Free Subscription Churn Revenue calculator with clear step-by-step results.
Simulates the subscriber base month by month, losing a percentage to churn and adding new signups. The steady-state ceiling - new subscribers divided by churn rate - is the figure that matters most: it is the size the business converges to regardless of how long you wait.
Monthly progression
Subscribers = previous x (1 - churn) + new subscribers
Steady-state ceiling
Ceiling = new subscribers per month / monthly churn rate
Because churn scales with the base while acquisition does not. At 4.5% churn and 260 new subscribers a month, the base cannot exceed about 5,800 no matter how long you run.
Below 1% monthly for enterprise contracts, 3-5% for consumer subscriptions and 5-7% for low-price impulse products. Reducing churn raises the ceiling faster than raising acquisition.