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Bevy vs Unreal Engine

Bevy logo

Bevy

Software

A refreshingly simple data-driven game engine built in Rust

From
Free
Rated
-
Full reviewWebsite
Unreal Engine logo

Unreal Engine

Software

The world's most open and advanced real-time 3D creation tool

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Bevy rust only, so it assumes a language most game teams do not already use; Unreal Engine 5% royalty triggered on any project exceeding $1 million in gross revenue across all revenue sources
  • They diverge on capability: Bevy covers Entity Component System, Unreal Engine covers Real-time ray tracing.

Where they differ

Only the attributes on which Bevy and Unreal Engine actually diverge.

Attributes where Bevy and Unreal Engine differ
AttributeBevyUnreal Engine
Pricing modelfreeUnknown
PlatformsWindows, Macos, Linux, WebglPC, macOS, Linux, PlayStation, Xbox, Nintendo Switch, iOS, Android, VR, AR
Founded20201991

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

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 Bevy

  • Entity Component System
  • 2D/3D rendering
  • Audio system
  • Asset pipeline
  • Hot reloading
  • Cross-platform
  • Modular architecture
  • Parallel systems

Only in Unreal Engine

  • Real-time ray tracing
  • Nanite geometry
  • Lumen global illumination
  • Blueprint visual scripting
  • C++ programming
  • World composition
  • Animation systems
  • Audio engine

Both cover

  • Local deployment
  • Windows support

What people use each for

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

Bevy

  • 2D and 3D game development in Rustnot Unreal Engine
  • Data-driven design using an entity component systemnot Unreal Engine
  • Shipping to Windows, macOS, Linux, web, iOS and Android from one codebasenot Unreal Engine
  • Projects wanting a permissive licence with no royalties or feesnot Unreal Engine

Unreal Engine

  • AAA game developmentnot Bevy
  • Indie game creationnot Bevy
  • Architectural visualizationnot Bevy
  • Film and TV productionnot Bevy
  • VR/AR experiencesnot Bevy

Where each one falls short

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

Bevy

  • Rust only, so it assumes a language most game teams do not already use
  • No visual editor of the kind Unity or Godot provide, so scenes and logic are written in code
  • Built around ECS, which is a different mental model from the scene-graph engines most developers come from

Unreal Engine

  • 5% royalty triggered on any project exceeding $1 million in gross revenue across all revenue sources
  • Smaller mobile game ecosystem compared to Unity, with fewer optimized mobile libraries and live-ops services

Pricing, plan by plan

Bevy

Free
  • Open SourceFree
    • Full engine access
    • ECS architecture
    • Hot reloading

Unreal Engine

Free
  • Game DevelopmentFree
    • Nanite geometry
    • Lumen global illumination
    • Blueprint visual scripting
  • Non-Game Commercial$1850/year
    • No royalties
    • Enterprise features

Which should you pick?

Choose Bevy if

  • You need entity component system.
  • You want to start without paying.
  • You work on Windows, Macos, Linux, Webgl.
  • You also want 2d/3d rendering.
Bevy review

Choose Unreal Engine if

  • You need real-time ray tracing.
  • You want to start without paying.
  • You work on PC, macOS, Linux, PlayStation, Xbox, Nintendo Switch, iOS, Android, VR, AR.
  • You also want nanite geometry.
Unreal Engine review

Questions people ask

Is Bevy or Unreal Engine better?
Neither clearly leads. Bevy starts at Free and Unreal Engine at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Bevy or Unreal Engine?
Bevy starts at Free and Unreal Engine at Free.
Does Bevy or Unreal Engine run on more platforms?
Bevy runs on Windows, Macos, Linux, Webgl. Unreal Engine runs on PC, macOS, Linux, PlayStation, Xbox, Nintendo Switch, iOS, Android, VR, AR.
Can I use Bevy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Bevy best used for?
Bevy is most often used for 2d and 3d game development in rust, data-driven design using an entity component system, shipping to windows, macos, linux, web, ios and android from one codebase, projects wanting a permissive licence with no royalties or fees. Of those, 2d and 3d game development in rust and data-driven design using an entity component system are not what Unreal Engine is typically brought in for.
What can Bevy do that Unreal Engine cannot?
Bevy covers Entity Component System, 2D/3D rendering, Audio system, Asset pipeline. Unreal Engine covers Real-time ray tracing, Nanite geometry, Lumen global illumination, Blueprint visual scripting. Both handle Local deployment, Windows support.

Answered from the vendors’ own pages

Unreal Engine: What is Unreal Engine's royalty structure?

Unreal Engine is free upfront with a 5% royalty on gross revenue worldwide after a project exceeds $1 million in lifetime gross revenue. This includes in-app purchases, advertising, and direct sales but excludes indirect revenue.

Source
Unreal Engine: What platforms can Unreal Engine target?

Unreal Engine supports PC, VR, AR, gaming consoles, and mobile devices. The royalty fee applies across all platforms.

Source
Unreal Engine: What are Unreal Engine's graphics capabilities?

Unreal Engine 5 features Nanite virtualized geometry and Lumen global illumination, enabling photorealistic AAA workflows. Nanite replaces traditional LOD systems with 128-triangle clusters and software rasterization for superior visual fidelity.

Source
Unreal Engine: Do non-game developers pay royalties?

No. Non-game commercial teams pay $1,850 per seat per year instead of royalties. This covers enterprise use cases outside traditional game development.

Source
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