Mailshake vs GMass
Side-by-side from the Top 11 ranking of The 11 Best Cold Email Software Tools (2026). 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
| Mailshake | GMass | |
|---|---|---|
| Top 11 rank | #5 / The 11 Best Cold Email Software Tools (2026) | #10 / The 11 Best Cold Email Software Tools (2026) |
| Score (out of 9.4) | 8.5 | 7.6 |
| Best for | Simplicity and ease of use | Gmail-native workflow |
| Pricing | $$ ($59 to $99/mo) | $ ($20 to $50/mo) |
| HQ | Austin, USA | Mumbai, India |
| Founded | 2015 | 2015 |
Mailshake
The most intuitive and easy-to-use platform for launching campaigns quickly.
mailshake.comSee full entry in The 11 Best Cold Email Software Tools (2026)
GMass
Best for managing campaigns directly inside the Gmail interface.
www.gmass.coSee full entry in The 11 Best Cold Email Software Tools (2026)
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.