Zinc Work vs. Certn
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Zinc Work | Certn |
|---|---|---|
| Avg. rating | 4.7 | 4.7 |
| Total reviews | 188 | 206 |
| Review growth (QoQ) | -41.7% | -100.0% |
| Products on G2 | 1 | 1 |
| Categories covered | 2 | 2 |
| Best category rank | #4 in Reference Check | #11 in Reference Check |
| Small Business | 21.9% | 46.8% |
| Mid-Market | 67.4% | 42.8% |
| Enterprise | 10.7% | 10.4% |