ReadNotify vs. Substrata
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | ReadNotify | Substrata |
|---|---|---|
| Avg. rating | 4.3 | 4.9 |
| Total reviews | 10 | 1,132 |
| Review growth (QoQ) | — | -31.9% |
| Products on G2 | 1 | 1 |
| Categories covered | 1 | 6 |
| Best category rank | #89 in Email Tracking | #4 in Revenue Operations & Intelligence (RO&I) |
| Small Business | 40.0% | 44.3% |
| Mid-Market | 40.0% | 39.8% |
| Enterprise | 20.0% | 15.9% |