Square vs Adyen: Payment Processors Comparison (2026)
An independent side-by-side comparison of Square and Adyen for payment processors buyers — pricing, features, integrations, and how often each is cited by major AI engines.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask payment processors questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓POS app for any payment
- ✓Build an online ordering profile
- ✓Track inventory and sales
- ✓Send estimates, contracts, and invoices
- ✓Schedule appointments
- ✓Access funds instantly
- ✓Create custom rewards program
- ✓Send unlimited email marketing campaigns
- ✓No setup fee or monthly fees
- ✓One integration for all payment methods
- ✓Flexible payouts in multiple currencies
- ✓Transparency in pricing with Interchange++
When to choose Square
Choose Square if your team prioritizes its strengths over Adyen's. Full guidance populates as Square's feature data is indexed.
When to choose Adyen
Choose Adyen if your team prioritizes its strengths over Square's. Full guidance populates as Adyen's feature data is indexed.
AI visibility profiles
Is one of these your brand?
Get the full report by email: every payment processors buyer question we ask, which engines name you, and who gets named instead.
squareup.com
adyen.com