Square vs Checkout.com: Payment Processors Comparison (2026)
An independent side-by-side comparison of Square and Checkout.com 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.
Square leads overall — 73% cited vs Checkout.com 17% across 60 probes.
ChatGPT
SquareLeads
6 / 6 probes
100%
ExcellentCheckout.com
2 / 6 probes
33%
GoodPerplexity
SquareLeads
4 / 6 probes
67%
ExcellentCheckout.com
1 / 6 probes
17%
AverageGemini
SquareLeads
3 / 6 probes
50%
ExcellentCheckout.com
0 / 6 probes
0%
InvisibleClaude
SquareLeads
6 / 6 probes
100%
ExcellentCheckout.com
2 / 6 probes
33%
GoodCopilot
SquareLeads
3 / 6 probes
50%
ExcellentCheckout.com
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
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
Checkout.com
- ✓Transparent card fees
- ✓Free payment for charities
- ✓Global payment processing
- ✓Unified Payments API
When to choose Square
Choose Square if your team prioritizes its strengths over Checkout.com's. Full guidance populates as Square's feature data is indexed.
When to choose Checkout.com
Choose Checkout.com if your team prioritizes its strengths over Square's. Full guidance populates as Checkout.com's feature data is indexed.