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 $7 per month (indicative, Solo)
Free tierFrom $29 per month (indicative)
Free tierWhat drives the bill
The metric that actually scales your invoice.
One of the best free tiers in infrastructure tooling; paid plans are still inexpensive.
Substantially cheaper than assembling Pingdom, PagerDuty and Statuspage separately.
Free tier
50 monitors at 5-minute intervals, free forever.
Free plan with 10 monitors at 3-minute intervals and a status page.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Widely used
UptimeRobot · since 2010
Established
Better Stack · since 2021
Strengths
Limitations
Best for
Side projects, small businesses and anyone who currently has no monitoring at all.
Small and mid-sized teams consolidating uptime, on-call and status pages.
All of these integrate with: Slack, PagerDuty.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.