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