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Smart Home · head to head

OpenHAB vs Polytomic

OpenHAB logo

OpenHAB

Smart Home

Open source automation software for your home

From
Free
Rated
-
Full reviewWebsite
Polytomic logo

Polytomic

Automation Integration

Sync your business logic with data

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; Polytomic pricing begins at $500 a month on the Standard plan
  • They diverge on capability: OpenHAB covers Vendor Agnostic, Polytomic covers No-code syncing.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which OpenHAB and Polytomic actually diverge.

Attributes where OpenHAB and Polytomic differ
AttributeOpenHABPolytomic
Pricing modelopen-sourceusage-based
PlatformsLinux, Windows, MacOS, Docker, Raspberry PiWeb
CategorySmart HomeAutomation Integration
Founded20102021

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

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 Polytomic

  • No-code syncing
  • Bidirectional sync
  • Data transformation
  • Error handling
  • Scheduling
  • Monitoring
  • Analytics
  • 100+ apps

What people use each for

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

OpenHAB

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

Polytomic

  • Syncing data between warehouses, databases, spreadsheets and business appsnot OpenHAB
  • Reverse ETL from a warehouse into operational toolsnot 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

Polytomic

  • Pricing begins at $500 a month on the Standard plan
  • Neither plan publishes a full rate, sync limit or row allowance, and both direct buyers to book a call
  • SSO, on premise deployment and phone support are Enterprise only

Pricing, plan by plan

OpenHAB

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

Polytomic

Free
  • StarterFree
    • Limited syncs
    • Basic support
  • Professional$300/month
    • Unlimited syncs
    • Email support
  • Enterprise$1200/month
    • Advanced features
    • Dedicated 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 Polytomic if

  • You need no-code syncing.
  • You want to start without paying.
  • You also want bidirectional sync.
Polytomic review

Questions people ask

Is OpenHAB or Polytomic better?
Neither clearly leads. OpenHAB starts at Free and Polytomic at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenHAB or Polytomic?
OpenHAB starts at Free and Polytomic at Free.
Does OpenHAB or Polytomic run on more platforms?
OpenHAB runs on Linux, Windows, MacOS, Docker, Raspberry Pi. Polytomic runs on 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 Polytomic is typically brought in for.
What can OpenHAB do that Polytomic cannot?
OpenHAB covers Vendor Agnostic, Rule Engine, 200+ Bindings, Local Processing. Polytomic covers No-code syncing, Bidirectional sync, Data transformation, Error handling.

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
Polytomic: What is Polytomic's minimum monthly cost?

Polytomic Standard tier starts at $500/month for sync capabilities across databases, warehouses, spreadsheets, apps, and APIs with live chat support. Custom pricing available for Enterprise tier. Source: https://www.polytomic.com/pricing

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
Polytomic: Does Polytomic offer on-premises deployment?

Yes. On-premises deployment is available on the Enterprise plan with custom pricing. Includes SSO, dedicated engineer support, and phone support. Source: https://www.polytomic.com/pricing

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
Polytomic: What support does Polytomic Standard tier include?

Polytomic Standard tier ($500/month) includes live chat support for data synchronization questions. Enterprise tier upgrades to dedicated engineer support and phone support. Source: https://www.polytomic.com/pricing

Source
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