SMTP2GO vs. Sinch
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | SMTP2GO | Sinch |
|---|---|---|
| Avg. rating | 4.7 | 4.4 |
| Total reviews | 226 | 1,300 |
| Review growth (QoQ) | — | -14.3% |
| Products on G2 | 1 | 7 |
| Categories covered | 1 | 19 |
| Best category rank | #24 in Transactional Email | #1 in Communication Platform as a Service (CPaaS) |
| Small Business | 63.4% | 72.6% |
| Mid-Market | 29.9% | 21.8% |
| Enterprise | 6.7% | 5.6% |