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Houdini vs Unity AR Foundation

Houdini logo

Houdini

3D & CAD

Procedural 3D animation and VFX

From
Free
Rated
-
Full reviewWebsite
Unity AR Foundation logo

Unity AR Foundation

AR/VR & Metaverse

Unified AR development framework for Unity

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Houdini houdini Indie at $299 per year requires annual gross revenue under $100K USD; Unity AR Foundation requires platform-specific plugins (ARCore, ARKit) to actually implement AR features
  • They diverge on capability: Houdini covers Procedural modeling, Unity AR Foundation covers Plane detection.

Where they differ

Only the attributes on which Houdini and Unity AR Foundation actually diverge.

Attributes where Houdini and Unity AR Foundation differ
AttributeHoudiniUnity AR Foundation
Pricing modelsubscriptionUnknown
PlatformsWindows, MacOS, LinuxiOS, Android, visionOS, HoloLens 2, Meta Quest, Unity Editor
Category3D & CADAR/VR & Metaverse
Founded19872004

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 Houdini

  • Procedural modeling
  • VFX
  • Simulations
  • Particle systems
  • Pyro FX
  • Ocean tools
  • Rigging
  • Rendering

Only in Unity AR Foundation

  • Plane detection
  • Image tracking
  • Face tracking
  • Point clouds
  • ARKit
  • ARCore
  • OpenXR
  • Magic Leap

What people use each for

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

Houdini

  • Procedural 3D modelling and environment generationnot Unity AR Foundation
  • Visual effects simulation for pyro, fluids, cloth and rigid bodiesnot Unity AR Foundation
  • Building reusable procedural assets for a studio pipelinenot Unity AR Foundation

Unity AR Foundation

  • VR Gamingnot Houdini
  • AR Marketingnot Houdini
  • Virtual Trainingnot Houdini
  • 3D Visualizationnot Houdini
  • Immersive Experiencesnot Houdini

Where each one falls short

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

Houdini

  • Houdini Indie at $299 per year requires annual gross revenue under $100K USD
  • Houdini Indie cannot be used in the same pipeline as commercial versions of Houdini
  • Houdini Indie and Apprentice save to their own .hipnc file format, which commercial Houdini pipelines do not share
  • The free Apprentice edition is non commercial, caps render resolution at 1920x1080 and watermarks output images
  • Houdini Indie ships with only 2 render tokens
  • Full DOP level simulation node access requires Houdini FX at $4,495 per workstation; Core at $1,995 exposes only SOP level pre built simulation assets
  • Extra render tokens cost $195

Unity AR Foundation

  • Requires platform-specific plugins (ARCore, ARKit) to actually implement AR features
  • Performance varies significantly by device, with battery drain and heat generation on mobile
  • Emulators cannot accurately test AR experiences due to missing camera and sensor data
  • No WebXR support for browser-based AR experiences
  • Occlusion features show lower performance at 25-40 FPS compared to other features at 40-60 FPS
  • Limited access to latest platform-specific features compared to native ARKit or ARCore

Pricing, plan by plan

Houdini

Free
  • ApprenticeFree
    • Learning version
    • Non-commercial
  • Indie$269/month
    • Revenue limit $100K
  • Core$1995/month
    • Full commercial
  • FX$4495/month
    • Full + simulations

Unity AR Foundation

Free
  • Included with Unity PersonalFree
    • Free for individuals and small teams with under $200K revenue/funding
    • AR Foundation package included
    • Access to all core AR features
  • Included with Unity Pro$185/month
    • Professional tier licensing
    • AR Foundation package included
    • All core AR features plus Pro-level support

Which should you pick?

Choose Houdini if

  • You need procedural modeling.
  • You want to start without paying.
  • You work on Windows, MacOS, Linux.
  • You also want vfx.
Houdini review

Choose Unity AR Foundation if

  • You need plane detection.
  • You want to start without paying.
  • You work on iOS, Android, visionOS, HoloLens 2, Meta Quest, Unity Editor.
  • You also want image tracking.
Unity AR Foundation review

Questions people ask

Is Houdini or Unity AR Foundation better?
Neither clearly leads. Houdini starts at Free and Unity AR Foundation at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Houdini or Unity AR Foundation?
Houdini starts at Free and Unity AR Foundation at Free.
Does Houdini or Unity AR Foundation run on more platforms?
Houdini runs on Windows, MacOS, Linux. Unity AR Foundation runs on iOS, Android, visionOS, HoloLens 2, Meta Quest, Unity Editor.
Can I use Houdini for free?
Both have a free tier, so you can try either at no cost before committing.
What is Houdini best used for?
Houdini is most often used for procedural 3d modelling and environment generation, visual effects simulation for pyro, fluids, cloth and rigid bodies, building reusable procedural assets for a studio pipeline. Of those, procedural 3d modelling and environment generation and visual effects simulation for pyro, fluids, cloth and rigid bodies are not what Unity AR Foundation is typically brought in for.
What can Houdini do that Unity AR Foundation cannot?
Houdini covers Procedural modeling, VFX, Simulations, Particle systems. Unity AR Foundation covers Plane detection, Image tracking, Face tracking, Point clouds.

Answered from the vendors’ own pages

Unity AR Foundation: Is Unity AR Foundation free?

Yes, AR Foundation is free and included with Unity. It is a package within the Unity engine, though you need a Unity license (available free for personal use with under $200K revenue).

Source
Unity AR Foundation: What platforms does AR Foundation support?

AR Foundation supports iOS (via ARKit), Android (via ARCore), visionOS, HoloLens 2 (via OpenXR), and Meta Quest (via OpenXR). Testing in the Unity Editor is available through XR Simulation.

Source
Unity AR Foundation: Do I need additional plugins to use AR Foundation?

Yes. AR Foundation is an abstraction layer and requires platform-specific plugins: ARCore XR Plugin for Android and ARKit XR Plugin for iOS. These plugins implement actual AR features using native SDKs.

Source
Unity AR Foundation: Can I test AR experiences in the Unity Editor?

AR Foundation supports XR Simulation in the Editor for early testing, but accurate AR testing requires real devices because emulators cannot replicate camera and sensor data accurately.

Source
Unity AR Foundation: Does AR Foundation support web-based AR?

No, AR Foundation does not support WebXR. Unity has stated there are no current plans to add WebXR support to AR Foundation. Web AR requires alternative solutions like 8th Wall.

Source
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