Illumio vs. Zscaler
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Illumio | Zscaler |
|---|---|---|
| Avg. rating | 4.5 | 4.5 |
| Total reviews | 63 | 814 |
| Review growth (QoQ) | +300.0% | +508.8% |
| Products on G2 | 1 | 7 |
| Categories covered | 6 | 21 |
| Best category rank | #1 in Microsegmentation | #1 in Business VPN |
| Small Business | 11.5% | 14.7% |
| Mid-Market | 31.1% | 30.4% |
| Enterprise | 57.4% | 54.9% |