Free · No signup

Free tools to track and grow your revenue

Six engineering-grade calculators and generators for marketing and CRO. Track campaigns, validate A/B tests, find funnel leaks, and check unit economics. All free, all in your browser.

Free plan · No credit card · Nothing to save, nothing to install
Beyond the tools

Turn these answers into more sales

The free tools tell you what’s happening. Zyro tests your store, shows the right offer at the right moment, and tells you which ads actually bring sales — in plain English, in dollars.