GMass vs Zeekeo
A factual comparison of features, pricing, and capabilities.
GMass
Gmail-based mass email and mail merge platform with unlimited emails, campaigns, and contacts directly inside Gmail.
Zeekeo
Outbound platform that runs email and LinkedIn campaigns from one system, with prospecting and data enrichment, AI-powered messaging and sequences, A/B testing and reply intelligence. Sold either as self-serve seats or as a managed service where Zeekeo builds and runs the outbound motion.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | GMass | Zeekeo |
|---|---|---|
| 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 | ||
| Email + LinkedIn outreach | ||
| AI-powered messaging & sequences | ||
| Smart campaign automation | ||
| A/B testing & optimization | ||
| Analytics & performance dashboards | ||
| AI-generated responses & insights | ||
| LinkedIn post creation & scheduling | ||
| Image & GIF personalization | ||
| Workflow automation | ||
| Targeted calling & appointment setting |
Native integrations.
GMass
Zeekeo
Let us handle it.
We manage the infrastructure, deliverability, and campaigns. You get results without the tool research.
Information gathered from official sources and may change. Pricing and features last verified 9/1/2026. Please visit the official websites for the most current information.