# Campos Electromagnéticos (CEM) vs Camera Detector, Hidden Device

The clearest difference is in-app purchases: Campos Electromagnéticos (CEM) at none against Camera Detector, Hidden Device's 2. Campos Electromagnéticos (CEM) also leads on iOS requirement (12.0 vs 15.0). Camera Detector, Hidden Device's advantage is update cadence (monthly vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Camera Detector, Hidden Device sells 2 in-app purchases, starting at $4.99 per 7 days. Campos Electromagnéticos (CEM) asks for nothing beyond the download.

Campos Electromagnéticos (CEM) ships an update every 16 months, Camera Detector, Hidden Device monthly. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Campos Electromagnéticos (CEM) | Camera Detector, Hidden Device |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (91 ratings)](https://appshunter.io/ios/app/camera-detector-hidden-device/id1608947834/reviews)** |
| Number of ratings | — | **91** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 12 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instituto Nacional de Seguridad e Higiene en el Trabajo](https://appshunter.io/developer/1019192741) | [Andrei Semianenka](https://appshunter.io/developer/1608947836) |

## What reviewers say

### Campos Electromagnéticos (CEM)

[App page](https://appshunter.io/ios/app/campos-electromagneticos-cem/id1521220922)

**Features:** macOS Compatibility

**In-app purchases:** none


### Camera Detector, Hidden Device

[App page](https://appshunter.io/ios/app/camera-detector-hidden-device/id1608947834)

Locate lost Bluetooth devices like headphones and trackers quickly. It also scans your Wi-Fi network to detect hidden cameras and other connected devices. Find your missing electronics and ensure your privacy with this comprehensive utility.

**Highlights:** Locate lost Bluetooth devices, Scan Wi-Fi for cameras, Detect trackers and headphones, Device radar shows nearby devices, Supports a wide range of Apple and fitness trackers, Finds various Bluetooth and Wi-Fi devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |


## Frequently asked questions

### Is Campos Electromagnéticos (CEM) free?

Campos Electromagnéticos (CEM) is free to download, with no in-app purchases.

### Is Camera Detector, Hidden Device free?

Camera Detector, Hidden Device is free to download, with in-app purchases available.

### Do Campos Electromagnéticos (CEM) or Camera Detector, Hidden Device have ads?

Neither Campos Electromagnéticos (CEM) nor Camera Detector, Hidden Device shows ads.

### Which is updated more often, Campos Electromagnéticos (CEM) or Camera Detector, Hidden Device?

Campos Electromagnéticos (CEM) ships an update every 16 months, and Camera Detector, Hidden Device monthly. Most recently, Campos Electromagnéticos (CEM) was updated on September 21, 2026 and Camera Detector, Hidden Device on September 20, 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.*