Cronitor tells you when a scheduled job, such as a nightly backup, an invoice run or a data sync, fails or quietly stops running. It also checks websites and APIs. It's for founders and developers whose product depends on jobs running in the background. The Hacker plan is "free forever", described as "limited monitoring for homelabs and small projects". Business costs $2 per monitor plus $5 per user a month, after a 14-day trial.
What it can do for you
Cronitor says "every plan includes cron, heartbeat, website, and API monitoring". For a job, you add a ping to it, and Cronitor alerts you if a run is missed or fails. Hacker includes 5 monitors, alerts by email and Slack, and a basic status page for up to 50 subscribers. Mobile apps aren't named, but you can watch an app's backend through its API or a heartbeat.
Why it stands out
It's built around scheduled jobs first, which most uptime tools treat as an extra.
The honest downsides
- Only 5 monitors on Free. One site plus a few jobs and you're done.
- No text alerts on Free.
- Aimed at hobby use. The free plan is pitched at homelabs and small projects.
- SSL checks per plan not stated.
Skip it if
- you mainly need website uptime checks
- you have more than a handful of jobs to watch
Alternatives
- Better pick for site monitoring with some cron checks: HetrixTools. It's free for 15 sites at 1-minute checks with SSL and domain alerts, and it covers cron jobs with heartbeats. The catch: you must log in every 90 days.
- UptimeRobot offers 50 free monitors, including heartbeat checks for cron jobs.
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