Stripe vs Square

Online payment fees are identical on paper — both charge 2.9% + $0.30 per transaction for card-not-present standard payments. The differences emerge in every other scenario. In-person, Square charges 2.6% + $0.10 while Stripe charges 2.7% — a 0.1% difference that adds up at scale. For keyed or manually-entered card payments, Square runs 3.5% + $0.15 versus Stripe's 3.4% + $0.30, making Stripe cheaper for larger keyed transactions and Square cheaper for smaller ones. Invoice payments, ACH, and international cards diverge further. The match depends entirely on your transaction mix.

Square is cheaper for in-person card-present payments at 2.6% + $0.10 versus Stripe's 2.7% + $0.00 (Stripe Terminal, no per-transaction fixed fee). On a $50 in-person sale, Square charges $1.40 and Stripe Terminal charges $1.35 — Stripe wins on that transaction. On a $10 in-person sale, Square charges $0.36 and Stripe charges $0.27 — Stripe wins again. The crossover where Square becomes cheaper exists above a certain average ticket, but in practical terms Stripe Terminal is typically equal or cheaper for most in-person transaction sizes.

Stripe is the standard choice for software businesses, subscription models, marketplaces, and any company that needs API access to build custom payment flows. Stripe's developer tooling is significantly more mature — its API is the reference standard for custom payment integration. Square Online is easier to set up without development resources and integrates naturally with Square's POS hardware if the business also sells in-person. For pure ecommerce with no custom logic, both work. For subscription billing, complex routing, or programmatic payment flows, Stripe is the practical default.

Neither platform charges a monthly fee for standard accounts — both are pay-per-transaction. Stripe's paid features (Radar fraud protection enhanced, Stripe Sigma, Stripe Revenue Recognition) carry separate pricing. Square's POS software is free; Square for Restaurants, Retail, and Appointments carry $29-$60/month subscription fees for their vertical-specific tools. Neither has a base subscription requirement to accept payments.

Stripe is significantly stronger for international businesses. Stripe supports payment processing in 46+ countries with local payment methods (SEPA Direct Debit, iDEAL, Bancontact, Giropay, and many others) and multi-currency settlement. The international card surcharge on Stripe is 1.5% for EU cards and 2.9% for other international cards. Square operates primarily in the United States, Canada, Australia, Japan, UK, and Ireland — businesses selling to customers outside those markets or wanting to accept local payment methods in Europe or Asia will find Stripe far more capable.

Yes, nothing stops a business from using both — and some do. A common pattern is using Stripe for online/API-driven payments and subscription billing while keeping Square for physical retail locations where the POS hardware ecosystem is more mature. The operational overhead of reconciling two payment providers across accounting and reporting is real, but for businesses where the POS and the online storefront have genuinely different needs, maintaining both is a reasonable choice.