Subscription Break-Even Calculator
See exactly which month your subscription business turns a profit - churn included, not ignored.
Most break-even calculators do one division: cost divided by profit per subscriber. That answer assumes every subscriber stays forever, which is never true, so the month it promises never actually arrives.
This one adds churn. New subscribers arrive every month and a share of existing ones cancel, so the paying base climbs toward a ceiling instead of growing in a straight line. The calculator simulates that month by month and tells you exactly when cumulative profit crosses zero - or whether it ever does at your current churn rate.
Everything runs in your browser. Nothing is uploaded, nothing is stored, and there is no email box anywhere on this page.
What this deliberately does not include
- Free trials that never convert, refunds, and chargebacks - it treats every subscriber as paying from month one.
- Marketing and user-acquisition spend beyond what it takes to land the subscribers you enter.
- Taxes, and any payment processing costs outside the platform commission above.
- Price increases, seasonal swings, or churn that changes as the product matures.
Treat the break-even month as an upper bound on how fast it can happen, not a guarantee.
Watch: how to use this tool
How to use it
- Enter your upfront cost - what it took to build and launch, one time.
- Enter your monthly running costs - hosting, tools, support, anything recurring.
- Set your subscription price and the cut a platform or app store takes, if any.
- Enter new paying subscribers added per month, and your monthly churn rate.
- Read the break-even month, the deepest cash hole along the way, and your subscriber ceiling.
Questions
Why does this give a different answer than cost divided by profit per subscriber?
What if it says I never break even?
What is the 'deepest cash hole' number for?
What commission should I pick?
Does this account for free trials or refunds?
Is anything sent to a server?
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