Uptime, cron & status pages

External checks, heartbeat/cron monitors and public status pages. 16 vendors tracked, 13 with a verified free tier.

Best free option · our take

UptimeRobot

UptimeRobot lists 50 monitors at 5-minute intervals, but only for non-commercial use. For a commercial side project, Hyperping (20 monitors) or Instatus (15 monitors, 2-min checks) are the strongest verified free plans; Healthchecks.io (20 jobs) is the cron-monitoring pick.

Based only on the plan limits recorded below; limits change — check sources.

All Uptime, cron & status pages vendors

Atlassian Statuspage

100 subscribers; 25 components; 2 team members; 2 metrics; email notifications

Better Stack

10 monitors & heartbeats; 1 status page; Slack & email alerts

Checkly

$0; hard-capped at 10k API check runs and 1k browser check runs

Cronitor

5 monitors; email & Slack alerts; basic status page

Healthchecks.io

20 jobs; 100 log entries per job

Hyperping

20 monitors; 5-min checks; 1 seat

Instatus

15 monitors; 2-min checks; 5 team members; public status page; 200 subscribers

OneUptime

$0 plan; paid plans unlock features

OpenStatus

1 monitor; 1 status page (3 components); 10-min min interval

Site24x7

Uptime monitoring of up to 50 resources; email alerts

StatusCake

10 uptime monitors; 5-min test intervals

StatusGator

Free forever: 100 status page subscribers; 1 month of data; 10 notifications/month (as captured from plan table)

UptimeRobot

50 monitors; 5-min interval; basic status pages (non-commercial/hobby use)

Oh Dear

10-day free trial, no credit card needed

Pingdom

Free trial only (Synthetics + RUM)

updown.io

100,000 free credits to try

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When any of these 16 vendors changes a free tier or price, you’ll hear first.