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AR VR · head to head

Three.js vs VRChat

Three.js logo

Three.js

AR VR

JavaScript 3D library for WebGL and WebXR

From
Free
Rated
-
Full reviewWebsite
VRChat logo

VRChat

AR VR

Social VR platform with user-created worlds

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Three.js forward rendering pipeline only, no deferred rendering support; VRChat vRChat Plus subscriptions are sold only through Steam and the Meta Quest Store, and the FAQ states neither platform permits refunds after purchase: "VRChat does not offer refunds for subscriptions after they are purchased."
  • They diverge on capability: Three.js covers WebGL rendering, VRChat covers User-created worlds.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Three.js and VRChat actually diverge.

Attributes where Three.js and VRChat differ
AttributeThree.jsVRChat
Pricing modelfreefreemium
PlatformsWeb, macOS, Windows, Linux, iOS, AndroidVr, Pc, Quest
Founded20102014

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

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 Three.js

  • WebGL rendering
  • Scene graph
  • Materials system
  • Animation system
  • WebXR
  • Post-processing
  • Physics
  • Loaders

Only in VRChat

  • User-created worlds
  • Custom avatars
  • Social features
  • Cross-platform
  • Unity SDK
  • Blender
  • Avatar systems
  • Vr support

What people use each for

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

Three.js

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

VRChat

  • Social VR world building and avatar based hangouts, with VRChat Plus as an optional $9.99 per month or $99.99 per year subscription for enhanced featuresnot Three.js

Where each one falls short

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

Three.js

  • Forward rendering pipeline only, no deferred rendering support
  • No built-in collision detection or spatial indexing, requiring external physics libraries
  • WebGL dependency means no support for non-WebGL environments

VRChat

  • VRChat Plus subscriptions are sold only through Steam and the Meta Quest Store, and the FAQ states neither platform permits refunds after purchase: "VRChat does not offer refunds for subscriptions after they are purchased."

Pricing, plan by plan

Three.js

Free
  • FreeFree
    • Full library
    • WebXR module
    • Examples

VRChat

Free
  • FreeFree
    • Full access
    • Avatar uploads
    • World creation

Which should you pick?

Choose Three.js if

  • You need webgl rendering.
  • You want to start without paying.
  • You work on Web, macOS, Windows, Linux, iOS, Android.
  • You also want scene graph.
Three.js review

Choose VRChat if

  • You need user-created worlds.
  • You want to start without paying.
  • You work on Vr, Pc, Quest.
  • You also want custom avatars.
VRChat review

Questions people ask

Is Three.js or VRChat better?
Neither clearly leads. Three.js starts at Free and VRChat at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Three.js or VRChat?
Three.js starts at Free and VRChat at Free.
Does Three.js or VRChat run on more platforms?
Three.js runs on Web, macOS, Windows, Linux, iOS, Android. VRChat runs on Vr, Pc, Quest.
Can I use Three.js for free?
Both have a free tier, so you can try either at no cost before committing.
What is Three.js best used for?
Three.js is most often used for vr gaming, ar marketing, virtual training, 3d visualization. Of those, vr gaming and ar marketing are not what VRChat is typically brought in for.
What can Three.js do that VRChat cannot?
Three.js covers WebGL rendering, Scene graph, Materials system, Animation system. VRChat covers User-created worlds, Custom avatars, Social features, Cross-platform.

Answered from the vendors’ own pages

Three.js: Is Three.js free to use?

Yes. Three.js is released under the MIT license, an open-source license that permits unlimited commercial and personal use with no licensing fees.

Source
VRChat: How much does it cost to use VRChat?

VRChat is free to play on all platforms. The platform is available free on PC, PCVR, Meta Quest, Pico, iOS, and Android.

Source
Three.js: Does Three.js include physics simulation?

No. Three.js is a rendering library only. Physics, collision detection, and spatial indexing must be implemented with external libraries like Rapier, Ammo, or JoltPhysics.

Source
VRChat: Is there a paid subscription option for VRChat?

Yes, VRChat offers a VRC+ subscription tier for users who want additional features.

Source
Three.js: Can I use Three.js for offline development?

Yes. Local development requires a local web server for CORS compliance. You can use npm with a build tool like Vite, or run a local Python server for development.

Source
VRChat: Can I purchase cosmetics in VRChat?

Yes, VRChat has an Avatar Marketplace where users can purchase avatars and cosmetics.

Source
Three.js: Does Three.js support WebXR for VR/AR?

Yes. Three.js documentation includes WebXR APIs for building VR and AR experiences in web browsers.

Source
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