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Best Synthetic Monitoring in 2026

Synthetic monitoring checks services from outside the systems they depend on, helping you compare what can be observed and how frequently. Compared on API checks, browser checks, journey checks, and transaction checks, these entries show different ways to monitor behavior. Dotcom-Monitor, Dynatrace Kubernetes Monitoring, and Grafana Cloud Application Observability are among the named options to consider. Look at the fastest schedule and available locations to understand the listed coverage and timing, then weigh free-plan availability against paid-from pricing. The right mix of checks depends on which APIs, browser flows, or transactions you need to keep an eye on.

  1. 1

    Dotcom-Monitor

    by Dotcom-Monitor
    Free plan AndroidAPIiPhone+4

    Dotcom-Monitor offers target monitoring with multiple alert routes and plan limits that vary by tier.

    7.5 Free plan · paid from $13.33/mo · 30-day trial Visit site
  2. 2

    Checkly

    Free plan APILinuxWeb

    Checkly combines uptime monitors, browser-based checks, and scheduled Playwright suites with a code-oriented workflow.

    7.4 Free plan · paid from $24/mo Visit site
  3. 3

    Grafana Cloud Application Observability

    Free plan AndroidAPIExtension+5

    Grafana Cloud Application Observability brings several telemetry types and service-level views together for application investigation.

    7.4 Free plan · paid from $0.03 Visit site
  4. 4

    Assertible

    Free plan APIWeb

    Choose Assertible if you need HTTP service checks, deployment smoke tests, or API test synchronization with common specification formats and Postman collections.

    7.3 Free plan · paid from $25/mo Visit site
  5. 5

    New Relic Synthetics

    Free plan AndroidAPIExtension+3

    New Relic Synthetics offers multiple check types and a free entry plan with defined usage limits.

    7.3 Free plan · paid from $0.01 Visit site
  6. 6

    OneUptime

    Free plan APILinuxSelf-hosted+1

    OneUptime brings service monitoring and incident response together, with both hosted plans and self-hosted deployment options.

    7.3 Free plan · paid from $22/user/mo · 14-day trial Visit site
  7. 7

    OnlineOrNot

    by OnlineOrNot
    Free plan APILinuxMac+1
    7.2 Free plan · paid from $15/mo · 14-day trial Visit site
  8. 8

    HostTracker

    Free plan APIWeb

    HostTracker combines external monitoring, rechecks, alerts, and status pages with a broad set of developer integrations.

    7.1 Free plan · paid from $5/mo · 30-day trial Visit site
  9. 9

    Site24x7 Synthetic Monitoring

    Free plan AndroidAPIExtension+6

    Site24x7 Synthetic Monitoring combines browser transaction recording with diagnostics and global execution locations.

    7.1 Free plan · 30-day trial Visit site
  10. 10

    GoPinger

    Free plan Web

    GoPinger covers synthetic website, API, and SSL monitoring, with status pages on every plan.

    7.0 Free plan · paid from $7/mo · 30-day trial Visit site
  11. 11

    MonSpark

    by MonSpark
    Free plan APIExtensionWeb

    MonSpark covers a broad set of website and server checks, with multiple alert routes and customer-domain status pages.

    6.9 Free plan Visit site
  12. 12

    OnlyStatus

    Free plan APISelf-hosted

    Choose OnlyStatus if you want self-hosted monitoring with status pages, incident tracking, multiple alert options, and no plan tiers.

    6.9 Free plan Visit site
  13. 13

    Testable Synthetic Monitoring

    Free plan APISelf-hostedWeb

    Testable offers scheduled checks ranging from basic network monitors to scripted workflows, with diagnostics for failed runs.

    6.9 Free plan · paid from $23.17/mo (annual) Visit site
  14. 14

    Zabbix

    Free plan APILinuxMac+3

    Zabbix covers a broad range of monitoring sources and methods, with synthetic browser checks and a free plan. Subscription support and server or proxy allowances vary by tier.

    6.9 Free plan · paid from $50/mo · 5-day trial Visit site
  15. 15

    OpenObserve

    Free plan Web

    OpenObserve brings pipeline processing, parsing, live viewing and archive export together for log work.

    6.8 Free plan · pricing on request Visit site
  16. 16

    Grafana Alerting

    Free plan LinuxMacWeb+1
    6.7 Free plan · paid from $20/user Visit site
  17. 17

    Uptrack

    Free plan APIWeb

    Uptrack pairs conventional availability checks with scheduled browser runs and alert integrations. Its free plan has a defined monitor limit, and buyers should note there is no free trial.

    6.7 Free plan · paid from $3/mo Visit site
  18. 18

    Sitewatch

    Free plan Web

    Sitewatch combines page-level checks with incident explanations and deployment-triggered checks. Its free plan is limited to one site and page, while paid plans add capacity and faster checks.

    6.6 Free plan · paid from $9/mo · 7-day trial Visit site
  19. 19

    XICTRAQ

    Free plan APIWeb

    Choose XICTRAQ if you want uptime, security, accessibility, analytics, and API checks together, with a free plan for one website.

    6.6 Free plan · paid from €12/mo · 14-day trial Visit site
  20. 20

    ManageEngine Applications Manager

    Free plan AndroidiPhoneLinux+2

    Applications Manager offers tracing, mapping, real user monitoring and log correlation in a hybrid product.

    6.5 Free plan · paid from $395/yr · 30-day trial Visit site
  21. 21

    Exoprise

    Free trial APIExtensionLinux+4

    Choose Exoprise if you need a combined view of synthetic checks, employee experience, and network paths across SaaS and cloud services.

    6.4 15-day trial Visit site
  22. 22
    6.2 Free plan Visit site
  23. 23

    CA App Synthetic Monitor

    Free trial APIWeb

    CA App Synthetic Monitor combines external performance checks with reporting, alerts, and several integration options.

    6.2 Pricing on request · 30-day trial Visit site
  24. 24

    Calibre RUM

    Free trial APIWeb

    Calibre RUM offers page-level real-user performance signals and several report filters, with plans priced by sessions. Check session and synthetic-test allocations when choosing a plan.

    6.2 From $75/mo · 15-day trial Visit site
  25. 25

    Ghost Inspector

    Free trial APIExtensionWeb

    Ghost Inspector combines recorded browser tests with scheduling, integrations, and team controls.

    6.2 From $109/mo (annual) · 14-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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