sending with tracking secondary feature. Popular with marketers and newsletter senders.
Outsolvi
from $7/mo
GMass
$20–50/mo
Feature Comparison
Feature
Outsolvi
GMass
Email open tracking
Link click tracking
Bot & scanner filtering
Confidence scoring (0–100)
Native Outlook add-in
Gmail extension
Unified Outlook + Gmail dashboard
AI follow-up insights
Mass mail merge
Auto follow-up to non-openers
Contact CRM with engagement scores
Hot lead detection
Reply sentiment analysis
Google Sheets integration
Starts under $10/mo
Why teams choose Outsolvi
- Built for tracking intelligence, not bulk sending
- Confidence scoring gives real open data — GMass counts every pixel load
- Works in Outlook — GMass is Gmail-only
- Hot lead detection and engagement scoring
- Lighter weight — doesn't risk Gmail sending limits
Where GMass excels
- Powerful mail merge from Google Sheets
- Built for high-volume sending (thousands of emails)
- Auto follow-up campaigns to non-openers
- Email list management and bounce handling
Ready to try Outsolvi?
See every open, click, and reply with confidence scoring that filters the noise. Start free for 14 days.
Start Free Trial