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OpenHAB vs TP-Link Kasa

OpenHAB logo

OpenHAB

Software

Open source automation software for your home

From
Free
Rated
-
Full reviewWebsite
TP-Link Kasa logo

TP-Link Kasa

Software

Affordable smart home devices with easy setup

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only OpenHAB has a free tier, so it costs nothing to try first.
  • Each has a real cost: OpenHAB requires a 64-bit Java 21 JVM to be installed and maintained separately; TP-Link Kasa devices are sold individually rather than as a subscription, for example the Smart Video Doorbell Camera costs 49.99 USD and the 4-pack Smart Light Bulb costs 39.99 USD
  • They diverge on capability: OpenHAB covers Vendor Agnostic, TP-Link Kasa covers Affordable.

Where they differ

Only the attributes on which OpenHAB and TP-Link Kasa actually diverge.

Attributes where OpenHAB and TP-Link Kasa differ
AttributeOpenHABTP-Link Kasa
Starting priceFreeOn request
Pricing modelopen-sourceone-time
Free tierYesNo
PlatformsLinux, Windows, MacOS, Docker, Raspberry PiIOS, Android, Web
Founded20101996

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

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 OpenHAB

  • Vendor Agnostic
  • Rule Engine
  • 200+ Bindings
  • Local Processing
  • Z-Wave
  • Zigbee
  • MQTT
  • REST API

Only in TP-Link Kasa

  • Affordable
  • No Hub Required
  • Energy Monitoring
  • Scheduling
  • Alexa
  • Google Home
  • SmartThings
  • IFTTT

What people use each for

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

OpenHAB

  • Self-hosted vendor neutral home automation hubnot TP-Link Kasa
  • Bridging smart home devices from different manufacturers under one set of rulesnot TP-Link Kasa

TP-Link Kasa

  • Energy monitoringnot OpenHAB
  • Automationnot OpenHAB
  • Voice controlnot OpenHAB
  • Budget smart homenot OpenHAB

Where each one falls short

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

OpenHAB

  • Requires a 64-bit Java 21 JVM to be installed and maintained separately
  • Oracle Java is explicitly not recommended by the project because of potential licensing restrictions
  • The recommended hardware is a dedicated Raspberry Pi 4 or newer rather than shared hardware
  • Some version upgrades require additional manual steps run through a separate upgrade tool

TP-Link Kasa

  • Devices are sold individually rather than as a subscription, for example the Smart Video Doorbell Camera costs 49.99 USD and the 4-pack Smart Light Bulb costs 39.99 USD

Pricing, plan by plan

OpenHAB

Free
  • Community EditionFree
    • Unlimited devices
    • 200+ bindings
    • Local control

TP-Link Kasa

On request
  • Smart Plug$10/month
    • WiFi
    • Voice control
    • Scheduling
  • Smart Switch$20/month
    • In-wall installation
    • Dimming
    • 3-way support

Which should you pick?

Choose OpenHAB if

  • You need vendor agnostic.
  • You want to start without paying.
  • You work on Linux, Windows, MacOS, Docker, Raspberry Pi.
  • You also want rule engine.
OpenHAB review

Choose TP-Link Kasa if

  • You need affordable.
  • You work on IOS, Android, Web.
  • You also want no hub required.
TP-Link Kasa review

Questions people ask

Is OpenHAB or TP-Link Kasa better?
Neither clearly leads. OpenHAB starts at Free and TP-Link Kasa at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenHAB or TP-Link Kasa?
OpenHAB has a free tier; the other does not. Paid plans start at Free for OpenHAB and On request for TP-Link Kasa.
Does OpenHAB or TP-Link Kasa run on more platforms?
OpenHAB runs on Linux, Windows, MacOS, Docker, Raspberry Pi. TP-Link Kasa runs on IOS, Android, Web.
Can I use OpenHAB for free?
Yes. OpenHAB has a free tier, so you can try it without paying. TP-Link Kasa starts at On request.
What is OpenHAB best used for?
OpenHAB is most often used for self-hosted vendor neutral home automation hub, bridging smart home devices from different manufacturers under one set of rules. Of those, self-hosted vendor neutral home automation hub and bridging smart home devices from different manufacturers under one set of rules are not what TP-Link Kasa is typically brought in for.
What can OpenHAB do that TP-Link Kasa cannot?
OpenHAB covers Vendor Agnostic, Rule Engine, 200+ Bindings, Local Processing. TP-Link Kasa covers Affordable, No Hub Required, Energy Monitoring, Scheduling.
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