Calculator / Sell & retain
The second month matters, too.
Follow an opening group of subscribers over time. See how acquisition and churn interact before treating recurring revenue as a settled result.
02 / Follow the result
Your modeled scenario
- Opening paid members
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- Members after final month
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- Revenue over modeled period
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- Fees over modeled period
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- Operating costs over period
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- Period contribution
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For the assumptions entered. This is a scenario, not a forecast.
One question, two scenarios
What changed?
How to read this result
Opening members = floor(audience × initial conversion). Each month starts by billing existing members. Churned members = rounded(starting members × churn rate). New members join after billing and are first billed the following month.
Monthly contribution = billed revenue − revenue-based fees − entered monthly costs. This model has one monthly price, a fixed monthly acquisition count and no annual plans, failed payments, refunds or reacquisition.
The eligible audience is used only for initial conversion. Later new-member inputs are independent assumptions; they are not capped by or deducted from that audience.
Inputs run locally in this browser tab. They are not sent or saved automatically. Download your work before leaving if you want to keep it.
The research behind the workings