# Crowd Security vs Box Fan Noise Machine

The clearest difference is in-app purchases: Crowd Security at none against Box Fan Noise Machine's 3. Crowd Security also leads on device support (3 vs 1) and iOS requirement (10.0 vs 26.4). On price, update cadence and ads there is nothing between them.

Both are free to download. Box Fan Noise Machine sells 3 in-app purchases, starting at $4.99 per 7 days. Crowd Security asks for nothing beyond the download.

Crowd Security ships an update every 2 months, Box Fan Noise Machine every 3 months. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Crowd Security | Box Fan Noise Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 10 MB | 11 MB |
| Requires iOS | **10.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MRF Geosystems Corporation](https://appshunter.io/developer/1022031549) | [Ember Forge Apps Inc.](https://appshunter.io/developer/1814289782) |

## What reviewers say

### Crowd Security

[App page](https://appshunter.io/ios/app/crowd-security/id1522438939)

**In-app purchases:** none


### Box Fan Noise Machine

[App page](https://appshunter.io/ios/app/box-fan-noise-machine/id6759129375)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly_5_free_3 | $4.99 | per 7 days |
| lifetime_20 | $19.99 | one-time |
| lifetime_20a | $19.99 | one-time |


## Frequently asked questions

### Is Crowd Security free?

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

### Is Box Fan Noise Machine free?

Box Fan Noise Machine is free to download, with in-app purchases available.

### Do Crowd Security or Box Fan Noise Machine have ads?

Neither Crowd Security nor Box Fan Noise Machine shows ads.

### Which is updated more often, Crowd Security or Box Fan Noise Machine?

Crowd Security ships an update every 2 months, and Box Fan Noise Machine every 3 months. Most recently, Crowd Security was updated on September 15, 2026 and Box Fan Noise Machine on September 8, 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.*