CardProcessor Guide
S

Square

Flat-rate · Est. 2009 · San Francisco, CA

All-in-one payment solution with free POS hardware. Ideal for small businesses, retail, and restaurants with straightforward, transparent pricing.

Square Processing Rates

In-Person

2.6% + $0.10

Online

2.9% + $0.30

International

3.3% + $0.30

Currency Conversion

N/A

Monthly Fee: None (free POS plan)
Pricing Model: Flat-rate

Best For

Small businesses, retail, restaurants, service providers

Pros

  • Free POS software and magstripe reader
  • No monthly fees on basic plan
  • Easy setup — start accepting payments in minutes
  • Built-in inventory management
  • Transparent, predictable pricing

Cons

  • Flat-rate pricing is expensive at high volumes
  • Sudden account holds/freezes reported
  • Limited international support

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