Stax vs. EPX
A side-by-side comparison based on G2 review data.
| Metric | Stax | EPX |
|---|---|---|
| Overall rating | 4.8 | 4.4 |
| Review count | 12 | 21 |
| Ease of use | 10.0 | 8.8 |
| Ease of setup | 10.0 | 9.6 |
| Quality of support | 9.6 | 9.2 |
| Meets requirements | 9.6 | 9.0 |
| NPS | 100 | 66.666667 |
| Small Business | 91.7% | 38.1% |
| Mid-Market | 8.3% | 14.3% |
| Enterprise | 0.0% | 47.6% |
| Total page views | 258 | 103 |
| Total LLM citations | 1,956 | 200 |
Stax
Stax is an all-in-one payment technology platform built for businesses that have outgrown flat-rate processors. With subscription-based pricing and 0% markup on direct-cost interchange, Stax saves businesses up to 40% on payment processing fees — no hidden costs, no percentage markups. The platform includes Stax Pay for in-person, online, and mobile payment acceptance; Stax Bill for automated recurring billing and invoicing; CardX for compliant credit card surcharging; and Stax Connect, an embedded payments solution that enables SaaS companies and ISVs to integrate full-stack payment
EPX
Founded in 1979, Electronic Payment Exchange (EPX) is a full-service credit card, debit card, stored value, and electronic check (ACH) payment transaction processor with over $18 billion in annual processing volume. Leveraging its unmatched expertise in processing security allows EPX to offer merchants the most secure and cost-effective payment processing services.