QuickMail vs Instantly.ai

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

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

QuickMailInstantly.ai
Top 11 rank#9 / The 11 Best Cold Email Software Tools (2026)#1 / The 11 Best Cold Email Software Tools (2026)
Score (out of 9.4)7.89.2
Best forReliable agency workhorseScaling outreach affordably
Pricing$$ ($49 to $69/mo)$ ($37 to $97/mo)
HQZurich, SwitzerlandCheyenne, USA
Founded20142022

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 (2026)

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 (2026)

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