# Double Pendulum

> Physics simulator for a frictionless double pendulum, demonstrating chaotic motion. (iPhone/iPad app by Andrei Frolov.)

- Source: https://appshunter.io/ios/app/double-pendulum/id1377507794 (this page in markdown: same URL + `.md`)
- Developer: [Andrei Frolov](https://appshunter.io/developer/1377507793)
- Category: Education, Entertainment
- Price: Free
- Rating: 4.50/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.2 · 8 MB
- Languages: American English
- Released: 2019-10-19
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/double-pendulum/id1377507794/reviews.md

## What is Double Pendulum?

The double pendulum is a simple mechanical system that displays chaos. The motion of the pendulum arms can be complex and unpredictable, with even minute changes leading to very different trajectories. This app accurately simulates the physics of a frictionless double pendulum, so you can explore and enjoy the complexity and beauty of mechanical chaos.

## Key features

- Frictionless double pendulum simulation
- Accurate physics engine
- Exploration of chaotic motion
- Interactive visualization
- Educational tool for physics

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/double-pendulum/id1377507794/reviews.md

### 5/5 — Bit bad

*2023-09-07*

I hate how it stops when it goes “to” fast

## Frequently asked questions about Double Pendulum

### What is the Double Pendulum app?

The Double Pendulum app is a physics simulator that accurately models the behavior of a frictionless double pendulum. It allows users to explore the complex and often unpredictable nature of chaotic mechanical systems.

### Is the Double Pendulum app free to use?

Yes, the Double Pendulum app is completely free to download and use. There are no in-app purchases or subscription fees required.

### What devices does the Double Pendulum app support?

The Double Pendulum app is available for iPhone, iPad, and iPod devices. It is designed to run on Apple's mobile operating system.

### What is the age rating for the Double Pendulum app?

The Double Pendulum app has an age rating of 4+. This indicates it is suitable for children and adults alike, with no mature content.

### How often is the Double Pendulum app updated?

The Double Pendulum app was last updated on October 20, 2019, with version 1.0. As of now, there have been no subsequent updates, suggesting a stable release.

### Does the Double Pendulum app have ads?

No, the Double Pendulum app does not contain any advertisements. Users can enjoy the simulation without any interruptions.

### What learning concepts does the Double Pendulum app teach?

The app is an excellent tool for understanding fundamental physics concepts such as mechanics, motion, and especially chaos theory. It visually demonstrates how small initial changes can lead to vastly different outcomes.

### How accurate is the physics simulation in the Double Pendulum app?

The app is designed to accurately simulate the physics of a frictionless double pendulum. It aims to provide a realistic representation of the system's complex and unpredictable trajectories.

## Version history (last 1 release)

### 1.0 — 2019-10-20

No release notes.

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## Related topics

[andrei frolov](https://appshunter.io/ios/topics/andrei-frolov)

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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 2026-06-01.*