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AR/VR & Metaverse · head to head

A-Frame vs Unity

A-Frame logo

A-Frame

AR/VR & Metaverse

Web framework for building VR experiences

From
Free
Rated
-
Full reviewWebsite
Unity logo

Unity

Game Development

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: A-Frame requires WebXR-capable browser; not supported on older browsers or devices without WebXR implementation; 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: A-Frame covers Declarative HTML, Unity covers Visual editor.

Where they differ

Only the attributes on which A-Frame and Unity actually diverge.

Attributes where A-Frame and Unity differ
AttributeA-FrameUnity
Pricing modelopen-sourcefreemium
PlatformsWeb (via WebXR), VR headsets, AR-capable mobile devicesWindows, Macos, Linux, Ios, Android, Webgl
CategoryAR/VR & MetaverseGame Development
Founded20152004

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 A-Frame

  • Declarative HTML
  • Entity-component system
  • WebXR support
  • Cross-platform
  • Three.js
  • AR.js
  • Physics engines
  • Networking

Only in Unity

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

What people use each for

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

A-Frame

  • Virtual reality web experiencesnot Unity
  • Augmented reality applicationsnot Unity
  • 3D web visualisationsnot Unity
  • Interactive 3D content for web browsersnot Unity

Unity

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

Where each one falls short

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

A-Frame

  • Requires WebXR-capable browser; not supported on older browsers or devices without WebXR implementation

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

A-Frame

Free

No published plan breakdown. See the A-Frame review.

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 A-Frame if

  • You need declarative html.
  • You want to start without paying.
  • You work on Web (via WebXR), VR headsets, AR-capable mobile devices.
  • You also want entity-component system.
A-Frame 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 A-Frame or Unity better?
Neither clearly leads. A-Frame 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, A-Frame or Unity?
A-Frame starts at Free and Unity at Free.
Does A-Frame or Unity run on more platforms?
A-Frame runs on Web (via WebXR), VR headsets, AR-capable mobile devices. Unity runs on Windows, Macos, Linux, Ios, Android, Webgl.
Can I use A-Frame for free?
Both have a free tier, so you can try either at no cost before committing.
What is A-Frame best used for?
A-Frame is most often used for virtual reality web experiences, augmented reality applications, 3d web visualisations, interactive 3d content for web browsers. Of those, virtual reality web experiences and augmented reality applications are not what Unity is typically brought in for.
What can A-Frame do that Unity cannot?
A-Frame covers Declarative HTML, Entity-component system, WebXR support, Cross-platform. Unity covers Visual editor, Physics engine (PhysX), Animation system, Particle system.
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