Certain vs. Guidebook
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Certain | Guidebook |
|---|---|---|
| Avg. rating | 4.3 | 4.4 |
| Total reviews | 130 | 370 |
| Review growth (QoQ) | -81.8% | — |
| Products on G2 | 1 | 1 |
| Categories covered | 5 | 4 |
| Best category rank | #28 in Event Marketing | #7 in Mobile Event Apps |
| Small Business | 38.0% | 47.0% |
| Mid-Market | 26.4% | 33.1% |
| Enterprise | 35.7% | 19.9% |