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  • Threejs Code Play screenshot 1
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About Threejs Code Play

3DThreejs Code Play is a powerful Three.js and WebGL learning app designed for students, beginners, web developers and programmers who want to learn 3D web development and create interactive 3D graphics using JavaScript. Learn Three.js step by step, explore practical examples, write code in the built-in editor and instantly preview your 3D output. Study scenes, cameras, objects, lighting, textures and animations while practicing real 3D web development directly on your iPhone or iPad. LEARN THREE.JS & WEBGL Understand the fundamentals of modern 3D web development through structured tutorials and practical examples. Explore topics such as: • Three.js basics • WebGL concepts • 3D scenes • Camera setup • 3D objects • Geometry • Materials • Lighting systems • Textures • Animation • Interactive 3D graphics • HTML, CSS & JavaScript integration Each learning topic includes explanations and example code to help you understand how 3D graphics work in web applications. BUILT-IN THREE.JS CODE EDITOR Write and edit Three.js, JavaScript, HTML and CSS code directly inside the app. Experiment with existing examples, modify properties, create your own 3D scenes and test new ideas without needing a desktop coding environment. REAL-TIME 3D PREVIEW Write code and instantly see your Three.js output. Real-time preview helps you understand how changes to objects, cameras, lights, materials, textures and animations affect your 3D scene. This hands-on approach makes learning Three.js easier and more interactive. PRACTICAL EXAMPLES & SAMPLE PROJECTS Explore practical Three.js examples and sample projects to understand common 3D development techniques. Study the code, modify values and immediately see the result. This makes it easier to learn through experimentation instead of only reading theory. CREATE NEW FILES Start a fresh coding workspace whenever you want to build a new example, test an idea or create another Three.js project. OPEN EXISTING FILES Open supported files from your device and continue editing previous projects without rewriting your code. SAVE YOUR CODE Save your current work locally and continue your Three.js development later. SAVE AS Create another copy of your project with a different file name or location. This is useful for testing new ideas while keeping the original version unchanged. FIND IN CODE Quickly search for specific text, variables, functions or code inside your project instead of manually scrolling through large files. GO TO LINE Jump directly to a specific line number for faster navigation and editing. UNDO & REDO Reverse unwanted changes with Undo and restore them with Redo for a smoother coding experience. RESET EDITOR Clear your current workspace and start again whenever you want to create a fresh project. LEARN WITH HTML, CSS & JAVASCRIPT Practice combining Three.js with HTML, CSS and JavaScript to understand how interactive 3D web experiences can be created for modern websites and web applications. OFFLINE THREE.JS LEARNING The app is designed to support offline learning and coding, allowing you to study tutorials, explore examples and practice Three.js without requiring a continuous internet connection. BEGINNER-FRIENDLY 3DThreejs Code Play is suitable for: • Three.js beginners • WebGL learners • JavaScript developers • Web development students • Frontend developers • Programming students • 3D web developers • HTML, CSS & JavaScript learners • Developers exploring browser-based 3D graphics LEARN 3D WEB DEVELOPMENT ANYWHERE Turn your iPhone or iPad into a convenient Three.js learning and coding environment. Study 3D graphics concepts, explore sample projects, write JavaScript code, preview your scenes and improve your understanding of Three.js and WebGL through practical learning. Learn Three.js. Create 3D graphics. Write code. Preview instantly. Download 3DThreejs Code Play and start learning interactive 3D web development today.

What’s new

Version 2.4 · Updated August 21, 2026

Design changed bug fixes Dark mode added

App privacy

The developer, Merbin Joe, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Advertising Data

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Advertising Data

Used for: Third-Party Advertising

Alternatives to Threejs Code Play

Looking for apps like Threejs Code Play? Here are 6 similar apps on the App Store. The highest rated is Learn JavaScript | Learn JS (5.0/5), and all 6 are free to download.

Threejs Code Play vs. alternatives
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