Free tools · no signup
Churn math and cancel-flow copy
Three free tools for SaaS founders. Every calculation runs in your browser — no account, no database, no email gate.
- Calculator
Churn calculator
Enter MRR, monthly churn rate, and ARPU. See revenue lost over 12 months and three years, plus a live ticker counting dollars lost since you opened the page.
Open tool → - Copy bank
Cancellation survey questions
45 ready-to-use survey questions and save-offer scripts grouped by cancellation reason — price, features, competitors, usage, onboarding, and more.
Open tool → - Calculator
Save-offer calculator
Model a retention discount before you ship it. Get revenue if they churn vs accept, net gain, breakeven acceptance rate, and a plain-English verdict.
Open tool →
Built by the team behind RetainFast
RetainFast is a drop-in cancellation flow for SaaS — one script tag, reason-based offers, and analytics. These tools are free. The widget is $25 for three months.