Best Synthetic Monitoring in 2026
Updated
In short: Testable Synthetic Monitoring is ranked #1 of 31 as of 3 October 2026, ahead of Site24x7 Synthetic Monitoring and HostTracker. The best-ranked option with a free plan is HostTracker. The lowest first paid tier on this page is Sematext Synthetics at $2/mo.
Synthetic monitoring uses scheduled checks to observe services and user-facing flows. Compare API, browser, journey, and transaction checks to see which kinds of activity the entries cover. The fastest schedule and locations offer further points of comparison for how often and where checks can run, while free-plan availability and paid-from pricing add cost context. The ranking begins with Testable Synthetic Monitoring and Site24x7 Synthetic Monitoring, followed by HostTracker; Uptrack and Sematext Synthetics are also among the first entries. Match the available check types and listed operating details to the services and journeys you need to monitor.
31 synthetic monitoring ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Locations | |
|---|---|---|---|---|---|---|---|---|
| 1 | Testable Synthetic Monitoring | 8.8 | RecognisedAPIDocumented | $23.17/mo | Yes | 23.17 /mo | — | View |
| 2 |  Site24x7 Synthetic Monitoring | 8.7 | RecognisedAPIDocumented | $8/mo | Yes | — | — | View |
| 3 | HostTracker | 8.6 | RecognisedAPIDocumented | $4.08/mo | Yes | 5 /mo | — | View |
| 4 |  Uptrack | 7.8 | RecognisedAPIDocumented | $3/mo | Yes | 3 /mo | 3 locations | View |
| 5 |  Sematext Synthetics | 7.7 | RecognisedAPIDocumented | $2/mo | No | 2 /mo | — | View |
| 6 | Zabbix | 7.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 7 | Dotcom-Monitor | 7.0 | RecognisedAPIDocumented | $13.33/mo | Yes | 13.33 /mo | — | View |
| 8 | Checkly | 6.9 | RecognisedAPIDocumented | — | Yes | 24 /mo | — | View |
| 9 |  GoPinger | 6.8 | RecognisedAPIDocumented | $7/mo | Yes | 7 /mo | 3 locations | View |
| 10 | Uptrends | 6.5 | RecognisedAPIDocumented | $42/mo | No | 42 /mo | — | View |
| 11 |  Uptime.com | 6.4 | RecognisedAPIDocumented | $9/mo | — | 9 /mo | — | View |
| 12 |  XICTRAQ | 6.4 | RecognisedAPIDocumented | — | Yes | — | 3 locations | View |
| 13 | MonSpark | 6.2 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 14 | Apica Vanguard | 6.0 | RecognisedAPIDocumented | — | — | — | — | View |
| 15 | Pingdom | 6.0 | RecognisedAPIDocumented | — | No | — | — | View |
| 16 |  Supercheck | 5.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 17 | Assertible | 5.9 | RecognisedAPIDocumented | — | Yes | 25 /mo | — | View |
| 18 |  OnlyStatus | 5.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 19 | Oh Dear | 5.7 | RecognisedAPIDocumented | €15/mo | No | — | — | View |
| 20 |  Sitewatch | 5.7 | RecognisedAPIDocumented | $9/mo | Yes | 9 /mo | 1 locations | View |
| 21 |  CA App Synthetic Monitor | 5.6 | RecognisedAPIDocumented | — | No | — | — | View |
| 22 | OnlineOrNot | 5.6 | RecognisedAPIDocumented | $15/mo | Yes | 15 /mo | — | View |
| 23 | RapidSpike | 5.5 | RecognisedAPIDocumented | £199/mo | No | — | — | View |
| 24 | OpenObserve | 5.5 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 25 |  ThousandEyes Browser Synthetics | 5.3 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which synthetic monitoring is ranked first on Inferse?
Testable Synthetic Monitoring is ranked #1 of 31 with a score of 8.8. Site24x7 Synthetic Monitoring is second and HostTracker third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Sematext Synthetics has the lowest first paid tier we found: $2/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.