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Networking · head to head

ngrok vs OPNsense

ngrok logo

ngrok

Networking

Reverse tunnel service that gives a local or private service a public URL without opening a firewall

From
Free
Rated
-
Full reviewWebsite
OPNsense logo

OPNsense

Networking

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

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ngrok free HTTP endpoints show a browser interstitial before the page loads, which breaks first impressions in demos and confuses anyone you send the link to.; 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.
  • They diverge on capability: ngrok covers Outbound agent tunnels, OPNsense covers Stateful firewall on pf.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which ngrok and OPNsense actually diverge.

Attributes where ngrok and OPNsense differ
AttributengrokOPNsense
Pricing modelPer user per monthOpen source, no licence fee
PlatformsLinux, macOS, Windows, Docker, Kubernetesx86-64 appliances, Virtual machines, Deciso hardware

Identical on both: starting price (Free), free tier (Yes), 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 ngrok

  • Outbound agent tunnels
  • Static domains
  • Traffic policy
  • Request inspection
  • Kubernetes ingress
  • TCP and TLS endpoints

Only in OPNsense

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

What people use each for

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

ngrok

  • Receiving webhooks from a payment or messaging provider on a laptop during developmentnot OPNsense
  • Demonstrating a work in progress application to someone outside the network without deploying itnot OPNsense
  • Publishing a service inside a private network or Kubernetes cluster without a public load balancernot OPNsense
  • Giving a partner a temporary authenticated endpoint into an internal APInot OPNsense

OPNsense

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

Where each one falls short

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

ngrok

  • Free HTTP endpoints show a browser interstitial before the page loads, which breaks first impressions in demos and confuses anyone you send the link to.
  • All traffic passes through ngrok infrastructure, so you inherit its latency and an ngrok incident takes every published endpoint down at once with no local failover.
  • Pricing is per user seat plus allowances, so a platform team publishing many endpoints ends up buying seats for people who never open the dashboard.
  • Bandwidth is metered on paid tiers, so a workload that quietly grows into serving real traffic produces overage rather than a flat bill.
  • Traffic policy configuration is specific to ngrok, so the authentication and routing logic you accumulate at the edge has to be rebuilt if you later move to a conventional ingress.

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.

Pricing, plan by plan

ngrok

Free
  • FreeFree
    • One static domain
    • HTTP endpoints with a browser interstitial
    • Limited simultaneous connections
  • Personal$undefined/month
    • Removes the interstitial warning page
    • Additional reserved domains
    • TCP endpoints
  • Pro$undefined/month
    • Per user billing with team accounts
    • Traffic policy rules and edge authentication
    • Higher bandwidth allowances
  • Enterprise$undefined/year
    • Custom terms and volume pricing
    • Dedicated capacity options
    • Compliance and audit requirements

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

Which should you pick?

Choose ngrok if

  • You need outbound agent tunnels.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes.
  • You also want static domains.
ngrok review

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

Questions people ask

Is ngrok or OPNsense better?
Neither clearly leads. ngrok starts at Free and OPNsense at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ngrok or OPNsense?
ngrok starts at Free and OPNsense at Free.
Does ngrok or OPNsense run on more platforms?
ngrok runs on Linux, macOS, Windows, Docker, Kubernetes. OPNsense runs on x86-64 appliances, Virtual machines, Deciso hardware.
Can I use ngrok for free?
Both have a free tier, so you can try either at no cost before committing.
What is ngrok best used for?
ngrok is most often used for receiving webhooks from a payment or messaging provider on a laptop during development, demonstrating a work in progress application to someone outside the network without deploying it, publishing a service inside a private network or kubernetes cluster without a public load balancer, giving a partner a temporary authenticated endpoint into an internal api. Of those, receiving webhooks from a payment or messaging provider on a laptop during development and demonstrating a work in progress application to someone outside the network without deploying it are not what OPNsense is typically brought in for.
What can ngrok do that OPNsense cannot?
ngrok covers Outbound agent tunnels, Static domains, Traffic policy, Request inspection. OPNsense covers Stateful firewall on pf, VPN suite, Suricata IDS and IPS, Full configuration API.

Answered from the vendors’ own pages

ngrok: Can I use it in production?

It is sold for that now, with static domains, policy rules and a Kubernetes operator. The question is whether you accept a third party on the traffic path for every request.

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.

ngrok: Why does my free URL show a warning page?

Free HTTP endpoints carry an interstitial. Removing it requires a paid plan, and it is the most common reason people upgrade.

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.

ngrok: Does it work for SSH or a database?

Yes through TCP endpoints, which are a paid feature.

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.

ngrok: What is the self hosted alternative?

A reverse proxy on a server you own with a tunnel back to the service, or one of the self hosted tunnel projects. All of them cost more setup time than the thing they replace.

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