Calculators
Free subscription churn calculators.
Four focused calculators for the math subscription operators run weekly: churn rate, save-rate impact, LTV lift, and winback revenue. No signup, no tracking, runs in your browser.
Churn rate calculator
Compute monthly gross churn from your subscriber counts without having to guess whether to divide by starting or ending customers.
Inputs: Starting subscribers, Cancellations this month, New signups this month
Save-rate impact calculator
See exactly how much MRR a save flow preserves at different save rates against your cancellation volume.
Inputs: Cancel attempts per month, Average monthly subscription value, Target save rate
LTV lift calculator
Reduce monthly churn by X points and see the new customer lifetime value. LTV is a straight function of churn for subscription businesses.
Inputs: Current monthly churn %, Expected churn reduction (percentage points), ARPU (monthly)
Winback sequence revenue calculator
Estimate the revenue from a 7/21/60-day winback email sequence given your monthly cancel volume.
Inputs: Monthly cancellations, Winback reactivation rate, Reactivated customer LTV