Most cron jobs fail silently. The backup script exits with code 0 even though the S3 bucket was full, the nightly report query timed out but nobody checked the log, and the scheduled sync just stopped running three weeks ago. A cron monitoring tool watches for what didn't happen: no ping arrived, the job ran too long, or it never started at all. We tested nine cron job monitoring tools against real schedules, from single-purpose heartbeat monitors to platforms that bundle cron monitoring with uptime plus SSL and incident management. Here's how they compare in mid-2026.
What we tested and how we scored
Every tool in this list was tested with actual cron jobs: a nightly database backup running at 0 3 * * *, a five-minute queue health check, and a weekly report generator. Five criteria shaped the ranking.
First, schedule awareness. Some tools parse cron expressions and know that a job running at 0 3 * * 1 should check in around Monday at 3 AM. Others just expect pings at a fixed interval (every 60 minutes, say) and have no concept of when the job was supposed to run. The difference matters when your schedules are irregular.
Alert speed and channels came next. Email-only alerts work for weekly report generators. A failed payment reconciler needs Slack, SMS, or a phone call within minutes. We checked which channels each tool offers and how fast the first alert fires after a missed ping.
Free tier depth varies wildly. Some tools hand you 20 monitors for free, , which is effectively a demo, not a plan. We noted what you actually get without paying.
Scope beyond cron separates heartbeat-only tools from platforms that also handle uptime, SSL/port monitoring and status pages. If you need all of those, paying for three separate services costs more than one platform that covers everything.
Pricing at scale rounds out the list. A tool that costs $5/month for 3 monitors is cheap. The same tool at $99/month for 100 monitors might not be. We calculated what 50–100 cron monitors actually costs on each platform.
Nine tools, tested against real cron schedules
1. WatchCron
WatchCron's cron job monitoring uses heartbeat pings with full cron expression support. Set */15 * * * * or 0 3 * * 1 and WatchCron parses the . It knows Monday-at-3-AM is not the same as every-10,080-minutes. Before saving, a "Next 5 runs" preview confirms the schedule is interpreted correctly, which catches typos in expressions before they cause missed alerts. Grace periods are configurable per monitor: if a job that should finish in 30 seconds occasionally takes two minutes, you set a grace period wide enough to absorb that variance without triggering a false alarm.
The free plan gives you 20 cron checks at 1-minute intervals. Starter ($7/mo) raises that to 75, Pro ($19/mo) to 250, and Business ($49/mo) to 1,000. Alert channels grow with each tier — messaging apps like Slack and Discord from Starter, SMS from Pro, voice and PagerDuty from Business — but email and webhooks are available on every plan including free. Maintenance windows suppress alerts during planned downtime without pausing monitors individually, and acknowledge-from-email lets on-call staff silence repeat notifications with one click from their inbox.
Beyond cron, the platform includes uptime, port, SSL, domain expiration, and blocklist monitoring, plus status pages and incident management. That breadth is , and the trade-off. WatchCron is a newer product with a smaller community than Cronitor or Better Stack, no crontab auto-import, and no exit code tracking. If cron monitoring is your only need and you have 200 jobs to onboard, Cronitor's CLI tooling will save you setup time.
2. Cronitor
Cronitor is the most cron-focused tool on this list. It parses cron expressions natively, auto-imports jobs from your crontab output, tracks exit codes and run duration, and detects timing anomalies — if a job that normally finishes in 30 seconds suddenly takes 15 minutes, Cronitor flags it. SDKs for Python, Ruby, Go, PHP, and Node let you instrument jobs beyond simple curl pings.
Five free monitors to start. The Developer plan is $25/month for 20 monitors. Business pricing shifts to per-unit billing: $2 per monitor per month plus $5 per dashboard user. That puts 50 monitors with 5 users around $125/month, and 100 monitors near $225/month. The deepest cron analytics available, but the per-unit model adds up past a few dozen monitors. Scope is narrower than . No SSL, port, or blocklist monitoring.
