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Gravity Sketch vs Mozilla Hubs

Gravity Sketch logo

Gravity Sketch

AR VR

VR 3D design tool

From
Free
Rated
-
Full reviewWebsite
Mozilla Hubs logo

Mozilla Hubs

AR VR

Open-source social VR platform for the web

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Gravity Sketch free plan limited to 150MB cloud storage and 3 simultaneous users per room; Mozilla Hubs the Internet Archive's capture of Mozilla Hubs' homepage on 31 December 2022 priced the Early Access Hub at $20 USD/month for unlimited spaces, 25 online guest capacity, and 2GB asset storage; the product's own support URL now redirects to a page titled 'end-support-mozilla-hubs', indicating the service has since been discontinued.
  • They diverge on capability: Gravity Sketch covers VR design, Mozilla Hubs covers Browser-based VR.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Gravity Sketch and Mozilla Hubs actually diverge.

Attributes where Gravity Sketch and Mozilla Hubs differ
AttributeGravity SketchMozilla Hubs
PlatformsVR (Meta Quest, Steam, Web)Webvr, Web, Vr, Mobile
Founded20141998

Identical on both: starting price (Free), pricing model (freemium), 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 Gravity Sketch

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

Only in Mozilla Hubs

  • Browser-based VR
  • Room creation
  • Avatar system
  • Spatial audio
  • Spoke editor
  • Custom assets
  • Webhooks
  • Webvr support

What people use each for

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

Gravity Sketch

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

Mozilla Hubs

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

Where each one falls short

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

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

Mozilla Hubs

  • The Internet Archive's capture of Mozilla Hubs' homepage on 31 December 2022 priced the Early Access Hub at $20 USD/month for unlimited spaces, 25 online guest capacity, and 2GB asset storage; the product's own support URL now redirects to a page titled 'end-support-mozilla-hubs', indicating the service has since been discontinued.

Pricing, plan by plan

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

Mozilla Hubs

Free
  • FreeFree
    • Public rooms
    • Avatar customization
    • Screen sharing

Which should you pick?

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

Choose Mozilla Hubs if

  • You need browser-based vr.
  • You want to start without paying.
  • You work on Webvr, Web, Vr, Mobile.
  • You also want room creation.
Mozilla Hubs review

Questions people ask

Is Gravity Sketch or Mozilla Hubs better?
Neither clearly leads. Gravity Sketch starts at Free and Mozilla Hubs at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Gravity Sketch or Mozilla Hubs?
Gravity Sketch starts at Free and Mozilla Hubs at Free.
Does Gravity Sketch or Mozilla Hubs run on more platforms?
Gravity Sketch runs on VR (Meta Quest, Steam, Web). Mozilla Hubs runs on Webvr, Web, Vr, Mobile.
Can I use Gravity Sketch for free?
Both have a free tier, so you can try either at no cost before committing.
What is Gravity Sketch best used for?
Gravity Sketch is most often used for spatial 3d design and conceptualisation in vr, collaborative product design sessions, conceptual model generation, engineering and design team collaboration in immersive environment. Of those, spatial 3d design and conceptualisation in vr and collaborative product design sessions are not what Mozilla Hubs is typically brought in for.
What can Gravity Sketch do that Mozilla Hubs cannot?
Gravity Sketch covers VR design, Desktop app, Surface modeling, Collaboration. Mozilla Hubs covers Browser-based VR, Room creation, Avatar system, Spatial audio.

Answered from the vendors’ own pages

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
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
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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