# BugSim vs Evolution

The clearest difference is price: BugSim at Free against Evolution's $1.99. BugSim also leads on iOS requirement (12.0 vs 18.0). Evolution's advantage is update cadence (every 8 days vs every 33 months) and review sentiment (100% vs 80%). On ads, in-app purchases and device support there is nothing between them.

BugSim is free to download; Evolution costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BugSim ships an update every 33 months, Evolution every 8 days. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | BugSim | Evolution |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bugsim/id376219983/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 8 days** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 10 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mike Wesemann](https://appshunter.io/developer/285807162) | [Seungwoo Choe](https://appshunter.io/developer/1660506601) |

## 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


### Evolution

[App page](https://appshunter.io/ios/app/evolution-simulator/id6742989088)

Explore a 2D world where creatures evolve through natural selection. This simulator allows you to experiment with settings and observe how genomes influence adaptation. Witness the fascinating process of evolution in action.

**Highlights:** 2D natural selection simulation, Neural network-powered creatures, Genome-defined creature behavior, Experiment with evolutionary settings, Observe creature adaptation

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

**In-app purchases:** none


## Frequently asked questions

### Is BugSim free?

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

### Is Evolution free?

Evolution costs $1.99, with no in-app purchases.

### Do BugSim or Evolution have ads?

Neither BugSim nor Evolution shows ads.

### Which is updated more often, BugSim or Evolution?

BugSim ships an update every 33 months, and Evolution every 8 days. Most recently, BugSim was updated on September 9, 2026 and Evolution on September 16, 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.*