GMass vs. Instantly
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | GMass | Instantly |
|---|---|---|
| Avg. rating | 4.7 | 4.8 |
| Total reviews | 1,335 | 4,161 |
| Review growth (QoQ) | -12.5% | -55.8% |
| Products on G2 | 1 | 1 |
| Categories covered | 2 | 11 |
| Best category rank | #11 in Email Marketing | #2 in Email Deliverability |
| Small Business | 86.2% | 94.8% |
| Mid-Market | 11.2% | 5.0% |
| Enterprise | 2.5% | 0.2% |