Softwr

Game Development · head to head

MonoGame vs Three.js

MonoGame logo

MonoGame

Game Development

Create games using C# and MonoGame

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: MonoGame console targets for PlayStation 4 and 5, Xbox One and Nintendo Switch require platform authorisation rather than being openly available; Three.js forward rendering pipeline only, no deferred rendering support
  • They diverge on capability: MonoGame covers C# language support, Three.js covers WebGL rendering.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where MonoGame and Three.js differ
AttributeMonoGameThree.js
PlatformsWindows, Macos, Linux, Ios, Android, Playstation, XboxWeb, macOS, Windows, Linux, iOS, Android
CategoryGame DevelopmentAR VR
Founded20092010

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 MonoGame

  • C# language support
  • Graphics rendering
  • Audio engine
  • Physics integration
  • Content pipeline
  • Input handling
  • Sprite system
  • 2D and 3D support

Only in Three.js

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

What people use each for

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

MonoGame

  • Cross-platform game development in C# and .NETnot Three.js
  • Shipping to Windows, macOS and Linux from one codebasenot Three.js
  • Mobile releases on Android, iOS and iPadOSnot Three.js
  • Commercial indie titles with no royalty or runtime feenot Three.js

Three.js

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

Where each one falls short

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

MonoGame

  • Console targets for PlayStation 4 and 5, Xbox One and Nintendo Switch require platform authorisation rather than being openly available
  • A code-first framework in C# with no bundled editor or visual scene tooling

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

MonoGame

Free
  • FreeFree
    • Full framework
    • C# support
    • Cross-platform

Three.js

Free
  • FreeFree
    • Full library
    • WebXR module
    • Examples

Which should you pick?

Choose MonoGame if

  • You need c# language support.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Ios, Android, Playstation, Xbox.
  • You also want graphics rendering.
MonoGame 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 MonoGame or Three.js better?
Neither clearly leads. MonoGame 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, MonoGame or Three.js?
MonoGame starts at Free and Three.js at Free.
Does MonoGame or Three.js run on more platforms?
MonoGame runs on Windows, Macos, Linux, Ios, Android, Playstation, Xbox. Three.js runs on Web, macOS, Windows, Linux, iOS, Android.
Can I use MonoGame for free?
Both have a free tier, so you can try either at no cost before committing.
What is MonoGame best used for?
MonoGame is most often used for cross-platform game development in c# and .net, shipping to windows, macos and linux from one codebase, mobile releases on android, ios and ipados, commercial indie titles with no royalty or runtime fee. Of those, cross-platform game development in c# and .net and shipping to windows, macos and linux from one codebase are not what Three.js is typically brought in for.
What can MonoGame do that Three.js cannot?
MonoGame covers C# language support, Graphics rendering, Audio engine, Physics integration. Three.js covers WebGL rendering, Scene graph, Materials system, Animation system.

Answered from the vendors’ own pages

MonoGame: How much does MonoGame cost?

MonoGame is completely free with no subscription model, royalty payments, licensing costs, or runtime fees.

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
MonoGame: What funding model does MonoGame use?

MonoGame Foundation is a non-profit 501(c)(3) organization supported by voluntary community donations rather than user 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
Share

Related pages

More on MonoGame

More on Three.js

Keep looking

Other head to heads