Free tools

Calculators built for owners who don't want to do the math.

Plug in real numbers from your business. Get a real answer in seconds. Embed any tool free on your own site.

Most used
Missed-call cost calculator
Plug in your call volume + average customer value. We'll show you exactly how much revenue your unanswered phone is leaking — annually.
Open tool →
New
AI receptionist ROI calculator
How much would Pyrexa AI pay you back per month? Compare hours saved + revenue recovered against the $89–$699/mo plan cost.
Open tool →