Side by side

Cronitor vs Uptime Monitor

Both stand on website monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Cronitor

Free plan APILinuxWeb

Cronitor covers scheduled jobs, uptime checks, heartbeats, and status pages, with a free plan and a listed trial. Check its monitor limits, check frequency, and Business per-monitor and per-user charges before choosing a plan.

Visit Cronitor

Uptime Monitor

Free plan APISelf-hostedWeb

Uptime Monitor provides broad protocol monitoring, grouped health views, status pages, and alert routing in a self-hosted package. Its retention periods differ by data granularity, while deployment and ongoing infrastructure remain your responsibility.

Visit Uptime Monitor

The facts

	Cronitor	Uptime Monitor
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Web	API, Self-hosted, Web
Lowest paid plan	Business: $2 a month	Not published
Plans published	3	None
Maker	Not published	Not published
Website	cronitor.io	uptime-monitor.org
On website monitoring software	#4 of 55	#36 of 55

Cronitor: what it does well

Retains job-run status, metrics, and output.
Website and API checks run from 12+ worldwide locations.
Offers public or private status pages.
Free plan includes five monitors.
A 14-day trial is available.

What to know first

Free plan excludes SMS alerts and premium integrations.
Free plan’s fastest check frequency is five minutes.
Business adds $5 a month per user.
Enterprise starts at $6,000 a year.

Uptime Monitor: what it does well

Monitors 17 protocols
Self-hosted with no external tracking
Real-time WebSocket status updates
Responsive, customizable status pages
Distributed checks from multiple locations

What to know first

Requires self-hosted deployment
Raw pulse history lasts 24 hours
Uses GPL-3.0 licensing
Configuration and infrastructure are user-managed

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