33+ Tools ReviewedUpdated March 2026Independent & Unbiased
Instantly vs GMass
A detailed head-to-head comparison of features, pricing, and use cases.
Instantly
Scale your outreach with unlimited email accounts and built-in warmup.
4.7
From $30/mo
GMass
Mass email and cold outreach directly inside Gmail.
4.0
From $25/mo
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Feature Comparison
| Feature | Instantly | GMass |
|---|---|---|
| Email Warmup | ||
| SMTP Rotation | ||
| Inbox Rotation | ||
| Email Verification | ||
| A/B Testing | ||
| Analytics | ||
| CRM Integrations | ||
| API Access | ||
| Team Features | ||
| Deliverability Monitoring | ||
| Spintax Support | ||
| Subsequences | ||
| Lead Database | ||
| Unified Inbox | ||
| Custom Tracking Domain |
Pricing Comparison
Instantly
Growth$30/mo
Hypergrowth$78/mo
Light Speed$286/mo
GMass
Standard$25/mo
Premium$35/mo
Professional$55/mo
Verdict: Instantly vs GMass
Both Instantly and GMass are strong choices. Instantly excels for agencies, while GMass is better for solo founders.
Instantly vs GMass is one of the most common comparisons in the cold email space. Instantly (rated 4.7/5) starts at $30/mo, while GMass (rated 4/5) starts at $25/mo. Both tools have their strengths: Instantly is known for unlimited email accounts on all plans, while GMass stands out for works directly inside gmail. The best choice depends on your specific needs, budget, and scale. We recommend trying both with their free trials before committing to either platform.