# Chaos Lab vs Meditative Pendulum

The clearest difference is rating: Chaos Lab at 4.9 against Meditative Pendulum's 4.2. Chaos Lab also leads on update cadence (every 3 days vs every 2 weeks). Meditative Pendulum's advantage is review sentiment (86% vs 69%) and iOS requirement (14.0 vs 18.0). On price, ratings volume, ads and in-app purchases 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 4.2. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews complicate that: 69% of Chaos Lab's written reviews are positive against 86% of Meditative Pendulum's, so the app with the better star average is not the one people write more warmly about.

Chaos Lab ships an update every 3 days, Meditative Pendulum every 2 weeks. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Chaos Lab | Meditative Pendulum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/chaos-lab/id398270047/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/meditative-pendulum/id1567751836/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | 68.8% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 7 MB | 0 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Timothy D. Jones](https://appshunter.io/developer/398270050) | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) |

## 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


### Meditative Pendulum

[App page](https://appshunter.io/ios/app/meditative-pendulum/id1567751836)

Explore the mesmerizing motion of a double pendulum with this physics-based interactive application. Adjust various parameters like mass, drag, and visual elements to create unique simulations. You can also directly interact with the pendulum by grabbing and throwing it.

**Highlights:** Double pendulum simulation, Elastic pendulum simulation, Adjustable physics parameters, Customizable graphics, Interactive pendulum control

**In-app purchases:** none


## Frequently asked questions

### Is Chaos Lab free?

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

### Is Meditative Pendulum free?

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

### Which has better reviews, Chaos Lab or Meditative Pendulum?

Chaos Lab is rated higher. Chaos Lab averages 4.9 out of 5 from 8 ratings, while Meditative Pendulum averages 4.2 from 5 ratings.

### Do Chaos Lab or Meditative Pendulum have ads?

Neither Chaos Lab nor Meditative Pendulum shows ads.

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

Chaos Lab ships an update every 3 days, and Meditative Pendulum every 2 weeks. Most recently, Chaos Lab was updated on October 23, 2026 and Meditative Pendulum on October 21, 2026.

---

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