Comparison

Uptime Kuma vs Netdata

Uptime Kuma and Netdata both land on Depends.

Uptime Kuma

uptime.kuma.pet

Depends

Confidence: Medium

Buy it if you can run and patch a small server and want free uptime checks, alerts, and status pages.

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Netdata

Depends

Confidence: Medium

Buy if you run Linux servers and want free, per-second monitoring with minimal setup effort.

Read the full report

Uptime Kuma versus Netdata
Compare	Uptime Kuma	Netdata
Verdict	Depends	Depends
Best for	Homelab and self-hosting enthusiasts	Homelab and Linux server owners
Who it's not for	Teams with nobody to run, patch, and back up a server	Anyone needing only simple uptime pings
Privacy	Active CVE history across 2023-2026; self-hosting makes patching your responsibility.^⁸	One public CVE (2023-22496, command injection), fixed in a 2023 release; keep agents updated and don't expose dashboards.¹⁵
Support quality	Community support only; no vendor SLA	No support-quality evidence in sources
Public sentiment	Reddit users and managed-hosting reviewers overwhelmingly praise its simplicity and value; complaints center on self-hosting upkeep and doubts at large scale.^⁴	Users widely praise Netdata's easy setup and rich per-second dashboards, especially on Linux and homelab servers.
Biggest gotcha	CVEs spanning 2023-2026 mean prompt patching is mandatory; exposed instances are risky	CVE-2023-22496: outdated agents are command-injection vulnerable . keep versions current¹⁶

Pick Uptime Kuma when

Homelab and self-hosting enthusiasts
Small teams watching a handful of sites
MSPs monitoring client endpoints
Budget-constrained dev shops

When Uptime Kuma is not a fit

Teams with nobody to run, patch, and back up a server
Enterprises needing SOC 2, vendor SLAs, or official support
Very large fleets . 12k-service scaling is unproven per users
Anyone wanting probes from many global locations out of the box

Pick Netdata when

Homelab and Linux server owners
SRE teams wanting per-second metrics
Self-hosters avoiding SaaS monitoring bills
Startups monitoring small server fleets

When Netdata is not a fit

Anyone needing only simple uptime pings
Buyers who won't run an agent on every node
Teams unwilling to tune high-frequency alert noise
Privacy-strict shops wary of cloud-linked agents

Sources

Uptime Kuma . official siteuptime.kuma.pet
official
louislam/uptime-kuma on GitHubgithub.com
official
Holy crap. How good is Uptime Kuma!!! . r/mspreddit.com
review
I am loving Uptime Kuma! . r/selfhostedreddit.com
review
Is Uptime Kuma scalable enough to monitor 12k services? . r/UptimeKumareddit.com
review
Fully Managed Uptime-kuma as a Service . Elestioelest.io
review
Uptime Kuma . Self-Hosted Monitoring . PeoplesHostpeopleshost.com
official
Directory Traversal in uptime-kuma . Snyksecurity.snyk.io
security
CVE-2025-26042 Detail . NIST NVDnvd.nist.gov
security
A Hosted Uptime Kuma Alternative . OpenStatusopenstatus.dev
news
Uptime Kuma Alternative . 300+ Locations . HostTrackerhost-tracker.com
news
Uptime Kuma . Vultr One-Click Applicationvultr.com
official
Netdata homepagenetdata.cloud
official
Netdata GitHub repositorygithub.com
official
NVD . CVE-2023-22496nvd.nist.gov
security
Snyk . Arbitrary Command Injection in Netdatasecurity.snyk.io
security