Full WatchCron vs Cronitor comparison →
3. Healthchecks.io
Open-source, self-hostable, and focused entirely on heartbeat monitoring. Each check gets a unique ping URL. Set the schedule type (simple interval, cron expression, or systemd OnCalendar format), configure a grace period, and Healthchecks alerts when the ping is late. The UI is minimal and fast.
Twenty free checks with unlimited team members. Paid plans run $17/month (100 checks), $35/month (1,000 checks), and $85/month (5,000 checks). Self-hosting the Python/Django stack is free if you're comfortable maintaining it yourself. The strongest open-source option on this list, and the only self-hostable one. But it's cron/heartbeat only — if you need uptime or SSL monitoring, you'll add a second tool.
How WatchCron and Healthchecks.io differ →
4. Better Stack
Better Stack wraps heartbeat monitoring into a broader ops platform alongside uptime checks, on-call scheduling, incident management, hosted status pages, and Logtail log aggregation. The strength is the incident workflow: when a heartbeat goes quiet, an incident gets created automatically, the on-call person is paged, and if nobody acknowledges within the configured window, escalation kicks in.
For cron monitoring, there's a significant limitation. Better Stack heartbeats have historically been interval-based — "expect a ping every N minutes." Their documentation now references cron expression support, but the depth of schedule awareness (grace periods per expression, next-run previews, drift detection) is not comparable to dedicated cron tools. Jobs on irregular schedules may still require manual grace-period tuning.
The free plan includes 10 monitors and 10 heartbeats at 3-minute intervals. Paid plans start around $29/month for the Team tier, with heartbeats priced as add-ons at roughly $17–20/month per 10 additional. The pricing is component-based: flexible but hard to predict upfront.
WatchCron vs Better Stack side by side →
5. Oh Dear
Oh Dear is the strongest option here for Laravel teams running scheduled tasks. The spatie/laravel-schedule-monitor package syncs directly with your kernel's . Every command registered in Console\Kernel gets a corresponding monitor without touching a single cron line or adding curl pings. Grace periods default to five minutes and can be tuned per task, so a job that legitimately runs long won't trigger false alerts.
Beyond cron, Oh Dear bundles uptime, SSL, broken-link crawling, DNS, mixed-content detection, Lighthouse performance audits, and status pages. Every feature ships . Pricing scales by site count only, starting at $17/month for 5 sites. No free tier; the 30-day trial needs no credit card. Per-site billing keeps things predictable for small portfolios but adds up once you're past 15–20 domains.
WatchCron vs Oh Dear in detail →
6. Hyperping
Hyperping covers uptime checks across HTTP, TCP, ICMP, and DNS protocols, plus heartbeat monitoring, SSL tracking, status pages, and on-call scheduling — all on flat monthly pricing without per-seat charges. Heartbeats are interval-based: configure a window (hourly, daily, weekly, or custom), and Hyperping alerts when the ping doesn't arrive within that window.
Twenty monitors on the free plan (shared between all types). Starter runs $24/month flat, Pro $74/month for 100 monitors and 5 seats. Predictable pricing with no surprises on the invoice, but . It doesn't understand schedules, only intervals.
See the WatchCron vs Hyperping comparison →
7. Dead Man's Snitch
Does one thing: watches for pings that stop arriving. Create a "snitch," add a curl call to your cron job, and if the ping stops, you get alerted. No dashboards to configure, no monitoring types to choose between. The name describes the product.
One free snitch, effectively a demo. Paid plans run $5/month (3 snitches), $19/month (100 snitches with API access), $49/month (300 snitches with smart alerts), and $99/month for higher limits. All paid plans include unlimited team members. The simplest tool on this list, but the per-snitch cost is higher than alternatives, and it does nothing beyond heartbeat monitoring.
WatchCron vs Dead Man's Snitch →
8. UptimeRobot
One of the longest-running uptime monitoring services, with millions of users. Heartbeat monitoring was added later as a Pro feature: set an interval and a timeout, and UptimeRobot alerts when the ping is late. Interval-based only, no cron expression parsing. The heartbeat feature works but it's clearly secondary to their core uptime monitoring.
