PubNub vs. IBM
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | PubNub | IBM |
|---|---|---|
| Avg. rating | 4.4 | 4.3 |
| Total reviews | 25 | 12,195 |
| Review growth (QoQ) | -100.0% | -23.3% |
| Products on G2 | 1 | 129 |
| Categories covered | 4 | 270 |
| Best category rank | #12 in Event Stream Processing | #1 in Application Performance Monitoring (APM) |
| Small Business | 52.0% | 24.2% |
| Mid-Market | 20.0% | 29.2% |
| Enterprise | 28.0% | 46.6% |