# Cellular Automata vs echopaint

The clearest difference is in-app purchases: echopaint at none against Cellular Automata's 1. echopaint also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cellular Automata sells 1 one-off in-app purchase. echopaint asks for nothing beyond the download.

Cellular Automata ships an update every 2 months, echopaint weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Cellular Automata | echopaint |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cellular-automata-life-sim/id317822041/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 54 MB | 1 MB |
| Requires iOS | 18.0 | **17.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Socially Conscious Software LLC](https://appshunter.io/developer/302019503) | [Riley Williams](https://appshunter.io/developer/1848023764) |

## What reviewers say

### Cellular Automata

[App page](https://appshunter.io/ios/app/cellular-automata-life-sim/id317822041)

Explore the emergent complexity of simple rules with this implementation of Conway's Game of Life. Transform photos and text into evolving cellular grids, enhanced by audio-reactive generative art and high-performance GPU processing. Share your creations as high-resolution snapshots or animated GIFs.

**Highlights:** Conway's Game of Life simulation, Photo and text to cellular grid conversion, Audio-reactive generative art, High-performance Metal GPU engine, Customizable brush sizes and stamps, Export snapshots and animated GIFs, Curated pattern library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cellular Automata Pro | $1.99 | one-time |


### echopaint

[App page](https://appshunter.io/ios/app/echopaint/id6754354177)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cellular Automata free?

Cellular Automata is free to download, with in-app purchases available.

### Is echopaint free?

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

### Do Cellular Automata or echopaint have ads?

Neither Cellular Automata nor echopaint shows ads.

### Which is updated more often, Cellular Automata or echopaint?

Cellular Automata ships an update every 2 months, and echopaint weekly. Most recently, Cellular Automata was updated on October 28, 2026 and echopaint on October 28, 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.*