Side by side

Treo 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.

Treo

Free plan APIWeb

Choose Treo if you need CrUX data alongside Lighthouse audits, page monitoring and performance alerts. The Free plan is a way to use CrUX data, but Lighthouse monitoring starts with paid plans at $75 a month; teams needing API access must choose Pro or Scale.

Visit Treo

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

	Treo	Uptime Monitor
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Web	API, Self-hosted, Web
Lowest paid plan	Vital: $75 a month	Not published
Plans published	5	None
Maker	Not published	Not published
Website	treo.sh	uptime-monitor.org
On website monitoring software	#28 of 55	#36 of 55

Treo: what it does well

CrUX data does not require tracking scripts or a collection wait.
Sitemap scans show available CrUX data, updated daily.
Hourly Lighthouse monitoring includes budgets and alerts.
Sites includes five years of historical CrUX data.
Geographic data covers more than 200 countries and territories.

What to know first

The Free plan has no Lighthouse audits.
Vital costs $75 a month and has no API access.
Free is limited to 50 CrUX pages and five sites.

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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