Vial vs. Castor EDC
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Vial | Castor EDC |
|---|---|---|
| Avg. rating | 4.5 | 4.6 |
| Total reviews | 22 | 126 |
| Review growth (QoQ) | — | — |
| Products on G2 | 1 | 1 |
| Categories covered | 2 | 1 |
| Best category rank | #7 in Clinical Trial Management Systems | #9 in Electronic Data Capture (EDC) |
| Small Business | 59.1% | 48.4% |
| Mid-Market | 22.7% | 15.9% |
| Enterprise | 18.2% | 35.7% |