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OpenHAB vs TP-Link Kasa

OpenHAB logo

OpenHAB

Smart Home

Open source automation software for your home

From
Free
Rated
-
Full reviewWebsite
TP-Link Kasa logo

TP-Link Kasa

Smart Home

Affordable smart home devices with easy setup

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OpenHAB requires a 64-bit Java 21 JVM to be installed and maintained separately; TP-Link Kasa plus plan only covers one camera per subscription
  • They diverge on capability: OpenHAB covers Vendor Agnostic, TP-Link Kasa covers Affordable.
  • Prices and features above were last checked on 30 August 2026.

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
Pricing modelopen-sourcefreemium
PlatformsLinux, Windows, MacOS, Docker, Raspberry PiIOS, Android, Web
Founded20101996

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Smart Home).

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

  • Home security camera recording and playbacknot OpenHAB
  • Smart home automation monitoringnot OpenHAB
  • Pet and baby monitoringnot OpenHAB
  • Outdoor property surveillancenot 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

  • Plus plan only covers one camera per subscription
  • No free trial mentioned for paid tiers
  • Premium plan requires annual commitment discount to reach $100/year pricing
  • Video retention limited to 30 days even on paid plans

Pricing, plan by plan

OpenHAB

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

TP-Link Kasa

Free
  • Free TierFree
    • Live streaming
    • Push-to-talk
    • Activity zones
  • Plus$3/month
    • 30 days of video history
    • Manual clip recording
    • Video sharing
  • Premium$10/month
    • Covers up to 10 cameras
    • All Plus features
    • Snapshots with alerts

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 want to start without paying.
  • 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 Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenHAB or TP-Link Kasa?
OpenHAB starts at Free and TP-Link Kasa at Free.
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?
Both have a free tier, so you can try either at no cost before committing.
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.

Answered from the vendors’ own pages

OpenHAB: How much does openHAB cost?

openHAB is 100% open source and completely free to download, install, and use across all supported platforms.

Source
TP-Link Kasa: Does Kasa Care offer a free plan?

Yes, Kasa's free tier includes live streaming, push-to-talk, activity zones, and activity notifications at no cost.

Source
OpenHAB: Are there any subscription fees for openHAB?

No, openHAB has no subscription fees. The software is free and released under an open source license for unlimited use.

Source
TP-Link Kasa: What's the difference between Kasa Plus and Premium?

Plus costs $3/month and provides 30 days of video history per camera. Premium costs $10/month and covers up to 10 cameras with all Plus features. Premium is billed at $100/year vs Plus at $30/year per camera.

Source
OpenHAB: How can I support openHAB?

While openHAB is free to use, the project accepts voluntary donations through the openHAB Foundation to support development and maintenance.

Source
TP-Link Kasa: Can Premium cover all my cameras?

Yes, Kasa Premium covers up to 10 cameras under one $10/month subscription, making it more economical than Plus for multiple devices.

Source
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