G2 Vendor Directory

Square Payments vs. NMI Gateway

A side-by-side comparison based on G2 review data.

MetricSquare Payments

by Block

NMI Gateway

by NMI

Overall rating4.54.6
Review count176108
Ease of use9.69.5
Ease of setup9.29.4
Quality of support8.89.3
Meets requirements9.49.5
NPS72.0238181.308411
Small Business87.3%87.9%
Mid-Market11.6%11.2%
Enterprise1.2%0.9%
Total page views704492
Total LLM citations8,3844,101

Square Payments

Square Payments is a comprehensive payment processing solution designed to empower businesses of all sizes to accept payments seamlessly, whether online, in-store, or on the go. Launched in 2009 by Block, Inc., Square has become a leader in point-of-sale systems, serving millions of merchants worldwide. Key Features and Functionality: - Versatile Payment Acceptance: Square enables businesses to accept a wide range of payment methods, including credit and debit cards, digital wallets like Apple Pay and Google Pay, and even Bitcoin.

Pros

  • Ease of Use
  • Easy Payments
  • Payment Ease
  • Simple
  • Payment Processing
  • Convenience

NMI Gateway

NMI Gateway is a white-label, omnichannel payment platform built for software providers, ISOs, and financial institutions that want to deliver secure, scalable, and customizable payment acceptance to their merchants and clients. NMI Gateway supports multi-channel commerce—including online, in-store, mobile, and unattended environments—while integrating with a broad ecosystem of processors, shopping carts, and business platforms. NMI does not sell directly to merchants. Instead, it powers over 4,000 partners who serve more than 1 million merchants worldwide.

Pros

  • Ease of Use
  • Customer Support
  • Security
  • User Interface
  • Features
  • Setup Ease