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AR VR · head to head

Babylon.js vs Gravity Sketch

Babylon.js logo

Babylon.js

AR VR

Powerful 3D engine for the web with WebXR

From
Free
Rated
-
Full reviewWebsite
Gravity Sketch logo

Gravity Sketch

AR VR

VR 3D design tool

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Babylon.js javaScript-only framework; requires developer expertise to implement and maintain; Gravity Sketch free plan limited to 150MB cloud storage and 3 simultaneous users per room
  • They diverge on capability: Babylon.js covers WebGL/WebGPU rendering, Gravity Sketch covers VR design.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Babylon.js and Gravity Sketch actually diverge.

Attributes where Babylon.js and Gravity Sketch differ
AttributeBabylon.jsGravity Sketch
Pricing modelUnknownfreemium
PlatformsWeb, Native (via Babylon Native Runtime), React NativeVR (Meta Quest, Steam, Web)
Founded19752014

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 Babylon.js

  • WebGL/WebGPU rendering
  • Physics engines
  • GUI system
  • Node material editor
  • WebXR
  • glTF
  • Havok physics
  • Azure

Only in Gravity Sketch

  • VR design
  • Desktop app
  • Surface modeling
  • Collaboration
  • Import/export
  • Presentation mode
  • Rhino
  • Alias

What people use each for

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

Babylon.js

  • Web 3D rendering engine for games, e-commerce product configuration, and interactive experiencesnot Gravity Sketch
  • Cross-platform 3D development with native runtime and React Native supportnot Gravity Sketch

Gravity Sketch

  • Spatial 3D design and conceptualisation in VRnot Babylon.js
  • Collaborative product design sessionsnot Babylon.js
  • Conceptual model generationnot Babylon.js
  • Engineering and design team collaboration in immersive environmentnot Babylon.js

Where each one falls short

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

Babylon.js

  • JavaScript-only framework; requires developer expertise to implement and maintain

Gravity Sketch

  • Free plan limited to 150MB cloud storage and 3 simultaneous users per room
  • File format support limited to OBJ and STL on free plan; other formats require paid plan
  • Evaluation tools (surface contours, viewpoints, section tool) not available on free tier
  • VR access requires Meta Quest, Steam, or web app; limited to specific platforms
  • Data localisation only available on Enterprise plan

Pricing, plan by plan

Babylon.js

Free

No published plan breakdown. See the Babylon.js review.

Gravity Sketch

Free
  • FreeFree
    • Core creation tools: sketching, surfacing, geometry
    • 150MB cloud storage
    • Up to 3 collaborators per room
  • Plus$undefined/mo
    • Full access to creation and evaluation tools
    • Unlimited imports/exports of all formats
    • 3GB cloud storage
  • Team$null/mo
    • 10GB cloud storage per user
    • 10+ people simultaneously in rooms
    • Organization space and user management
  • Enterprise$null/mo
    • All Team features
    • Data localization, backup, security logs
    • Dedicated account manager

Which should you pick?

Choose Babylon.js if

  • You need webgl/webgpu rendering.
  • You want to start without paying.
  • You work on Web, Native (via Babylon Native Runtime), React Native.
  • You also want physics engines.
Babylon.js review

Choose Gravity Sketch if

  • You need vr design.
  • You want to start without paying.
  • You work on VR (Meta Quest, Steam, Web).
  • You also want desktop app.
Gravity Sketch review

Questions people ask

Is Babylon.js or Gravity Sketch better?
Neither clearly leads. Babylon.js starts at Free and Gravity Sketch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Babylon.js or Gravity Sketch?
Babylon.js starts at Free and Gravity Sketch at Free.
Does Babylon.js or Gravity Sketch run on more platforms?
Babylon.js runs on Web, Native (via Babylon Native Runtime), React Native. Gravity Sketch runs on VR (Meta Quest, Steam, Web).
Can I use Babylon.js for free?
Both have a free tier, so you can try either at no cost before committing.
What is Babylon.js best used for?
Babylon.js is most often used for web 3d rendering engine for games, e-commerce product configuration, and interactive experiences, cross-platform 3d development with native runtime and react native support. Of those, web 3d rendering engine for games, e-commerce product configuration, and interactive experiences and cross-platform 3d development with native runtime and react native support are not what Gravity Sketch is typically brought in for.
What can Babylon.js do that Gravity Sketch cannot?
Babylon.js covers WebGL/WebGPU rendering, Physics engines, GUI system, Node material editor. Gravity Sketch covers VR design, Desktop app, Surface modeling, Collaboration.

Answered from the vendors’ own pages

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

Yes, Babylon.js is completely free. It is an open-source web rendering engine licensed under the Apache 2.0 license, which is permissive and does not restrict usage.

Source
Gravity Sketch: Is there a free version of Gravity Sketch?

Yes. The Free tier includes core creation tools, sketching, surfacing, geometry, and up to 3 collaborators with 150MB cloud storage. No credit card required.

Source
Babylon.js: Can I use Babylon.js for commercial purposes?

Yes, the Apache 2.0 license permits free use for commercial purposes. You can use, modify, and distribute Babylon.js in commercial applications as long as you include a copy of the license and provide notice of significant changes.

Source
Gravity Sketch: What is the difference between Gravity Sketch free and paid tiers?

The Free tier has 150MB storage and 3 collaborators. The Plus tier has 3GB storage, 5 collaborators, and unlimited imports/exports. Team and Enterprise tiers offer 10GB+ storage per user and advanced security features.

Source
Babylon.js: Is there any paid support or commercial version of Babylon.js?

Babylon.js is open source with no paid tiers or commercial version. Community support is available through GitHub and documentation, but there are no official paid support contracts offered.

Source
Gravity Sketch: What file formats does Gravity Sketch support?

Free tier exports only OBJ and USDZ formats. Plus, Team, and Enterprise tiers support unlimited imports and exports across all supported file types.

Source
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