Proton AG vs. Microsoft
Side-by-side across both vendors’ full G2 portfolios — reviews, ratings and category coverage aggregated to the company, not a single product.
| Metric | Proton AG | Microsoft |
|---|---|---|
| Avg. rating | 4.6 | 4.4 |
| Total reviews | 820 | 103,081 |
| Review growth (QoQ) | -78.3% | -71.5% |
| Products on G2 | 4 | 294 |
| Categories covered | 15 | 326 |
| Best category rank | #1 in Email Encryption | #1 in Business Instant Messaging |
| Small Business | 70.0% | 28.7% |
| Mid-Market | 21.8% | 34.3% |
| Enterprise | 8.2% | 37.1% |