# Double Pendulum Simulation vs Chaos Lab

The clearest difference is rating: Chaos Lab at 4.9 against Double Pendulum Simulation's 4.0. Chaos Lab also leads on review sentiment (69% vs 38%) and update cadence (every 3 days vs every 73 months). Double Pendulum Simulation's advantage is iOS requirement (7.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chaos Lab holds the better App Store score, 4.9 against 4.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 38% of Double Pendulum Simulation's written reviews are positive against 69% of Chaos Lab's.

Double Pendulum Simulation ships an update every 73 months, Chaos Lab every 3 days. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Double Pendulum Simulation | Chaos Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/double-pendulum-simulation/id370962405/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/chaos-lab/id398270047/reviews)** |
| Number of ratings | 2 | **7** |
| Positive reviews | 37.5% of reviews | **68.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 73 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 0 MB | 7 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [Timothy D. Jones](https://appshunter.io/developer/398270050) |

## What reviewers say

### Double Pendulum Simulation

[App page](https://appshunter.io/ios/app/double-pendulum-simulation/id370962405)

Explore the chaotic and dynamic behavior of a double pendulum. This app uses the Runge-Kutta method to solve differential equations, allowing you to influence the pendulum's motion by tilting your device.

**Highlights:** Double pendulum simulation, Runge-Kutta method solver, Chaotic dynamics exploration, Device tilt interaction, Educational physics tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Chaos Lab

[App page](https://appshunter.io/ios/app/chaos-lab/id398270047)

Explore the beauty of chaos through interactive simulations of mathematical objects, chemical reactions, and celestial mechanics. Manipulate parameters with device tilt and touch to create stunning visual art and understand complex scientific principles.

**Highlights:** Interactive strange attractors, Chemical oscillator simulations, 3-body chaos simulation, Julian fractal morphing, Real-time parameter control, Multiple attractors included

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Double Pendulum Simulation free?

Double Pendulum Simulation is free to download, with no in-app purchases.

### Is Chaos Lab free?

Chaos Lab is free to download, with no in-app purchases.

### Which has better reviews, Double Pendulum Simulation or Chaos Lab?

Chaos Lab is rated higher. Double Pendulum Simulation averages 4.0 out of 5 from 2 ratings, while Chaos Lab averages 4.9 from 7 ratings.

### Do Double Pendulum Simulation or Chaos Lab have ads?

Neither Double Pendulum Simulation nor Chaos Lab shows ads.

### Which is updated more often, Double Pendulum Simulation or Chaos Lab?

Double Pendulum Simulation ships an update every 73 months, and Chaos Lab every 3 days. Most recently, Double Pendulum Simulation was updated on September 24, 2026 and Chaos Lab on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*