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 ↗Tools directory
Payments for fitness businesses
Taking money for packs, memberships and drop-ins inside your own app.
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
PayPal
Online checkout clients already trust.
verdict › Useful as a second option at checkout, rarely as the only one.
Per-transaction fees; no monthly fee.
www.paypal.com/business ↗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 ↗For tool makers
Feature your tool
Put your product in front of gym and studio owners who are actively building their own software. Featured spots are pinned at the top of a category and clearly marked. $49/week · $99/month.
Secure checkout by Stripe. Monthly cancels anytime. Questions? founder@fittechfounder.com
Pricing notes are summaries; check each official site for current plans. Listings are editorial and unpaid unless marked Featured.