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Game Development · head to head

Fyrox vs Three.js

Fyrox logo

Fyrox

Game Development

Feature-rich 3D game engine written in Rust

From
Free
Rated
-
Full reviewWebsite
Three.js logo

Three.js

AR VR

JavaScript 3D library for WebGL and WebXR

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Fyrox no pricing published; product is open-source and free; Three.js forward rendering pipeline only, no deferred rendering support
  • They diverge on capability: Fyrox covers Scene editor, Three.js covers WebGL rendering.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Fyrox and Three.js differ
AttributeFyroxThree.js
PlatformsWindows, Macos, Linux, WebglWeb, macOS, Windows, Linux, iOS, Android
CategoryGame DevelopmentAR VR
Founded20192010

Identical on both: starting price (Free), pricing model (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 Fyrox

  • Scene editor
  • 3D/2D rendering
  • Physics (Rapier)
  • Sound engine
  • UI framework
  • Navmesh
  • Particle systems
  • Rapier physics

Only in Three.js

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

Both cover

  • Animation system
  • Webgl support

What people use each for

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

Fyrox

  • 3D game developmentnot Three.js
  • 2D gamesnot Three.js
  • Simulationnot Three.js
  • Prototypingnot Three.js

Three.js

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

Where each one falls short

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

Fyrox

  • No pricing published; product is open-source and free

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

Pricing, plan by plan

Fyrox

Free
  • Open SourceFree
    • Full engine access
    • Scene editor
    • Physics integration

Three.js

Free
  • FreeFree
    • Full library
    • WebXR module
    • Examples

Which should you pick?

Choose Fyrox if

  • You need scene editor.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Webgl.
  • You also want 3d/2d rendering.
Fyrox review

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

Questions people ask

Is Fyrox or Three.js better?
Neither clearly leads. Fyrox starts at Free and Three.js at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fyrox or Three.js?
Fyrox starts at Free and Three.js at Free.
Does Fyrox or Three.js run on more platforms?
Fyrox runs on Windows, Macos, Linux, Webgl. Three.js runs on Web, macOS, Windows, Linux, iOS, Android.
Can I use Fyrox for free?
Both have a free tier, so you can try either at no cost before committing.
What is Fyrox best used for?
Fyrox is most often used for 3d game development, 2d games, simulation, prototyping. Of those, 3d game development and 2d games are not what Three.js is typically brought in for.
What can Fyrox do that Three.js cannot?
Fyrox covers Scene editor, 3D/2D rendering, Physics (Rapier), Sound engine. Three.js covers WebGL rendering, Scene graph, Materials system, WebXR. Both handle Animation system, Webgl support.

Answered from the vendors’ own pages

Fyrox: How much does Fyrox Engine cost?

Fyrox is a free, open-source game engine built in Rust. There are no pricing tiers, subscription fees, or commercial licensing costs. The engine is available to download and use at no cost.

Source
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
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
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
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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