TemperStack
Ad
Adyen4.2/5
vs
Sq
Square4.6/5

Adyen vs Square (March 2026)

AdAdyenSqSquare
PriceFree/moFree
Rating4.2 4.2/54.6 4.6/5
Free Tier✗ No✓ Yes
Best ForGlobal e-commerce enterprises needing multi-currency and local payment support, Platforms and marketplaces handling payouts and payment splitsSmall businesses and retail needing quick payments without contracts, Mobile vendors and food trucks using Tap to Pay on phones
Quick Verdict

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

Ad

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
View Full Profile →
Sq

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
View Full Profile →

Feature Comparison

FeatureAdyenSquare
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

Free/mo
Starting price
usage-based · 3 plans
Starter
Free
ProfessionalPopular
$199/mo
Enterprise
$999/mo
View full Adyen pricing →

Square

Free
Starting price
usage-based · 4 plans
In-Person PaymentsPopular
$2.60/yr
Online Payments
$2.90/yr
Keyed-In Payments
$3.50/yr
ACH Bank Transfers
$1/yr
View full Square pricing →

Pros & Cons

Adyen

Pros
  • 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
Cons
  • 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

Pros
  • 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
Cons
  • 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?

Ad

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
Sq

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

🏆
SqSquare — WinnerAdAdyen — Runner-up

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.

Try AdyenTry Square

Explore More

Frequently Asked Questions

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.
Adyen starts at Free/mo, while Square starts at Free/yr (free tier available).
Yes. Most users can migrate data between the two. Check both platforms for import/export tools before switching.
Adyen integrates with Uber, Starbucks, Fresha, Groupon. Square integrates with WooCommerce, Square POS, Square Marketing, Square Loyalty. Both offer solid third-party connectivity, though the best choice depends on your existing tech stack.
Both tools are designed for ease of use. Adyen is best for Global e-commerce enterprises needing multi-currency and local payment support and Platforms and marketplaces handling payouts and payment splits, while Square excels for Small businesses and retail needing quick payments without contracts and Mobile vendors and food trucks using Tap to Pay on phones. Consider trying both free trials to judge which interface suits your workflow.
Adyen has a 4.2/5 rating from 150 reviews, while Square scores 4.6/5 from 2,500 reviews. Higher review counts generally indicate a more established support ecosystem.
For small businesses, Adyen may be more budget-friendly starting at Free/mo. However, Square (Free) could offer better value depending on the features you need most.
For enterprise use, consider which offers more advanced plans. Adyen has 3 plans while Square has 4 plans. Evaluate each tool's enterprise features, security compliance, and team management capabilities before committing.
Check each tool's website for the latest mobile app availability. Both Adyen and Square offer web-based access, and many modern SaaS tools provide companion mobile apps for iOS and Android.
Choose Adyen if you prioritize single platform consolidates gateway, processor, and acquirer for simplified operations. Choose Square if you value no monthly fees or contracts with simple pay-per-use pricing and want a free tier.

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Written by

E
Emma Wilson
SMB Software Specialist

Emma specializes in software solutions for small and medium businesses. With experience running her own consulting firm, she understands the unique needs of growing companies and evaluates tools from a practical ROI perspective.

AccountingEcommerceWebsite Builders83 articles