# Random Walk Simulator vs Prism

The clearest difference is in-app purchases: Random Walk Simulator at none against Prism's 1. Random Walk Simulator also leads on iOS requirement (15.6 vs 18.0). Prism's advantage is ads (none vs shown) and update cadence (every 5 days vs every 103 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Prism sells 1 one-off in-app purchase. Random Walk Simulator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Random Walk Simulator against 5.0 for Prism. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Random Walk Simulator ships an update every 103 months, Prism every 5 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Random Walk Simulator | Prism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/random-walk-simulator/id1206817276/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/prism-abstract-for-artists/id6745243374/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 103 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kentaro Wada](https://appshunter.io/developer/1198894353) | [Christopher Marcus George](https://appshunter.io/developer/1787314916) |

## What reviewers say

### Random Walk Simulator

[App page](https://appshunter.io/ios/app/random-walk-simulator/id1206817276)

Simulate random walks in 1D or 2D space. Adjust step distance and directions to generate stochastic patterns. Save your generated images directly to your device's photo album.

**Highlights:** 1D and 2D random walk simulation, Adjustable step distance, Adjustable number of directions, Stochastic pattern generation, Save images to photo album

**Features:** macOS Compatibility

**In-app purchases:** none


### Prism

[App page](https://appshunter.io/ios/app/prism-abstract-for-artists/id6745243374)

Create stunning, evolving visual art from simple gestures. This app uses mathematical principles to generate mesmerizing patterns that react to touch and sound. Share your digital masterpieces or enjoy them privately.

**Highlights:** Gesture-based art creation, Mathematically generated patterns, Music-reactive visuals, Mesmerizing animations, Shareable digital masterpieces, Intuitive controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Pro | $4.99 | one-time |


## Frequently asked questions

### Is Random Walk Simulator free?

Random Walk Simulator is free to download, with no in-app purchases.

### Is Prism free?

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

### Which has better reviews, Random Walk Simulator or Prism?

Random Walk Simulator and Prism are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Random Walk Simulator or Prism have ads?

Random Walk Simulator shows ads; Prism does not.

### Which is updated more often, Random Walk Simulator or Prism?

Random Walk Simulator ships an update every 103 months, and Prism every 5 days. Most recently, Random Walk Simulator was updated on November 2, 2026 and Prism on October 30, 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.*