Up to 50 monitors on the free plan, but heartbeats require Pro ($7/month). UptimeRobot recently restricted the free tier to personal, . Keep that in mind if you were counting on it for a production setup. Trusted, affordable, and battle-tested, but cron monitoring is not its focus.
WatchCron vs UptimeRobot comparison →
9. Pulsetic
Pulsetic's main draw : unlimited, custom-domain, with subscriber notifications and polished design. Heartbeat/cron monitoring exists but isn't deeply specialized. You set an interval, Pulsetic watches for pings, and alerts if they stop. 30-second check intervals are available even on standard plans, which is faster than most competitors on this list.
A limited free plan exists. Paid plans start around $9/month with per-unit add-ons: $0.20 per monitor, $8 per teammate, $0.10 per SMS or call. Up to 1,000 monitors and 50 team members. Great status pages, but if cron monitoring is your primary need, Pulsetic treats it as a secondary feature.
Side by side: schedule support, free tiers, and scope
| Tool | Cron-expression aware | Free cron checks | Entry paid plan | Scope beyond cron |
|---|---|---|---|---|
| WatchCron | Yes | 20 | $7/mo (75 checks) | Uptime, ports, SSL, domains, blocklists, status pages, incidents |
| Cronitor | Yes (+ auto-import) | 5 | $20/mo (20 monitors) | Uptime |
| Healthchecks.io | Yes | 20 | $17/mo (100 checks) | Heartbeat only |
| Better Stack | No (interval) | 10 | ~$29/mo (Team) | Uptime, incidents, on-call, logs, status pages |
| Oh Dear | Yes (Laravel sync) | 0 (trial only) | €15/mo | Uptime, SSL, broken links, DNS, performance |
| Hyperping | No (interval) | 20 (shared) | $24/mo flat | Uptime, SSL, status pages, on-call |
| Dead Man's Snitch | No (interval) | 1 | $5/mo (3 snitches) | Heartbeat only |
| UptimeRobot | No (interval) | 0 (Pro only) | $7/mo | Uptime, SSL, ports |
| Pulsetic | No (interval) | Limited | ~$9/mo | Uptime, SSL, status pages |
Picking the right tool for your cron jobs
Job count is the first filter. With 5–10 cron jobs, most tools on this list work fine and the free tiers cover you. Past 50 jobs, pricing models diverge: per-unit (Cronitor, Dead Man's Snitch, Pulsetic) gets expensive, while tiered or flat-rate plans (WatchCron, Healthchecks.io, Hyperping) stay predictable.
Schedule awareness is the second. If your jobs run at fixed intervals (every 5 minutes, every hour), interval-based tools work. But if they fire at specific times (0 3 * * 1 for Monday at 3 AM), you want cron-expression support so the tool knows when to expect the ping. WatchCron, Cronitor, Healthchecks.io, and Oh Dear handle this. The rest don't.
What else you're monitoring shapes the decision more than most people expect. If cron monitoring is all you need, Healthchecks.io and Cronitor are excellent standalone choices. If you also need uptime, SSL, and status pages, paying for a single all-in-one platform costs less than stitching together three separate services — and you avoid the operational tax of keeping multiple dashboards in sync.
One gotcha that trips people up: timezone mismatches between your cron server and your monitoring tool. If your server runs in UTC but you configured the monitor in US/Eastern, a job scheduled for 0 3 * * * will appear 4–5 hours late depending on DST. Schedule-aware tools (WatchCron, Cronitor, Healthchecks.io) let you set the timezone per monitor. Interval-based tools don't have this problem because they don't care , but they also can't tell you if a job ran at the wrong hour.
If you're running Laravel, Oh Dear's scheduler integration is . Install the package, and every scheduled task gets a monitor automatically. No other tool matches that level of framework integration. For everyone else, the setup is similar across tools: add a curl ping to the end of your cron job, configure the schedule and grace period, and pick your alert channels.
Cronhub, which was a mid-tier option in this space, announced its shutdown in March 2026 and fully closes in June 2026. If you're migrating from Cronhub, any tool on this list can replace it.
20 cron checks, uptime monitoring, port and domain monitors. No credit card, no time limit.