
Unity
Widely used 2D and 3D game engine and editor that builds for mobile, desktop, consoles and XR.
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About Unity
Unity is one of the most widely used game engines, especially for mobile, indie and XR games. Its editor lets you assemble scenes from GameObjects and components, script behaviour in C#, and build the same project for more than 25 platforms, including iOS, Android, Windows, macOS, consoles, the web and headsets. A large Asset Store, extensive learning material and a big hiring market are major reasons people choose it. Around the engine, Unity sells cloud services for builds, storage and live operations, plus ads and monetisation tools. Pricing is tiered: the Personal plan is free for hobbyists and small studios, while businesses above a set funding or revenue threshold must pay for Pro per seat, and large companies need Enterprise. The engine is proprietary. The editor runs on Windows, macOS and Linux. It suits teams who want a proven, general-purpose engine with a deep ecosystem and are comfortable with commercial licence terms.
Best for: Indie and mobile studios that want a mainstream engine with a huge asset and tutorial ecosystem.
Pros and cons
What works
- Builds for 25+ platforms from one project
- Huge Asset Store, tutorials and hiring pool
- Free Personal plan for hobbyists and small teams
- Strong mobile and XR tooling
Why people leave
- Pro seats are expensive once you pass the revenue threshold
- Proprietary engine with licence terms that have changed before
- Top-end 3D visuals usually take more work than in Unreal
Top Unity alternatives
See all 2- 1
Godot Engine66.5Free, MIT-licensed engine with no seat fees or revenue thresholds, and a lighter editor.
- 2
Roblox Studio59.6Free editor with hosting and a ready audience built in, if you're happy publishing only on Roblox.
Why people left Unity
In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.
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Unity: common questions
Is Unity free?
Unity has a free plan and paid plans. Free plan: Unity Personal (checked on Unity's own site).
Is Unity open source?
No, Unity is not open source. Open-source alternatives include Godot Engine.
What platforms does Unity run on?
Unity is available for Windows, macOS and Linux.
What are the best alternatives to Unity?
The highest-ranked Unity alternatives right now are Godot Engine and Roblox Studio. See the full ranked list for pricing, platforms and verified facts.