At a glance

PayPal Adyen
Best for Businesses wanting universal payment acceptance Enterprise and large businesses that process high volumes internationally
Starting price 2.9% + $0.30 Custom pricing
Free tier
Open source
Free tier available
Open source
Checkout
Fraud prevention
Global
Global payments
In-store payments
Invoicing
Payment processing
Payments
Unified commerce

PayPal

Strengths

  • Includes Payments as a core feature, purpose-built for payment processing workflows
  • Includes Invoicing as a core feature, purpose-built for payment processing workflows
  • No monthly fees — generous enough for most small teams to get real work done
  • Established product with 28+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Ecosystem of third-party integrations is smaller than the market leaders in payment processing
  • Mobile experience lags behind the desktop version in features and polish

Adyen

Strengths

  • Single platform for online, in-app, and in-store payments
  • Supports 250+ payment methods across 200+ countries
  • Enterprise-grade fraud prevention with machine learning
  • Direct acquiring in major markets eliminates third-party processors

Weaknesses

  • Not suitable for small businesses — enterprise focus
  • Complex setup requiring significant developer resources
  • Non-transparent pricing — must contact sales
  • Minimum processing volumes may apply

The bottom line

Pricing: Both PayPal and Adyen are free. You can try both without spending a dollar.

Feature gaps: PayPal offers Checkout, Global and Invoicing that Adyen lacks. Adyen brings Fraud prevention, Global payments and In-store payments that PayPal does not have.

Where each tool shines: PayPal's biggest strengths are: includes payments as a core feature, purpose-built for payment processing workflows. includes invoicing as a core feature, purpose-built for payment processing workflows. Adyen's biggest strengths are: single platform for online, in-app, and in-store payments. supports 250+ payment methods across 200+ countries.

Watch out for: With PayPal, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Adyen, the main complaint is that not suitable for small businesses — enterprise focus.

Choose PayPal if...

  • Your profile matches its sweet spot: businesses wanting universal payment acceptance
  • You specifically need Checkout and Global
  • You care about includes invoicing as a core feature, purpose-built for payment processing workflows
  • The free tier works for you: no monthly fees

Choose Adyen if...

  • You need a tool built for enterprise and large businesses that process high volumes internationally
  • You specifically need Fraud prevention and Global payments
  • You care about supports 250+ payment methods across 200+ countries

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