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Houdini vs Unity

Houdini logo

Houdini

Software

Procedural 3D animation and VFX

From
Free
Rated
-
Full reviewWebsite
Unity logo

Unity

Software

Create beautiful interactive content with the world's leading real-time engine

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 unity Personal is free only for businesses with under $200,000 in funding or annual revenue; above that a Pro subscription is required
  • They diverge on capability: Houdini covers Procedural modeling, Unity covers Visual editor.

Where they differ

Only the attributes on which Houdini and Unity actually diverge.

Attributes where Houdini and Unity differ
AttributeHoudiniUnity
Pricing modelsubscriptionfreemium
PlatformsWindows, MacOS, LinuxWindows, Macos, Linux, Ios, Android, Webgl
Founded19872004

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

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

Only in Unity

  • Visual editor
  • Physics engine (PhysX)
  • Animation system
  • Particle system
  • Built-in audio engine
  • Scripting with C#
  • Asset Store
  • Version control integration

Both cover

  • Maya

What people use each for

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

Houdini

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

Unity

  • Building 2D and 3D games for desktop, mobile, web, AR and VRnot Houdini
  • Shipping console titles under a Pro or Enterprise licencenot Houdini
  • Real time 3D for manufacturing, automotive and retail visualisationnot Houdini
  • Live operations and in-app purchase management for mobile gamesnot 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

  • Unity Personal is free only for businesses with under $200,000 in funding or annual revenue; above that a Pro subscription is required
  • Unity Pro costs $210.00 per month or $2,310.00 per year per seat
  • Businesses with more than $25M in annual revenue are required to be on Unity Enterprise, which is custom priced and requires contacting sales
  • Deploying to game consoles and to Apple Vision Pro requires Unity Pro or above
  • Splash screen customization is not available on Unity Personal
  • Unity Personal is licensed for gaming and entertainment applications only
  • Read-only engine source code access is an Enterprise feature and carries an additional cost
  • Asset Manager storage on Personal is capped at 10 GB per organization
  • Unity AI tools are free for a 14 day trial on Personal, after which a paid subscription is required
  • Enterprise terms note that minimum subscription or spending commitments may apply

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

Free
  • PersonalFree
    • Full engine access
    • Asset Store access
    • Community support
  • Professional$399/month
    • All Personal features
    • Priority support
    • Advanced analytics

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 if

  • You need visual editor.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Ios, Android, Webgl.
  • You also want physics engine (physx).
Unity review

Questions people ask

Is Houdini or Unity better?
Neither clearly leads. Houdini starts at Free and Unity at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Houdini or Unity?
Houdini starts at Free and Unity at Free.
Does Houdini or Unity run on more platforms?
Houdini runs on Windows, MacOS, Linux. Unity runs on Windows, Macos, Linux, Ios, Android, Webgl.
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 is typically brought in for.
What can Houdini do that Unity cannot?
Houdini covers Procedural modeling, VFX, Simulations, Particle systems. Unity covers Visual editor, Physics engine (PhysX), Animation system, Particle system. Both handle Maya.
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