# Random Walk Simulator vs Ear Engineer Mobile

The clearest difference is price: Random Walk Simulator at Free against Ear Engineer Mobile's $9.99. Ear Engineer Mobile's advantage is ads (none vs shown) and update cadence (weekly vs every 103 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Random Walk Simulator is free to download; Ear Engineer Mobile costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Random Walk Simulator ships an update every 103 months, Ear Engineer Mobile weekly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Random Walk Simulator | Ear Engineer Mobile |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/random-walk-simulator/id1206817276/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 103 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 43 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kentaro Wada](https://appshunter.io/developer/1198894353) | [sebastian rivas](https://appshunter.io/developer/506708461) |

## 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


### Ear Engineer Mobile

[App page](https://appshunter.io/ios/app/ear-engineer-mobile/id6797715345)

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

**In-app purchases:** none


## Frequently asked questions

### Is Random Walk Simulator free?

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

### Is Ear Engineer Mobile free?

Ear Engineer Mobile costs $9.99, with no in-app purchases.

### Do Random Walk Simulator or Ear Engineer Mobile have ads?

Random Walk Simulator shows ads; Ear Engineer Mobile does not.

### Which is updated more often, Random Walk Simulator or Ear Engineer Mobile?

Random Walk Simulator ships an update every 103 months, and Ear Engineer Mobile weekly. Most recently, Random Walk Simulator was updated on October 24, 2026 and Ear Engineer Mobile on October 7, 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.*