Every free cron monitor tier that clears our bar in 2026: 3 offers meet the criteria and 4 offers are demoted with a named reason. Our membership test: waits for a scheduled job to check in and alerts on the absence of the check-in rather than on a failure it observed. We could not confirm today's terms for 3 of them: on 2 the page we cite did not answer, and on 1 our own read did not confirm them. Each row says why.

AgentDeals › Best Of › Cron Monitor

Best Free Cron Monitor Tools

Every free cron monitor tier that clears our bar today. Updated 2026-11-14. Our membership test: waits for a scheduled job to check in and alerts on the absence of the check-in rather than on a failure it observed.

3 offers meet our criteria on this page. Of those, 2 carry no recorded change to the terms we publish, and we publish no durability signal for 1. The Durability column below says which offer is in which group, and links the dated record behind every change. We withhold the class where the pricing page does not resolve or states no amount, tier or rate we can read, where we refused the last read, where the listing is gated, or where a narrowing in our records cites no source or no archived copy of the vendor's page has confirmed it. We do not rank these by how much you get, because the limits are not comparable without reading each vendor's page. They are listed in an order that rotates daily. Here is how that order is derived. There is no top slot here to sell.
Why trust this data? Every free tier is verified against the vendor's pricing page with dates tracked. We monitor 513 pricing changes and flag vendors that have reduced or removed free tiers. Rankings start every offer at zero and can only demote. There is no signal a vendor can acquire, lobby for, or buy — there is nothing to add. A record reaches a function page when its category names the function or when it carries a subtype label that names the function. Adding a label to a record publishes it here; removing one withdraws it. No page holds a list of vendors. See all 59 monitoring offers →
1
Pulsetic stable
Free

Uptime monitoring — 10 monitors (HTTP/heartbeat/API), 5-minute check interval, 3 regions, 3-month history, 3 status pages

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://pulsetic.com/pricing/, where it says: “Cron Monitoring”. How we use this

Full profile Alternatives pulsetic.com/pricing/ ↗
2
Cronitor
Hacker

Cron job and uptime monitoring — free Hacker plan: 5 monitors, 5-minute check frequency, email, Slack, and webhook alerts, 1 status page (50 subscribers), 12-month data retention, single user. When we last read the page we cite for this offer, on 2026-11-01, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today.

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://cronitor.io/pricing, where it says: “Cron Job Monitoring”. How we use this

Full profile Alternatives cronitor.io/pricing ↗
3
Healthchecks.io stable
Free

Cron job and scheduled task monitoring — 20 monitors, 100 log entries per job, email/webhook/Slack/Telegram alerts, API access. Also free for open-source projects (Business plan)

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://healthchecks.io/pricing/, where it says: “Fully Managed, Worry-Free Cron Job Monitoring Service”. How we use this

Full profile Alternatives Compare Compare healthchecks.io/pricing/ ↗

Demoted — and exactly why

These offers reach this page too and rank below the list above. Each one names the recorded fact behind it. A recorded limit reduction, pricing restructure or new restriction is shown on every surface where the offer appears, with its date and summary — but it does not move rank. We have change records for only 16% of vendors, and disproportionately for well-known ones, so ranking on them would demote the vendors we happen to watch most closely.

−1
sitesure.net
Free

Website and cron monitoring - 2 monitors free. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://sitesure.net, where it says: “It works for cron jobs and any other scheduler.”. How we use this

  • −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-11, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)
Full profile Alternatives sitesure.net ↗
−1
Sentry stable
Developer

Developer tier: 1 user, 5K errors/month, 5M spans/month, 50 session replays, 5GB application logs, 1GB attachments

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://sentry.io/pricing/, where it says: “Cron Monitoring 1 cron monitor”. How we use this

  • −1 stale_verification We cannot confirm this offer: 1 consecutive re-check attempt has failed (most recently 2026-11-02 — Could not parse AI response), never confirmed since it was indexed. This is our inability to verify, not a change by the vendor. (a limit of ours, not a change by the vendor)
Full profile Alternatives Compare Compare sentry.io/pricing/ ↗
−1
deadmanssnitch.com
Free

Monitoring for cron jobs. One free snitch (monitor), more if you refer others to sign up. The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today.

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://deadmanssnitch.com/, where it says: “If they don't execute when they should, Dead Man's Snitch alerts you.”. How we use this

  • −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-11, could read no amount, tier or rate on the page. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)
Full profile Alternatives deadmanssnitch.com ↗
−1
OnlineOrNot stable
Free

Uptime and status page monitoring — free plan: 3 monitors (uptime, keyword, heartbeat), 3-minute check interval, 2 team members, 1 status page, SSL monitoring, multi-location checks, email/Slack/Discord alerts

Listed in Monitoring, and on this page because we labelled it cron_monitor. We read that on 2026-09-01 from https://onlineornot.com/pricing, where it says: “Cron Job Monitoring”. How we use this

  • −1 stale_verification Our last read of the vendor's pricing page, on 2026-10-24, found the same terms as an earlier read we had declined to record. This is our confidence in the record, not a change by the vendor. (a limit of ours, not a change by the vendor)
Full profile Alternatives onlineornot.com/pricing ↗
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
date
2026-11-14
query_key
best-of:cron_monitor
seed
85018714d822a6d598d576b6d3430d124abce915ce59a3974d48a5e23b062c1e
tie_count
3

Quick Comparison

Vendor Free Tier Key Limits Durability Read / catalogue date
Pulsetic Free Uptime monitoring — 10 monitors (HTTP/heartbeat/API), 5-minute check interval, 3 regions, 3-month history, 3 status page... stable 2026-11-07
Cronitor Hacker Cron job and uptime monitoring — free Hacker plan: 5 monitors, 5-minute check frequency, email, Slack, and webhook alert... not published
read not reconciled · 2026-11-01		 2026-11-01 / 2026-08-18
Healthchecks.io Free Cron job and scheduled task monitoring — 20 monitors, 100 log entries per job, email/webhook/Slack/Telegram alerts, API ... stable 2026-11-07

Frequently Asked Questions

What is the best free cron monitor tool in 2026?

We publish no ranking of these. Nothing we record measures popularity or generosity, so naming a best or a top few would be our preference rather than our data. We hold 3 free cron monitor offers that clear our bar, each listed with the terms we publish and the date we last read them. Our ranking rule is published at /criteria.

Which of these free cron monitor tiers have held their terms?

3 offers meet our criteria on this page. Of those, 2 carry no recorded change to the terms we publish, and we publish no durability signal for 1. The Durability column below says which offer is in which group, and links the dated record behind every change. We withhold the class where the pricing page does not resolve or states no amount, tier or rate we can read, where we refused the last read, where the listing is gated, or where a narrowing in our records cites no source or no archived copy of the vendor's page has confirmed it. We do not rank these by how much you get, because the limits are not comparable without reading each vendor's page.

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