Three.js
WebGL made easy
Unreal Engine
Make something unreal
Updated February 2026
| Three.js | Unreal Engine | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 19 | 8 |
| Pros | 10 | 13 |
| FactScore™ | 64.4 | 47.7 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Three.js — Pros
3D rendering Developer ecosystem Great documentation Interactive graphics Community support Fast performance Immersive 3D environments Interactive elements Open source Real-time graphicsBoth tools — Pros
—Only in Unreal Engine — Pros
Advanced rendering capabilities Metahumans integration Blueprint visual scripting Excellent documentation Free tier High poly visual effects Industry leader Modular design Motion capture Open-source development Optimization Real-time raytracing Realistic texturesOnly in Three.js — Cons
Steep learning curveBoth tools — Cons
—Only in Unreal Engine — Cons
—Details
| Three.js | Unreal Engine | |
|---|---|---|
| Categories | 3D & Animation, UI frameworks | 3D & Animation, UI frameworks, Games |
| Platforms | Web | Web |
| Became Popular | November 5, 2015 | March 2, 2015 |
| Website | threejs.org | www.unrealengine.com |
Who Should Pick Which?
Choose Three.js if...
- 3D rendering
- Developer ecosystem
- Great documentation
Choose Unreal Engine if...
- Advanced rendering capabilities
- Metahumans integration
- Blueprint visual scripting
With a FactScore™ of 64.4 vs 47.7, Three.js leads in community reception. Three.js uniquely offers 3D rendering and Developer ecosystem, while Unreal Engine stands out for Advanced rendering capabilities and Metahumans integration.
What Users Say
Three.js
Three.js allowed me to easily implement 3D rendering for my custom particle simulations, offering a simple and efficient way to create interactive graphics.
Hubzz leverages Three.js to create immersive 3D environments, optimize performance, & enable interactive elements, pushing the boundaries of graphics & interactivity in a web-based metaverse platform.
CFD is involved with 3D geometries and results. In order to bring SuperCFD alive, we used Three.js to represent the parts loaded into the platform. All of the contour plots are also created using s...
Unreal Engine
Unreal Engine's powerful Blueprint visual scripting system served as inspiration for ReadyCode's user-friendly modding tools. The engine's modular design and advanced rendering capabilities enabled...
We're betting on Unreal Engine 5 because it's a powerhouse for real-time raytracing and animations, giving us incredible visual quality now and for years to come, from everything from media renderi...
Quite intimidating when I first jumped in, but I enjoyed the visual programming and the out-of-the-box power this engine has.
Related Comparisons
Frequently Asked Questions
Which is better, Three.js or Unreal Engine?
Based on FactScore™, Three.js leads with a score of 64.4 vs 47.7. Three.js has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Three.js compared to Unreal Engine?
Three.js uniquely offers: 3D rendering, Developer ecosystem, Great documentation, Interactive graphics, Community support.
What are the pros of Unreal Engine compared to Three.js?
Unreal Engine uniquely offers: Advanced rendering capabilities, Metahumans integration, Blueprint visual scripting, Excellent documentation, Free tier.
Is Three.js better rated than Unreal Engine?
Three.js is rated 5.0★ from 19 reviews. Unreal Engine is rated 5.0★ from 8 reviews.
What is the FactScore™ of Three.js and Unreal Engine?
FactScore™ weighs rating and review volume together. Three.js scores 64.4 and Unreal Engine scores 47.7.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free