Stripe or Polar for a first SaaS?
Compare Stripe and Polar for a first SaaS by seller responsibility, billing, fees, eligibility, and the work your app must do.
Choose Polar if its merchant-of-record service supports your product and you want it to take on the indirect tax work described in its terms. Choose Stripe Payments if you want to run payments under your own business and control more of the selling setup. Stripe also offers Managed Payments, a separate merchant-of-record product, so compare the specific products and eligibility rather than assuming every Stripe integration has the same responsibilities.
The decision is about more than a checkout button. You need to know who sells to the customer, how subscriptions change, what arrives in your bank account, and how your application grants and removes access.
Compare the responsibility first
| Question | Stripe Payments | Polar |
|---|---|---|
| Who is the seller? | With ordinary Payments, your business is the seller. Stripe offers Managed Payments separately for eligible transactions. | Polar describes itself as the merchant of record for sales through its platform. |
| Who handles indirect tax? | Your obligations depend on your setup. Stripe Tax provides tax tools; using a tool does not make ordinary Payments a merchant-of-record arrangement. | Polar says it handles indirect tax compliance for platform sales. Your own income taxes remain your responsibility. |
| What can you sell? | Check Stripe's availability and restrictions for your business and product. | Check Polar's acceptable use and supported products before designing around it. |
| How do fees work? | Processing and optional Billing, Tax, currency conversion and other services can have separate fees. | Polar publishes plan-dependent transaction, international card and payout fees; a subscription surcharge applies to its Early Member plan. |
Read the terms for the specific product, countries, payment methods and contract you will use. Neither choice removes the need to understand your own business and tax obligations.
Calculate your likely cost
As of October 30, 2026, Stripe's pricing page lists different charges for payment methods and optional services. Polar's current pricing lists its free Starter plan at 5% plus 50¢ per transaction for new organizations, with possible international-card and payout charges. Polar lists a different Early Member rate for eligible older organizations; its current Starter plan has no separate subscription fee. Pricing and availability change, and the rates you see can depend on your location and agreement.
Make a small table using your expected monthly price, customer countries, payment methods, refund rate and payout frequency. Include all applicable taxes and service fees, then compare the amount deposited and the work still required. A headline percentage alone cannot answer that question. If the outcome matters to your business, check the current terms and ask your accountant about your circumstances.
Check the complete purchase path
For either provider, write down what should happen when a customer starts a subscription, a payment fails, a subscription ends, or a purchase is refunded. Your server needs a verified provider event and durable access state; a successful redirect is not proof of payment. Test duplicate deliveries and cancellation as well as a successful purchase. The Stripe billing guide explains the application side, while how to add authentication covers identifying the user before granting access.
Also check customer support and operations: who issues invoices, how a customer changes a payment method, what appears on a statement, and who handles disputes. Confirm that your chosen provider can onboard your business before making the integration a launch dependency.
Where CoreMVP fits
CoreMVP's Next.js documentation describes its Stripe and Polar billing paths. Starting with a connected billing foundation can save you from assembling checkout, webhook handling and access checks yourself; you still choose a provider, configure its account and verify your own products and policies. For the broader foundation decision, see free vs paid SaaS starters and how to choose a Next.js SaaS starter.