Mailshake vs GMass

Side-by-side from the Top 11 ranking of The 11 Best Cold Email Software Tools. Last verified June 21, 2026.

The short answer

Mailshake ranks higher on Top 11 (#5 vs #10) for SDRs and founders running outbound cold email campaigns. The most intuitive and easy-to-use platform for launching campaigns quickly.

At a glance

MailshakeGMass
Top 11 rank#5 / The 11 Best Cold Email Software Tools#10 / The 11 Best Cold Email Software Tools
Score (out of 9.4)8.57.6
Best forSimplicity and ease of useGmail-native workflow
Pricing$$ ($59 to $99/mo)$ ($20 to $50/mo)
HQAustin, USAMumbai, India
Founded20152015

Mailshake

The most intuitive and easy-to-use platform for launching campaigns quickly.

mailshake.com

See full entry in The 11 Best Cold Email Software Tools

GMass

Best for managing campaigns directly inside the Gmail interface.

www.gmass.co

See full entry in The 11 Best Cold Email Software Tools

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.