Tools

Free tools, built on real numbers

Calculators for the parts of outbound that are pure math. Every limit inside them is one we send on every day.

Cold Email Infrastructure Calculator

Enter your daily cold email volume and get the exact domains, inboxes, and orders to buy across Google and Microsoft.

We compared 10M+ cold emails to $50K+ in Meta ads spend. See your real cost per booked call on each channel before you commit budget.