| Price from | $0.60/mo | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| macOS | — | Yes |
| iOS | — | Yes |
| API | Yes | — |
| Plans published | 6 | 4 |
| Spec score · Proxy Software | 8.8 (#3) | 7.2 (#29) |
| Headquarters | The company-information section lists headquarters in Tallinn, Estonia. | Newark, Delaware, United States |
| Integrations | KnoxProxy lists more than 81 copy-paste integration guides across nine categories. | The Tailscale policy joins a tailnet and can route selected Surge traffic through it; it supports TCP and UDP relay. |
| Product | KnoxProxy provides residential, mobile, ISP, and datacenter proxy networks for developers and data teams collecting public data at scale. | Surge is a network tool that captures traffic, resolves names, selects outbound policies, and can inspect or modify HTTP traffic. |
| Support | Support is advertised as 24/7 with a four-minute median first reply. | The purchase page says the products are designed for professional users and do not include technical support; customer service handles billing issues. |
