Checkout.com vs Square: Payment Processors Comparison (2026)

Checkout.com and Square both offer payment processing solutions with a free tier. Checkout.com focuses on global payment processing with tailored pricing and no setup fees, while Square provides a comprehensive set of tools for small businesses including POS, online ordering, and appointment scheduling, with a clear starting price of $0/month.

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.

Too early to call — probes still building data.
ChatGPT
Checkout.com
Tracking…
No data yet
Square
Tracking…
No data yet
Perplexity
Checkout.com
0 / 1 probes
0%
Invisible
SquareLeads
1 / 1 probes
100%
Excellent
Gemini
Checkout.com
Tracking…
No data yet
Square
Tracking…
No data yet
Claude
Checkout.com
Tracking…
No data yet
Square
Tracking…
No data yet
Copilot
Checkout.com
Tracking…
No data yet
Square
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Checkout.com
Starting price
—
Free tier
Yes
checkout.com ↗
Square
Starting price
$0/mo.
Free tier
Yes
squareup.com ↗

Key Features

Checkout.com
  • ✓Transparent card fees
  • ✓Free payment for charities
  • ✓Global payment processing
  • ✓Unified Payments API
Square
  • ✓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

When to choose Checkout.com

You need global payment processing with transparent card fees and tailored pricing, especially if you are a charity looking for free payment processing. Checkout.com also offers data migration assistance and handles payments in 150+ currencies.

When to choose Square

You are a small business needing a POS app, online ordering profile, inventory and sales tracking, invoicing, appointment scheduling, and instant access to funds. Square also provides tools for custom rewards programs and email marketing campaigns, and integrates with platforms like Instagram and Google Calendar.

Frequently Asked Questions

What are the key features of Checkout.com?
Checkout.com offers transparent card fees, free payment processing for charities, global payment processing, and a unified Payments API.
What are the key features of Square?
Square provides a POS app for any payment, the ability to build an online ordering profile, inventory and sales tracking, estimates, contracts, invoices, appointment scheduling, instant access to funds, custom rewards programs, and unlimited email marketing campaigns.
Does Checkout.com have a free tier?
Yes, Checkout.com has a free tier.
Does Square have a free tier?
Yes, Square has a free tier.
What is the starting price for Checkout.com?
Checkout.com does not have a stated starting price; pricing is tailored and requires contact for details.

AI visibility profiles

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Checkout.com

checkout.com

Square

squareup.com

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