MRR calculator: what you keep
Your MRR is not what reaches your bank. Enter your MRR, plan price, churn and growth, and see what each payment provider leaves you this month and over the next 12, after its fees, surcharges and payout costs.
What your MRR leaves you
| Provider | Fees this month | You keep this month | You keep over 12 months |
|---|
Fees and assumptions
Fees used, from each provider’s own price page (checked 6 to 15 October 2026): AgentaOS Pay as you go 4.5% + €0.50, +1.5% for cards from outside the EEA; AgentaOS Pro €49 a month, 4.0% + €0.40 flat with no international surcharge; both with a 1% payout fee (min €1); Paddle 5% + $0.50; Lemon Squeezy 5% + $0.50, +1.5% international, +0.5% subscriptions, 1% payout outside the US; Creem 3.9% + $0.40, payout $7 or 1%; Dodo Payments 4% + $0.40, +1.5% international, +0.5% subscriptions, $5 payout under $1,000; Polar 5% + $0.50, +1.5% international, plus Stripe payout fees passed through ($2 a month + 0.25% + $0.25 per payout); Stripe 2.9% + $0.30, +1.5% international, +0.7% Billing, and it is not a merchant of record, so tax filing is on you. Details: all fees side by side.
Not included: euro and dollar amounts are treated as equal for simplicity; currency conversion, refunds, chargebacks and VAT (merchants of record add VAT on top of your price). Treat the result as an estimate.
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Related questions
How do I calculate MRR?
Add up the monthly value of all active subscriptions: monthly plans at their price, yearly plans divided by 12. One-time sales do not count.
How much of my MRR do I actually keep?
After payment fees, usually 90 to 96% with a merchant of record, depending on the provider, your share of international buyers and payout fees. Use the calculator for your numbers.
When does MRR stop growing?
It varies a lot by price, market and product, so track your own every month. At a steady state, MRR stops growing when new MRR each month equals MRR lost to churn.
Which provider leaves me the most?
It depends on your price, volume and buyer mix: fixed fees hurt cheap plans, payout minimums hurt small volumes and international surcharges hurt global sales. The table ranks them for your inputs.
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