| Price from | — | $5/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Plans published | 5 | 12 |
| Spec score · Uptime Monitoring Software | 8.3 (#13) | 8.8 (#5) |
| Spec score · Website Monitoring Software | 8.3 (#16) | 8.8 (#6) |
| Spec score · Uptime monitoring services | 7.5 (#33) | 8.7 (#9) |
| Alert channels | email,SMS,phone | email,SMS,webhook |
| Free plan | No | Yes |
| Headquarters | Allentown, Pennsylvania, United States | Austin, Texas, United States |
| Keyword monitoring | Yes | The API description says monitors can alert when a keyword appears or disappears on a page. |
| Monitor limit | 25 | 15 |
| Server monitoring | Yes | Yes |
