PaymentKit vs. Certinia
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | PaymentKit | Certinia |
|---|---|---|
| Avg. rating | 5.0 | 4.1 |
| Total reviews | 27 | 1,150 |
| Review growth (QoQ) | -77.3% | -83.3% |
| Products on G2 | 1 | 3 |
| Categories covered | 1 | 10 |
| Best category rank | #21 in Subscription Billing | #10 in Customer Success |
| Small Business | 29.6% | 17.0% |
| Mid-Market | 63.0% | 56.5% |
| Enterprise | 7.4% | 26.5% |