# Fan Simulator vs Prepshield App

The clearest difference is in-app purchases: Prepshield App at none against Fan Simulator's 1. Prepshield App also leads on update cadence (every 4 days vs every 3 weeks). Fan Simulator's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Fan Simulator sells 1 one-off in-app purchase. Prepshield App asks for nothing beyond the download.

Fan Simulator ships an update every 3 weeks, Prepshield App every 4 days. The most recent releases landed on October 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Fan Simulator | Prepshield App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/fan-simulator/id6503080044/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 65 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Astrologic Games LTDA](https://appshunter.io/developer/1164665798) | [Institute Of Communication & Computer Systems](https://appshunter.io/developer/1585659273) |

## What reviewers say

### Fan Simulator

[App page](https://appshunter.io/ios/app/fan-simulator/id6503080044)

This app transforms your device into a virtual fan, offering adjustable speeds, realistic sound, and visual animations. It's designed for relaxation, focus, or simply enjoying a simulated breeze anytime, anywhere.

**Highlights:** Three adjustable fan speeds, Customizable timer, Realistic sound and visual effects, Intuitive interface, Versatile use for relaxation and focus

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Prepshield App

[App page](https://appshunter.io/ios/app/prepshield-app/id6808672482)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fan Simulator free?

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

### Is Prepshield App free?

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

### Do Fan Simulator or Prepshield App have ads?

Neither Fan Simulator nor Prepshield App shows ads.

### Which is updated more often, Fan Simulator or Prepshield App?

Fan Simulator ships an update every 3 weeks, and Prepshield App every 4 days. Most recently, Fan Simulator was updated on October 30, 2026 and Prepshield App on October 11, 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.*