| Price from | $0.20/mo | $5/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 1 | 12 |
| Spec score · Uptime Monitoring Software | 7.4 (#38) | 8.8 (#5) |
| Spec score · Uptime monitoring services | 6.9 (#45) | 8.7 (#9) |
| Alert channels | email,phone,SMS,XMPP chat,webhooks,Pushover,PagerDuty | email,SMS,webhook |
| Check interval | 1 minute | 1 minute |
| Founded | 2000 | 2005 |
| Free plan | No | Yes |
| Headquarters | Stillwater, Oklahoma, 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. |
| Server monitoring | Yes | Yes |
| Paid from | 9.95 | 5 |
