Best OnlineOrNot Alternatives in 2026
Updated
20 apps from synthetic monitoring ranked against OnlineOrNot on the same published basis.
- 1OnlineOrNot vs Dotcom-Monitor
- 2OnlineOrNot vs Dynatrace Kubernetes Monitoring
- 3OnlineOrNot vs Grafana Cloud Application Observability
- 4OnlineOrNot vs New Relic Kubernetes Monitoring
- 5OnlineOrNot vs ManageEngine Applications Manager
- 6OnlineOrNot vs OneUptime
- 7OnlineOrNot vs Checkly
- 8OnlineOrNot vs GoPinger
- 9OnlineOrNot vs HostTracker
- 10OnlineOrNot vs Testable Synthetic Monitoring
- 11OnlineOrNot vs Uptrack
- 12OnlineOrNot vs XICTRAQ
- 13OnlineOrNot vs New Relic Synthetics
- 15OnlineOrNot vs OpenObserve
- 16OnlineOrNot vs Sitewatch
- 17OnlineOrNot vs Site24x7 Synthetic Monitoring
- 18OnlineOrNot vs Elastic Observability
- 19OnlineOrNot vs Zabbix
- 20OnlineOrNot vs Apica Vanguard
- 21OnlineOrNot vs OpenText SiteScope
OnlineOrNot alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Dotcom-Monitor | 6.6 | Free plan | $13.33/mo | Web, Windows, Linux, iOS, Android |
| 2 | Dynatrace Kubernetes Monitoring | 6.6 | No | $1.40/mo | Android, API, iOS, Linux, self-hosted, Web |
| 3 | Grafana Cloud Application Observability | 6.6 | Free plan | $0.03/mo | Linux, Mac, Web, Windows |
| 4 | New Relic Kubernetes Monitoring | 6.6 | Free plan | $29.08/mo | Linux, self-hosted, Web, Windows |
| 5 | ManageEngine Applications Manager | 6.5 | Free plan | $32.92/mo | Android, iOS, Linux, Web, Windows |
| 6 | OneUptime | 6.5 | Free plan | $0.10/mo | API, Linux, self-hosted, Web |
| 7 | Checkly | 6.4 | Free plan | $24/mo | API, Linux, Web |
| 8 | GoPinger | 6.4 | Free plan | $7/mo | Web |
| 9 | HostTracker | 6.4 | Free plan | $4.08/mo | API, Web |
| 10 | Testable Synthetic Monitoring | 6.4 | Free plan | $23.17/mo | API, self-hosted, Web |
| 11 | Uptrack | 6.4 | Free plan | $3/mo | API, Web |
| 12 | XICTRAQ | 6.4 | Free plan | €12/mo | API, Web |
| 13 | New Relic Synthetics | 6.3 | Free plan | — | Web |
| 15 | OpenObserve | 6.3 | Free plan | Free | Web |
| 16 | Sitewatch | 6.3 | Free plan | $9/mo | Web |
| 17 | Site24x7 Synthetic Monitoring | 5.8 | No | $8/mo | Android, API, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 18 | Elastic Observability | 5.6 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 19 | Zabbix | 5.6 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 20 | Apica Vanguard | 5.4 | No | — | self-hosted, Web |
| 21 | OpenText SiteScope | 5.3 | No | — | Linux, Windows |
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Questions about OnlineOrNot alternatives
What is the best alternative to OnlineOrNot?
Dotcom-Monitor, number 1 in synthetic monitoring with a score of 6.6 out of 10. The others here: Dynatrace Kubernetes Monitoring, Grafana Cloud Application Observability, New Relic Kubernetes Monitoring and 16 more.
What is the best free alternative to OnlineOrNot?
Dotcom-Monitor is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.