SparkPost vs. Constant Contact
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | SparkPost | Constant Contact |
|---|---|---|
| Avg. rating | 4.0 | 4.2 |
| Total reviews | 83 | 9,365 |
| Review growth (QoQ) | — | +5.6% |
| Products on G2 | 2 | 4 |
| Categories covered | 3 | 24 |
| Best category rank | #31 in Transactional Email | #1 in Email Marketing |
| Small Business | 45.1% | 72.7% |
| Mid-Market | 29.3% | 21.5% |
| Enterprise | 25.6% | 5.8% |