# Random Walk Simulator vs Fizzik

The clearest difference is in-app purchases: Random Walk Simulator at none against Fizzik's 2. Random Walk Simulator also leads on iOS requirement (15.6 vs 18.0). Fizzik's advantage is ads (none vs shown) and update cadence (every 5 days vs every 103 months). On price and device support there is nothing between them.

Both are free to download. Fizzik sells 2 in-app purchases, starting at $6.99 per month. Random Walk Simulator asks for nothing beyond the download.

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

## The numbers

| Metric | Random Walk Simulator | Fizzik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/random-walk-simulator/id1206817276/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 103 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kentaro Wada](https://appshunter.io/developer/1198894353) | [Daitoku Corp.](https://appshunter.io/developer/1735375196) |

## 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


### Fizzik

[App page](https://appshunter.io/ios/app/fizzik/id6791336629)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fizzik Pro Monthly | $6.99 | per month |
| Fizzik Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Random Walk Simulator free?

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

### Is Fizzik free?

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

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

Random Walk Simulator shows ads; Fizzik does not.

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

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