HackerRank vs. Mercer | Mettl
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | HackerRank | Mercer | Mettl |
|---|---|---|
| Avg. rating | 4.6 | 4.4 |
| Total reviews | 1,031 | 522 |
| Review growth (QoQ) | -28.6% | — |
| Products on G2 | 2 | 2 |
| Categories covered | 4 | 5 |
| Best category rank | #1 in Technical Skills Screening | #7 in Online Proctoring |
| Small Business | 32.2% | 14.9% |
| Mid-Market | 29.4% | 54.6% |
| Enterprise | 38.4% | 30.5% |