# Chaos Lab vs Epicycles

The clearest difference is ratings volume: Chaos Lab at 8 against Epicycles's 2. Epicycles's advantage is iOS requirement (15.0 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Chaos Lab against 5.0 for Epicycles. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

Chaos Lab ships an update every 3 days, Epicycles every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chaos Lab | Epicycles |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/chaos-lab/id398270047/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/epicycles/id6450433959/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | Free |
| Size | 7 MB | 4 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Timothy D. Jones](https://appshunter.io/developer/398270050) | [Limit Point Software](https://appshunter.io/developer/377981570) |

## What reviewers say

### 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


### Epicycles

[App page](https://appshunter.io/ios/app/epicycles/id6450433959)

Explore the visualization of complex Fourier series through interactive epicycles. Create and analyze approximations of parametric curves and complex functions. Save animations and export custom terms for later use.

**Highlights:** Visualize Fourier series of 2D functions, Create epicycles from drawn curves, Save custom terms to documents, Export animations as GIFs, Adjust time and number of terms, Interactive graphic elements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chaos Lab free?

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

### Is Epicycles free?

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

### Which has better reviews, Chaos Lab or Epicycles?

Epicycles is rated higher. Chaos Lab averages 4.9 out of 5 from 8 ratings, while Epicycles averages 5.0 from 2 ratings.

### Do Chaos Lab or Epicycles have ads?

Neither Chaos Lab nor Epicycles shows ads.

### Which is updated more often, Chaos Lab or Epicycles?

Chaos Lab ships an update every 3 days, and Epicycles every 5 days. Most recently, Chaos Lab was updated on October 23, 2026 and Epicycles on October 24, 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.*