Authorize.net vs Square: Payment Processors Comparison (2026)
Authorize.net is suitable for businesses prioritizing low transaction rates and an all-in-one payment gateway with support for credit cards and ACH, especially if they value quick application processes and centralized reporting. Square is suitable for businesses looking for a free-tier point-of-sale (POS) system with features like online ordering, inventory tracking, appointment scheduling, and marketing, particularly if they are small businesses and can benefit from its integrations.
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.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓Low transaction rates
- ✓All-in-one payment gateway
- ✓Support for credit cards and ACH
- ✓No early termination fees
- ✓Quick application process
- ✓Secure transactions
- ✓Centralized reporting
- ✓Supports mobile payments
- ✓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 Authorize.net
Authorize.net is suitable when a business requires low transaction rates, an all-in-one payment gateway, and support for credit cards and ACH. It is also a good fit for businesses that prioritize quick application processes, secure transactions, centralized reporting, and mobile payment support. Other benefits include flexible payment options, no early termination fees, no hidden fees, and fast funding.
When to choose Square
Square is suitable when a business requires a free-tier POS app for various payments and wants to build an online ordering profile. It is advantageous for businesses that need to track inventory and sales, send estimates, contracts, and invoices, schedule appointments, access funds instantly, create custom rewards programs, and send unlimited email marketing campaigns. Square also offers integrations with platforms like Instagram, Facebook, Google Calendar, and OpenTable. It is especially beneficial for small businesses due to its user-friendly interface and multiple payment options.