Prometheus vs Blackbox Exporter

A side-by-side comparison of two self-hosted monitoring & status options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturePrometheusBlackbox Exporter
CategoryMonitoring & StatusMonitoring & Status
LicenseApache-2.0Apache-2.0
LanguageGoGo
Setup difficultyMediumEasy
Min. RAM512 MB32 MB
Deploymentdocker, binary, helmdocker, kubernetes, binary
GitHub stars★ 65,616★ 5,818
First released20152016
ReplacesDatadogPingdom

Why pick each one

Choose Prometheus if…

  • Powerful query language
  • Reliable and scalable
  • Huge ecosystem
Prometheus details

Choose Blackbox Exporter if…

  • Simple uptime monitoring
  • Tiny footprint
Blackbox Exporter details

Frequently asked questions

Is Prometheus or Blackbox Exporter better?

Neither is universally better. Prometheus has the larger community, while Blackbox Exporter is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Prometheus and Blackbox Exporter free and open-source?

Yes. Prometheus is licensed under Apache-2.0 and Blackbox Exporter under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Prometheus and Blackbox Exporter with Docker?

Prometheus: yes. Blackbox Exporter: yes.

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