Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
From $24 per month (indicative, Superior)
Free tierFrom $10 per month (indicative, Synthetic starter)
PaidWhat drives the bill
The metric that actually scales your invoice.
SSL and domain expiry monitoring included on paid plans, which prevents a genuinely common outage cause.
Transaction checks and RUM are priced separately from basic uptime checks and add up.
Free tier
Free plan with unlimited uptime tests at 5-minute intervals.
30-day trial.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
StatusCake · since 2012
Widely used
SolarWinds · since 2007
Strengths
Limitations
Best for
Small teams wanting broad availability coverage cheaply.
Organisations wanting an established name for straightforward uptime monitoring.
All of these integrate with: Slack, PagerDuty, Opsgenie, Webhooks.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.