18.4
Grafana Cloud Application Observability is a cloud application monitoring product that uses OpenTelemetry and Prometheus data to help software…
Free planAndroidiOSWeb
Best Synthetic Monitoring in 2026
Synthetic monitoring tools run checks against services from outside the systems you operate, helping you compare coverage and timing. Compared on API checks, browser checks, journey checks, and transaction checks, the entries show different ways to assess endpoints and user flows. Fastest schedule and locations add context about check frequency and where checks can run; free-plan availability and paid-from pricing…
28.3
Dotcom-Monitor is a website and infrastructure monitoring service from Dotcom-Monitor, a company founded in 1998 and headquartered in Excelsior, Minnesota.
Free planAndroidiOSWeb
37.9
New Relic Synthetics is a web service for monitoring websites and APIs with browser, API, transaction, and journey checks.
Free planAndroidiOSWeb
- 4
Pingdom
Pingdom is a paid website and server monitoring service available through web, Android, iOS, and an API.
AndroidiOSWebAPI7.8From $16.50 a month - 5
OnlineOrNot
OnlineOrNot is a web service for monitoring service status and communicating changes to subscribers.
Free planWebAPILinuxmacOS7.6From $15 a month - 6
Uptrends
Uptrends monitors websites, web applications, APIs, and servers for availability and performance.
AndroidiOSWebAPI7.4From $42 a month - 7
GoPinger
GoPinger monitors websites, APIs, and SSL certificates and notifies users when monitored endpoints have issues.
Free planWeb7.3From $7 a month - 8
ManageEngine Applications Manager
ManageEngine Applications Manager is a hybrid application and infrastructure monitoring product available for Android, iOS, Linux, web, and Windows.
Free planAndroidiOSWebLinux7.1From $395 a year - 9
7.1From €15 a month - 10
OneUptime
OneUptime combines monitoring, observability, and incident response on one platform.
Free planWebAPILinuxSelf-hosted7.0From $0.10 a month - 11
Assertible
Assertible tests and monitors APIs, websites, and other HTTP services for uptime, availability, and correct behavior.
Free planWebAPI6.9From $25 a month - 12
Checkly
Checkly is a monitoring-as-code platform for developers tracking critical APIs and user interfaces.
Free planWebAPILinux6.9From $24 a month - 13
HostTracker
HostTracker monitors websites, servers, and APIs from outside a customer's network.
Free planWebAPI6.9From $49 a year - 14
Site24x7 Synthetic Monitoring
Site24x7 Synthetic Monitoring simulates multi-step user workflows in real browsers to check web applications for availability, functionality, and performance.
AndroidiOSWebAPI6.9 - 15
Exoprise
Exoprise is a digital experience monitoring platform for SaaS and cloud applications, networks, and endpoints.
WebAPIExtensionLinux6.8From $100 a month - 16
Grafana Alerting
Free planWebLinuxmacOSWindows6.8$0.03 usage-based - 17
Testable Synthetic Monitoring
Testable Synthetic Monitoring runs scheduled checks to simulate network, API, browser, or service behavior and verify expected results.
Free planWebAPISelf-hosted6.7From $23.17 a month - 18
Uptrack
Uptrack monitors website and service availability through HTTP, HTTPS, TCP, ping, SSL, DNS, cron, and heartbeat checks.
Free planWebAPI6.7From $3 a month - 19
XICTRAQ
XICTRAQ brings website monitoring, security, SEO, GDPR and accessibility checks, cookieless analytics, and reporting together in a web and API platform.
Free planWebAPI6.7From €12 a month - 20
RapidSpike
WebAPI6.6From £199 a month - 21
Zabbix
Zabbix is an open-source monitoring and observability solution for infrastructure, applications, networks, and services.
WebAPILinuxmacOS6.6 - 22
Ghost Inspector
Ghost Inspector is a paid, no-code platform for automated browser testing of websites and web applications.
WebAPIExtension6.5From $109 a month - 23
Sematext Synthetics
Sematext Synthetics is a paid monitoring service for APIs, web URLs, websites and user journeys from locations around the globe.
WebAPILinuxSelf-hosted6.5$2 usage-based - 24
Sitewatch
Sitewatch monitors websites by loading pages as a browser would and checking more than basic server availability.
Free planWeb6.4From $9 a month - 25
Calibre RUM
Calibre RUM is a paid real-user monitoring service for teams that need to locate slow pages and user-experience issues.
WebAPI6.3From $75 a month