Adyen vs Square (March 2026)
| AdAdyen | SqSquare | |
|---|---|---|
| Price | Free/mo | Free |
| Rating | 4.2/5 | 4.6/5 |
| Free Tier | ✗ No | ✓ Yes |
| Best For | Global e-commerce enterprises needing multi-currency and local payment support, Platforms and marketplaces handling payouts and payment splits | Small businesses and retail needing quick payments without contracts, Mobile vendors and food trucks using Tap to Pay on phones |
Square takes the lead with a 4.6/5 rating compared to Adyen's 4.2/5, though both are solid choices depending on your priorities.
Quick Overview
Adyen
Adyen is a fintech platform providing end-to-end payments, data insights, and financial products in a single solution fo...
- Best for: Global e-commerce enterprises needing multi-currency and local payment support, Platforms and marketplaces handling payouts and payment splits
- Starting price: Free/mo
- Category: Payment Processing
- Founded: 2006
- Pricing model: usage-based
Square
Square provides an all-in-one payments platform for accepting cards, ACH, and BNPL anywhere—online, in-store, or remotel...
- Best for: Small businesses and retail needing quick payments without contracts, Mobile vendors and food trucks using Tap to Pay on phones
- Starting price: Free
- Category: Payment Processing
- Founded: 2009
- Pricing model: usage-based
Feature Comparison
| Feature | Adyen | Square |
|---|---|---|
| End-to-end payment processing | ✓ | ✗ |
| 200+ local payment methods | ✓ | ✗ |
| 150+ currencies support | ✓ | ✗ |
| Single API integration | ✓ | ✗ |
| Fraud protection | ✓ | ✓ |
| PCI DSS Level 1 compliance | ✓ | ✗ |
| 99.999% platform uptime | ✓ | ✗ |
| Data insights and optimization | ✓ | ✗ |
| Card issuing | ✓ | ✗ |
| Terminal API for POS | ✓ | ✗ |
| Buy now, pay later | ✓ | ✓ |
| Tokenized credentials | ✓ | ✗ |
| Platform payouts | ✓ | ✗ |
| In-person payments | ✗ | ✓ |
| Online payments | ✗ | ✓ |
| Remote payments | ✗ | ✓ |
| Offline mode | ✗ | ✓ |
| Instant fund access | ✗ | ✓ |
| Payment links and QR codes | ✗ | ✓ |
| Real-time reporting | ✗ | ✓ |
| APIs and SDKs | ✗ | ✓ |
| Unified inventory sync | ✗ | ✓ |
| PCI compliance | ✗ | ✓ |
Pricing Comparison
Prices last verified: March 16, 2026
Adyen
Square
Pros & Cons
Adyen
- Single platform consolidates gateway, processor, and acquirer for simplified operations
- Global reach with 29 offices and banking licenses processing €1.4T annually
- High reliability at 99.999% uptime with built-in cost and fraud optimizations
- Supports diverse channels with one API for easy integration
- No public pricing or self-serve signup; requires sales contact
- Geared toward enterprises, potentially complex for small businesses
- Legal checks for prohibited products delay onboarding
- Customized contracts and PCI attestation add setup time
Square
- No monthly fees or contracts with simple pay-per-use pricing
- Versatile payment acceptance anywhere - in-person, online, mobile, offline
- Instant fund access and free banking tools with Square Checking
- Easy setup with no coding required, works with phone alone
- Higher rates for keyed-in transactions (3.5%) and Afterpay (6%)
- Instant transfers incur fees with payout limits for new sellers
- Dependent on linked bank account for advanced banking features
- Offline storage limited to 24 hours only
Which Is Best for You?
Choose Adyen if:
- Global e-commerce enterprises needing multi-currency and local payment support
- Platforms and marketplaces handling payouts and payment splits
- Omnichannel retail with online, POS, and in-store payments
- High-volume fintechs issuing cards or embedding finance products
Choose Square if:
- Small businesses and retail needing quick payments without contracts
- Mobile vendors and food trucks using Tap to Pay on phones
- Service professionals sending invoices and payment links
- eCommerce starters integrating with existing websites
- You want to start with a free plan
- Higher user rating matters to you (4.6 vs 4.2)
Our Verdict
After thorough analysis, Square takes the lead in this comparison with a higher rating of 4.6/5 versus Adyen's 4.2/5.
Square is best for Small businesses and retail needing quick payments without contracts and Mobile vendors and food trucks using Tap to Pay on phones. No monthly fees or contracts with simple pay-per-use pricing.
Adyen remains a strong alternative, especially for Global e-commerce enterprises needing multi-currency and local payment support and Platforms and marketplaces handling payouts and payment splits. Single platform consolidates gateway, processor, and acquirer for simplified operations.
Pricing-wise, Adyen is the more affordable starting option. Evaluate free trials of both before committing.