Instantly.ai vs Mailshake

Side-by-side from the Top 11 ranking of Instantly.ai vs Smartlead.ai vs Lemlist: 11 Best Cold Email Software Tools 2026. Last verified June 21, 2026.

The short answer

Instantly.ai ranks higher on Top 11 (#1 vs #5) for SDRs and founders running outbound cold email campaigns. Best for scaling outreach with unlimited mailboxes and warm-up at a flat, predictable price.

At a glance

Instantly.aiMailshake
Top 11 rank#1 / Instantly.ai vs Smartlead.ai vs Lemlist: 11 Best Cold Email Software Tools 2026#5 / Instantly.ai vs Smartlead.ai vs Lemlist: 11 Best Cold Email Software Tools 2026
Score (out of 9.4)9.28.5
Best forScaling outreach affordablySimplicity and ease of use
Pricing$ ($37 to $97/mo)$$ ($59 to $99/mo)
HQCheyenne, USAAustin, USA
Founded20222015

Instantly.ai

Best for scaling outreach with unlimited mailboxes and warm-up at a flat, predictable price.

instantly.ai

See full entry in Instantly.ai vs Smartlead.ai vs Lemlist: 11 Best Cold Email Software Tools 2026

Mailshake

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

mailshake.com

See full entry in Instantly.ai vs Smartlead.ai vs Lemlist: 11 Best Cold Email Software Tools 2026

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