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PolskiMonthly cash receipts and cash balance with monthly and annual plans, churn and refunds.
All monetary amounts use the same currency and exclude VAT. Example values are assumptions, not provider prices. Inputs and calculations stay in the browser.
Calculation model and assumptions
Monthly customers churn at the start of the month; new customers then pay. New annual customers prepay twelve months at a discount; renewal occurs in month 13, 25 and every twelve months thereafter, using the renewal rate. Annual customers stay active until renewal. Refunds reduce receipts only; operating costs and payment fees remain. Cash balance = previous balance + receipts − refunds − fees − operating cost. One-time spending occurs in month one. MRR is active contract value normalized to months; the model is not revenue recognition or accounting. Expected customer counts can be fractional.
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Sources and definitions
FAQ
Are inputs transmitted?
The calculator processes inputs locally in the browser. CSV files are also generated locally. The page does not store scenario inputs on the server.
What are the model limitations?
A negative month-end balance identifies the first funding shortfall within the selected horizon. Daily settlements, taxes, collection procedures and later chargebacks are excluded; positive month-end balances do not rule out a shortfall between payment dates.