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 $10 per month (indicative, Synthetic starter)
PaidFrom $5 per 1k API test runs / 12 USD per 1k browser test runs (indicative)
PaidWhat drives the bill
The metric that actually scales your invoice.
Transaction checks and RUM are priced separately from basic uptime checks and add up.
Priced per test run and separately for browser versus API. Costs land inside a wider Datadog contract that is rarely small.
Free tier
30-day trial.
14-day trial.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
SolarWinds · since 2007
Category standard
Datadog · since 2019
Strengths
Limitations
Best for
Organisations wanting an established name for straightforward uptime monitoring.
Existing Datadog customers who want monitoring in the same pane as their observability data.
All of these integrate with: Slack, PagerDuty.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.