VitalSource vs. Epignosis LLC
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | VitalSource | Epignosis LLC |
|---|---|---|
| Avg. rating | 4.5 | 4.6 |
| Total reviews | 21 | 889 |
| Review growth (QoQ) | -100.0% | +18.2% |
| Products on G2 | 1 | 4 |
| Categories covered | 4 | 17 |
| Best category rank | #10 in Course Authoring | #11 in Learning Management System (LMS) |
| Small Business | 14.3% | 49.1% |
| Mid-Market | 9.5% | 39.7% |
| Enterprise | 76.2% | 11.2% |