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Networking · head to head

OPNsense vs Ubiquiti UniFi

OPNsense logo

OPNsense

Networking

FreeBSD-based firewall and routing platform with weekly updates and a full configuration API

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 OPNsense has a free tier, so it costs nothing to try first.
  • Each has a real cost: OPNsense throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.; 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 30 August 2026.

Where they differ

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

Attributes where OPNsense and Ubiquiti UniFi differ
AttributeOPNsenseUbiquiti UniFi
Starting priceFreeOn request
Pricing modelOpen source, no licence feeone-time
Free tierYesNo
Platformsx86-64 appliances, Virtual machines, Deciso hardwareWeb

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 OPNsense

  • Stateful firewall on pf
  • VPN suite
  • Suricata IDS and IPS
  • Full configuration API
  • High availability
  • Weekly update cadence

Only in Ubiquiti UniFi

Nothing recorded that OPNsense does not also cover.

What people use each for

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

OPNsense

  • Replacing a small business firewall appliance whose renewal quote exceeded the cost of the hardwarenot Ubiquiti UniFi
  • Branch offices where the firewall configuration must be produced by Ansible rather than by handnot Ubiquiti UniFi
  • Sites that need WireGuard and intrusion prevention on the same box without separate feature licencesnot Ubiquiti UniFi
  • A homelab or lab network needing VLAN routing, multi-WAN and DNS filtering on one machinenot 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.

OPNsense

  • Throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.
  • The weekly update cadence is good for security but means more change events than a team used to annual appliance firmware, and occasional regressions reach production installations.
  • FreeBSD underneath limits driver support compared with Linux, so recent network cards and some virtualisation drivers can be unsupported or slow.
  • The plugin ecosystem is uneven in quality; some plugins are maintained by a single contributor and can lag a major release, breaking a function you depended on.
  • Community support is a forum, so an outage at two in the morning on the free edition is your problem alone unless you bought the business subscription in advance.

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

OPNsense

Free
  • OPNsense Community EditionFree
    • MIT licence with no feature restrictions
    • All VPN, IDS and HA features included
    • Weekly updates and two major releases a year
  • OPNsense Business Edition$undefined/year
    • Stabilised update track lagging community releases
    • Commercial support from Deciso
    • Additional enterprise plugins and configuration backup

Ubiquiti UniFi

On request

No published plan breakdown. See the Ubiquiti UniFi review.

Which should you pick?

Choose OPNsense if

  • You need stateful firewall on pf.
  • You want to start without paying.
  • You work on x86-64 appliances, Virtual machines, Deciso hardware.
  • You also want vpn suite.
OPNsense review

Choose Ubiquiti UniFi if

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

Ubiquiti UniFi review

Questions people ask

Is OPNsense or Ubiquiti UniFi better?
Neither clearly leads. OPNsense 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, OPNsense or Ubiquiti UniFi?
OPNsense has a free tier; the other does not. Paid plans start at Free for OPNsense and On request for Ubiquiti UniFi.
Does OPNsense or Ubiquiti UniFi run on more platforms?
OPNsense runs on x86-64 appliances, Virtual machines, Deciso hardware. Ubiquiti UniFi runs on Web.
Can I use OPNsense for free?
Yes. OPNsense has a free tier, so you can try it without paying. Ubiquiti UniFi starts at On request.
What is OPNsense best used for?
OPNsense is most often used for replacing a small business firewall appliance whose renewal quote exceeded the cost of the hardware, branch offices where the firewall configuration must be produced by ansible rather than by hand, sites that need wireguard and intrusion prevention on the same box without separate feature licences, a homelab or lab network needing vlan routing, multi-wan and dns filtering on one machine. Of those, replacing a small business firewall appliance whose renewal quote exceeded the cost of the hardware and branch offices where the firewall configuration must be produced by ansible rather than by hand are not what Ubiquiti UniFi is typically brought in for.
What can OPNsense do that Ubiquiti UniFi cannot?
OPNsense covers Stateful firewall on pf, VPN suite, Suricata IDS and IPS, Full configuration API.

Answered from the vendors’ own pages

OPNsense: How is it different from pfSense?

It is a 2015 fork with an MIT licence, a fixed weekly release cadence, a complete configuration API and a different interface. Feature coverage is comparable; the release process and API are the real differences.

OPNsense: Do I need the Business Edition?

Only if you want commercial support or a slower, stabilised update stream. No features are withheld from the community edition.

OPNsense: Can it handle a gigabit internet connection?

Plain firewalling on modest current hardware, comfortably. With Suricata inspection enabled, expect to need a considerably stronger CPU.

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