FitTech Founder

Payments

PayPal

Use it for
Online checkout clients already trust.
Pricing
Per-transaction fees; no monthly fee.
Operator's verdict
Useful as a second option at checkout, rarely as the only one.
Official site
https://www.paypal.com/business ↗

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More payments

Payments

Stripe

Charge for class packs, memberships and drop-ins inside your own app.

verdict › The standard. Every AI builder knows it, so prompts for it work first time more often.

No monthly fee; per-transaction fees.

stripe.com ↗

Payments

Square

Front-desk card reader plus online payments and invoices.

verdict › Best when you also take cards in person at the desk.

Free plan; per-transaction fees.

squareup.com ↗

Payments

Lemon Squeezy

Merchant of record for selling digital programs and memberships online.

verdict › Handles sales tax for you when you sell programs internationally.

Percentage plus fixed fee per sale.

www.lemonsqueezy.com ↗