G2 Vendor Directory

Shift Payment vs. NMI Gateway

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

MetricShift Payment

by Shift4

NMI Gateway

by NMI

Overall rating3.24.6
Review count23108
Ease of use7.09.5
Ease of setup6.89.4
Quality of support6.59.3
Meets requirements6.79.5
NPS13.63636481.308411
Small Business65.2%87.9%
Mid-Market34.8%11.2%
Enterprise0.0%0.9%
Total page views494492
Total LLM citations1,6714,101

Shift Payment

Shift4 (NYSE: FOUR) is boldly redefining commerce by simplifying complex payments ecosystems across the world. As the leader in commerce-enabling technology, Shift4 powers billions of transactions annually for hundreds of thousands of businesses in virtually every industry.

Pros

  • Affordable

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