Instantly.ai vs QuickMail

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

The short answer

Instantly.ai ranks higher on Top 11 (#1 vs #9) 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.aiQuickMail
Top 11 rank#1 / The 11 Best Cold Email Software Tools#9 / The 11 Best Cold Email Software Tools
Score (out of 9.4)9.27.8
Best forScaling outreach affordablyReliable agency workhorse
Pricing$ ($37 to $97/mo)$$ ($49 to $69/mo)
HQCheyenne, USAZurich, Switzerland
Founded20222014

Instantly.ai

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

instantly.ai

See full entry in The 11 Best Cold Email Software Tools

QuickMail

A reliable, long-standing tool with excellent deliverability features for experienced agency users.

quickmail.io

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.