# BugSim vs Steampunk Foucault Pendulum

The clearest difference is rating: BugSim at 4.0 against Steampunk Foucault Pendulum's 3.0. BugSim also leads on iOS requirement (12.0 vs 15.0). Steampunk Foucault Pendulum's advantage is review sentiment (100% vs 80%) and update cadence (every 12 months vs every 33 months). 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.

BugSim holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 80% of BugSim's written reviews are positive against 100% of Steampunk Foucault Pendulum's, so the app with the better star average is not the one people write more warmly about.

BugSim ships an update every 33 months, Steampunk Foucault Pendulum every 12 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | BugSim | Steampunk Foucault Pendulum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bugsim/id376219983/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/steampunk-foucault-pendulum/id1185072793/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 1 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mike Wesemann](https://appshunter.io/developer/285807162) | [Brian Buck](https://appshunter.io/developer/999869732) |

## What reviewers say

### BugSim

[App page](https://appshunter.io/ios/app/bugsim/id376219983)

Explore Darwinian evolution through a simulation game where virtual bugs learn to survive and hunt bacteria. This educational app is based on a concept from a 1989 Scientific American article.

**Highlights:** Darwinian evolution simulation, Survival of the fittest mechanics, Bugs hunt bacteria, Educational gameplay, Based on Scientific American concept

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Steampunk Foucault Pendulum

[App page](https://appshunter.io/ios/app/steampunk-foucault-pendulum/id1185072793)

Experience a 3D physics simulation of Foucault's pendulum, demonstrating Earth's rotation. Explore its history, customize notifications, and find other pendulums globally. This educational tool brings a classic physics experiment to life with a steampunk aesthetic.

**Highlights:** 3D physics simulation, Steampunk theme, History and reference, Customizable notifications, Global pendulum locator, Earth rotation demonstration

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BugSim free?

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

### Is Steampunk Foucault Pendulum free?

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

### Which has better reviews, BugSim or Steampunk Foucault Pendulum?

BugSim is rated higher. BugSim averages 4.0 out of 5 from 1 ratings, while Steampunk Foucault Pendulum averages 3.0 from 4 ratings.

### Do BugSim or Steampunk Foucault Pendulum have ads?

Neither BugSim nor Steampunk Foucault Pendulum shows ads.

### Which is updated more often, BugSim or Steampunk Foucault Pendulum?

BugSim ships an update every 33 months, and Steampunk Foucault Pendulum every 12 months. Most recently, BugSim was updated on November 1, 2026 and Steampunk Foucault Pendulum on November 2, 2026.

---

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