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Networking · head to head

Icinga vs Ubiquiti UniFi

Icinga logo

Icinga

Networking

Open source infrastructure monitoring, free at its core, with paid support and modules sold separately by Icinga GmbH

From
Free
Rated
-
Full reviewWebsite
Ubiquiti UniFi logo

Ubiquiti UniFi

Networking

Effortlessly manage 100+ APs in the same way you manage an individual AP

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Icinga has a free tier, so it costs nothing to try first.
  • Each has a real cost: Icinga the free core has no vendor SLA, so production incidents are supported through community channels unless a paid support subscription is purchased; Ubiquiti UniFi product page states no licensing fees but publishes no hardware price; buyers must go to the Ubiquiti Store or an authorized distributor for a figure
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Icinga and Ubiquiti UniFi actually diverge.

Attributes where Icinga and Ubiquiti UniFi differ
AttributeIcingaUbiquiti UniFi
Starting priceFreeOn request
Pricing modelOpen source core, with paid repository, module and support subscriptions sold separatelyone-time
Free tierYesNo
PlatformsLinux, WebWeb

Identical on both: user rating (Not yet rated), category (Networking).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Icinga

  • Forever Free core
  • Clustering and HA
  • Icinga Web and API
  • Enterprise modules (paid)
  • Integration ecosystem

Only in Ubiquiti UniFi

Nothing recorded that Icinga does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Icinga

  • An IT team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard Linux distributionsnot Ubiquiti UniFi
  • An organisation on RHEL or SLES that wants officially packaged Icinga builds via the repository subscription rather than building from sourcenot Ubiquiti UniFi
  • A team wanting an SLA-backed vendor support relationship rather than relying on community forums for a production monitoring systemnot Ubiquiti UniFi
  • A company already invested in Prometheus and Grafana wanting to add host and service-level alerting from a compatible open source toolnot Ubiquiti UniFi

Ubiquiti UniFi

No use cases recorded yet. See the Ubiquiti UniFi review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Icinga

  • The free core has no vendor SLA, so production incidents are supported through community channels unless a paid support subscription is purchased
  • Repository access for enterprise Linux distributions like RHEL and SLES is not free, so organisations standardised on those distributions face a real recurring cost most open source monitoring buyers do not expect
  • Enterprise modules are gated behind a separate module subscription, so some functionality demonstrated in marketing material is not part of the free core
  • Self-hosting and operating Icinga requires real Linux and monitoring expertise that a commercial SaaS tool would otherwise absorb, so total cost of ownership includes staff time not captured in the licence price
  • Pricing for the paid subscriptions varies by geographic region and is not published as a single global rate card, complicating budgeting for multinational organisations
  • The web interface and configuration language, while capable, are less immediately polished than a fully commercial tool like PRTG, and initial setup takes longer to reach a usable state

Ubiquiti UniFi

  • Product page states no licensing fees but publishes no hardware price; buyers must go to the Ubiquiti Store or an authorized distributor for a figure
  • Newest WiFi 7 access points such as the U7 Pro require compatible UniFi controller hardware or cloud console to manage centrally

Pricing, plan by plan

Icinga

Free
  • IcingaFree
    • Unlimited hosts and services
    • Clustering and API
    • Community support
  • Support Subscription$undefined/year
    • Professional support (8x5 or 24/7)
    • Includes module and repository subscriptions

Ubiquiti UniFi

On request

No published plan breakdown. See the Ubiquiti UniFi review.

Which should you pick?

Choose Icinga if

  • You need forever free core.
  • You want to start without paying.
  • You work on Linux, Web.
  • You also want clustering and ha.
Icinga review

Choose Ubiquiti UniFi if

Nothing in the data separates Ubiquiti UniFi from Icinga on the points above - pick on price and on how each one feels to use.

Ubiquiti UniFi review

Questions people ask

Is Icinga or Ubiquiti UniFi better?
Neither clearly leads. Icinga starts at Free and Ubiquiti UniFi at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Icinga or Ubiquiti UniFi?
Icinga has a free tier; the other does not. Paid plans start at Free for Icinga and On request for Ubiquiti UniFi.
Does Icinga or Ubiquiti UniFi run on more platforms?
Icinga runs on Linux, Web. Ubiquiti UniFi runs on Web.
Can I use Icinga for free?
Yes. Icinga has a free tier, so you can try it without paying. Ubiquiti UniFi starts at On request.
What is Icinga best used for?
Icinga is most often used for an it team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard linux distributions, an organisation on rhel or sles that wants officially packaged icinga builds via the repository subscription rather than building from source, a team wanting an sla-backed vendor support relationship rather than relying on community forums for a production monitoring system, a company already invested in prometheus and grafana wanting to add host and service-level alerting from a compatible open source tool. Of those, an it team wanting unlimited-scale open source monitoring with no per-host licence fee, running standard linux distributions and an organisation on rhel or sles that wants officially packaged icinga builds via the repository subscription rather than building from source are not what Ubiquiti UniFi is typically brought in for.
What can Icinga do that Ubiquiti UniFi cannot?
Icinga covers Forever Free core, Clustering and HA, Icinga Web and API, Enterprise modules (paid).

Answered from the vendors’ own pages

Icinga: Is Icinga free to run in production?

Yes, the core platform has no licence fee and no limit on hosts or services monitored.

Icinga: What do the paid subscriptions actually add?

A repository subscription provides packages for certain enterprise Linux distributions, a module subscription unlocks enterprise-only add-on modules, and a support subscription bundles both with professional support.

Icinga: Is Icinga related to Nagios?

Yes, it originated as a fork of Nagios but has since diverged into an independently developed platform.

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