GMass vs Smartlead
A factual comparison of features, pricing, and capabilities
Last updated: 2/6/2026
Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.
Starting at: $30/month
Pricing Comparison
Prices shown are monthly rates. Annual billing may offer discounts. Visit official websites for current pricing.
Feature Comparison
| Feature | GMass | Smartlead |
|---|---|---|
| Works inside Gmail | ||
| Unlimited emails, contacts, and campaigns | ||
| Mail merge personalization | ||
| Free email verification | ||
| Automated follow-up sequences | ||
| A/B testing | ||
| Spam Solver deliverability tool | ||
| Custom tracking links | ||
| Inbox rotation | ||
| API and Zapier access | ||
| Unlimited contacts (higher tiers) | ||
| Email warmup pool | ||
| SmartServers for dedicated IPs | ||
| Multi-channel outreach | ||
| Email verification | ||
| CRM functionality | ||
| OAuth authentication | ||
| Auto-rotating email accounts |
Available
Partial/Limited
Not Available
Integrations
GMass
GmailGoogle SheetsZapierGoogle Workspace
Smartlead
HubSpotSalesforceZapierSlackClayGmailOutlookExpandi
Information on this page is gathered from official sources and may change. Pricing and features were last verified on 2/6/2026. Please visit the official websites for the most current information.