Square vs Checkout.com
Side-by-side from the Top 11 ranking of Stripe vs Adyen vs PayPal: 11 Best Payment Gateways 2026. Last verified June 9, 2026.
The short answer
Square ranks higher on Top 11 (#4 vs #5) for Businesses accepting online payments. The top choice for businesses needing a single, simple solution for both online and in-person sales.
At a glance
| Square | Checkout.com | |
|---|---|---|
| Top 11 rank | #4 / Stripe vs Adyen vs PayPal: 11 Best Payment Gateways 2026 | #5 / Stripe vs Adyen vs PayPal: 11 Best Payment Gateways 2026 |
| Score (out of 9.4) | 8.6 | 8.4 |
| Best for | Integrated online and offline payments | Modular global payment processing |
| Pricing | $$ (Pay-as-you-go) | $$$ (Custom) |
| HQ | San Francisco, USA | London, UK |
| Founded | 2009 | 2012 |
Square
The top choice for businesses needing a single, simple solution for both online and in-person sales.
squareup.comSee full entry in Stripe vs Adyen vs PayPal: 11 Best Payment Gateways 2026
Checkout.com
A flexible, developer-focused platform for international businesses seeking granular payment control.
www.checkout.comSee full entry in Stripe vs Adyen vs PayPal: 11 Best Payment Gateways 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.