3-Body
Cubic Insights LLC Education iPhoneiPadiPod touch
3-Body is a free Education app for iPhone and iPad by Cubic Insights LLC. Rated 5.0/5 from 3 ratings. Requires iOS 15.0. Updated August 22, 2026.
- Rating
- 5.0
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 9 MB
- Age 4+
- Updated
- Aug 22
- 2026 · v2.0.2
Screenshots
About 3-Body
Explore the Wonders of Gravity with 3-Body - A 2D N-Body Simulator! Dive into the fascinating world of physics with 3-Body, a unique 2D N-body simulator inspired by the famous “3-Body Problem” in physics (also the book series and now Netflix show). Whether you’re a science enthusiast, a fan of celestial mechanics, or just looking for something cool to play with, 3-Body offers a fun and educational experience. Key Features: • Simulate Gravity: Watch as bodies with mass interact with each other, forming complex and mesmerizing patterns as they move under the influence of gravity. • Preset Configurations: Explore stable configurations such as the figure-eight orbit of three bodies, a circular orbit of three masses, or a large body orbited by smaller ones. • Customization: Unleash your creativity by customizing the size, color, and trails of the bodies you create. Tailor each simulation to your liking and see how it affects the system. • Educational & Fun: While the app is primarily informational, it’s also incredibly fun to experiment with. Whether you’re learning about gravitational physics or just enjoying the visual spectacle, 3-Body has something for everyone. Why 3-Body? 3-Body isn’t just a tool—it’s a playground for your imagination. With no specific goal other than to explore, discover, and enjoy, this app brings the wonders of gravity to your fingertips. Whether you’re a student, a teacher, or just someone curious about the universe, 3-Body is sure to captivate and entertain you. Download 3-Body today and embark on your journey through the cosmos!
What’s new
Version 2.0.2 · Updated August 22, 2026
Five new stable systems that keep their shape instead of flying apart: Flower, Two Ovals, Loop Triangles, Broucke, and Triple Rings. Find them on the Systems tab. Smoother, more reliable simulation, plus fixes and polish throughout the app.
App privacy
The developer, Cubic Insights LLC, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to 3-Body
Looking for apps like 3-Body? Here are 6 similar apps on the App Store. The highest rated is Orbital Simulator: Explorer (5.0/5), and all 6 are free to download.
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Graviton Sim
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Gravity!
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 3-Body | 5.0 / 5 (3 ratings) | Free | August 22, 2026 | |
| Graviton Sim | – | Free | Dec 13, 2025 | Compare |
| ViGravitatis | – | Free | Apr 6, 2025 | Compare |
| Orbital Simulator: Explorer | 5.0 / 5 (6) | Free | Jul 18, 2024 | Compare |
| Gravity! | 3.9 / 5 (18) | Free | Jul 29, 2026 | Compare |
| Quantum - Particle Life | 4.8 / 5 (150) | Free | Jul 27, 2026 | Compare |
| Milky Way: Cosmic Playground | 4.7 / 5 (1,968) | Free | Oct 23, 2026 | Compare |
Compare 3-Body with the top alternatives: ratings, updates, ASO score and keyword gaps →