Stripe and Square are the two biggest names in payment processing. Both were founded in the late 2000s, both became public companies with multi-billion-dollar market caps. But they have fundamentally different philosophies: Stripe is for developers and online business, Square is for retail and offline.

Philosophy and Positioning

Stripe is a platform for the internet economy. Created by developers for developers: clean API, excellent documentation, full programmability. If your business is a website or an app, Stripe gives you maximum flexibility in how the payment process looks and works.

Square is an American fintech company that grew from a tiny card reader for iPhone into an ecosystem of hardware, software, and banking services. Today, Square serves millions of small businesses from coffee shops to online stores, offering everything from terminals to lending and checking accounts.

The Square Ecosystem

Square is not just a payment gateway. It’s a full operating system for business:

Offline payments: proprietary POS terminals (Square Reader, Square Terminal, Square Register) accept cards, Apple Pay, Google Pay. Fixed-rate commission with no hidden fees.