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Mozilla Hubs vs O3DE

Mozilla Hubs logo

Mozilla Hubs

AR VR

Open-source social VR platform for the web

From
Free
Rated
-
Full reviewWebsite
O3DE logo

O3DE

Game Development

Open 3D Engine - Professional game engine

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: 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.; O3DE minimum hardware is a quad-core 2.5 GHz x86 CPU with SSE 4.1, 16 GB RAM and a DirectX 12 or Vulkan GPU with 2 GB VRAM and Shader Model 6.2
  • They diverge on capability: Mozilla Hubs covers Browser-based VR, O3DE covers 3D graphics rendering.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mozilla Hubs and O3DE actually diverge.

Attributes where Mozilla Hubs and O3DE differ
AttributeMozilla HubsO3DE
Pricing modelfreemiumfree
PlatformsWebvr, Web, Vr, MobileWindows, Macos, Linux, Ios, Android, Playstation, Xbox
CategoryAR VRGame Development
Founded19982021

Identical on both: starting price (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 Mozilla Hubs

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

Only in O3DE

  • 3D graphics rendering
  • Modular architecture
  • Physics engine
  • Audio system
  • Animation tools
  • Particle effects
  • Material system
  • Lighting system

What people use each for

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

Mozilla Hubs

  • VR Gamingnot O3DE
  • AR Marketingnot O3DE
  • Virtual Trainingnot O3DE
  • 3D Visualizationnot O3DE
  • Immersive Experiencesnot O3DE

O3DE

  • Building 3D games and simulations on an open source Apache-licensed enginenot Mozilla Hubs
  • Robotics and industrial simulation using O3DE Gemsnot Mozilla Hubs
  • Projects that need full engine source access with no royaltynot Mozilla Hubs

Where each one falls short

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

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.

O3DE

  • Minimum hardware is a quad-core 2.5 GHz x86 CPU with SSE 4.1, 16 GB RAM and a DirectX 12 or Vulkan GPU with 2 GB VRAM and Shader Model 6.2
  • Raytracing features require Shader Model 6.3
  • Disk space required is 40 GB using the prebuilt installer and 100 GB or more when building from source
  • Building the engine from source needs 2 GB of RAM per build thread on top of normal system requirements
  • On Windows the editor requires Windows 10 version 20H2 or later plus Visual Studio 2019 16.11.x, 2022 17.3.x or 2026 18.0.x with the Game development with C++ workload
  • The only primary Linux distribution for the editor is Ubuntu 22.04 LTS, and Ubuntu on 64-bit ARMv8 is experimental
  • Linux builds need CMake 3.30.0 or later, which is newer than the 3.22 shipped by default with Ubuntu 22.04
  • Wayland support is experimental, requires building from source, and is limited to the Game Launcher with no editor support until O3DE moves to Qt6
  • Linux requires a long list of additional apt library packages to be installed before building

Pricing, plan by plan

Mozilla Hubs

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

O3DE

Free
  • FreeFree
    • Full engine
    • Modular architecture
    • Cross-platform

Which should you pick?

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

Choose O3DE if

  • You need 3d graphics rendering.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Ios, Android, Playstation, Xbox.
  • You also want modular architecture.
O3DE review

Questions people ask

Is Mozilla Hubs or O3DE better?
Neither clearly leads. Mozilla Hubs starts at Free and O3DE at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mozilla Hubs or O3DE?
Mozilla Hubs starts at Free and O3DE at Free.
Does Mozilla Hubs or O3DE run on more platforms?
Mozilla Hubs runs on Webvr, Web, Vr, Mobile. O3DE runs on Windows, Macos, Linux, Ios, Android, Playstation, Xbox.
Can I use Mozilla Hubs for free?
Both have a free tier, so you can try either at no cost before committing.
What is Mozilla Hubs best used for?
Mozilla Hubs is most often used for vr gaming, ar marketing, virtual training, 3d visualization. Of those, vr gaming and ar marketing are not what O3DE is typically brought in for.
What can Mozilla Hubs do that O3DE cannot?
Mozilla Hubs covers Browser-based VR, Room creation, Avatar system, Spatial audio. O3DE covers 3D graphics rendering, Modular architecture, Physics engine, Audio system.

Answered from the vendors’ own pages

O3DE: Is O3DE free to download and use?

Yes, O3DE is completely free and open source, available for download at no cost under continuous development.

Source
O3DE: How is O3DE funded if it is free?

O3DE is supported through optional donations and member organization contributions rather than user licensing fees.

Source
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