Three.js is free.
Verified Sep 2026 from the official pricing page.
Is Three.js worth the price?
Three.js is entirely free and open-source, making it incredibly generous compared to any paid alternatives.
There are no dollar amounts to consider, as its full functionality is available without cost. This model is best for all developers, from hobbyists to large enterprises, seeking powerful 3D rendering without budget constraints.
Pricing
Three.js is completely free to use with no hidden costs.
How Three.js compares
3 of 4 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| Three.js | Free | Yes |
| Babylon.js | Free | Yes |
| PlayCanvas | $15/month | Yes |
| Unity | $170/month | Yes |
| Unreal Engine | No public price | No |
Three.js Pricing FAQ
How much does Three.js cost?
Three.js is free to use. No subscription or one-time fee is required for the core product.
Is Three.js free?
Yes, Three.js is free to use.
What are alternatives to Three.js?
Alternatives to Three.js include Babylon.js, PlayCanvas, Unity, Unreal Engine. Babylon.js is fully free. PlayCanvas starts at $15/month; Unity starts at $170/month.
Three.js alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official Three.js pricing — threejs.org (verified Sep 2026)
- Cite this data: Toolradar, Three.js pricing verified Sep 2026, toolradar.com/tools/three-js/pricing
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