# OrbitLab - N-body Simulator — Simulate star system

> Simulate star system (iPhone/iPad app by SHIH-CHEN FAN.)

- Source: https://appshunter.io/ios/app/orbitlab-n-body-simulator/id6766003818 (this page in markdown: same URL + `.md`)
- Developer: [SHIH-CHEN FAN](https://appshunter.io/developer/1563674002)
- Category: Utilities, Entertainment
- Price: $0.99
- Age rating: 4+
- Requires: iOS 17.0 · 6 MB
- Languages: English
- Released: 2026-05-11
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/orbitlab-n-body-simulator/id6766003818/reviews.md

## What is OrbitLab?

OrbitLab is a visual N-body gravity simulator designed for exploration and learning, providing multiple sample stars.
By adjusting the mass and the velocity of the stars you created, you can watch their orbit in real time.
You can simulate the system what ever you want.
OrbitLab makes orbital physics easy to explore.


## Version history (last 2 releases)

### 1.1.0 — 2026-05-17

OrbitLab now adds undo support, time controls, and live orbit diagnostics.

### 1.0 — 2026-05-11

No release notes.

## More apps by SHIH-CHEN FAN

- [sMOTP](https://appshunter.io/ios/app/smotp/id1563674000)
- [Math Competition in 60 Seconds](https://appshunter.io/ios/app/math-competition-in-60-seconds/id1565505092)
- [Same Card](https://appshunter.io/ios/app/same-card/id1571434959)
- [LIE](https://appshunter.io/ios/app/lie/id1606469686)
- [Ghost Card Game](https://appshunter.io/ios/app/ghost-card-game/id1609439972)
- [小綠人](https://appshunter.io/ios/app/id1616511614)

All apps by SHIH-CHEN FAN: https://appshunter.io/developer/1563674002

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*