# Sensors vs Hidden

The clearest difference is review sentiment: Hidden at 100% against Sensors's 33%. Hidden also leads on price (Free vs $1.99) and rating (4.3 vs 2.0). Sensors's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On ads and in-app purchases there is nothing between them.

Hidden is free to download; Sensors costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Hidden holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Hidden has 40 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Sensors's written reviews are positive against 100% of Hidden's.

Sensors ships an update every 21 months, Hidden every 2 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Sensors | Hidden |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/sensors/id481727463/reviews) | **[4.3 (40 ratings)](https://appshunter.io/ios/app/hidden-spy-camera-detector/id6756391463/reviews)** |
| Number of ratings | 3 | **40** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 47 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Egor Barabash](https://appshunter.io/developer/1842944076) |

## What reviewers say

### Sensors

[App page](https://appshunter.io/ios/app/sensors/id481727463)

Access all your device's built-in sensor data in one place. View readings for acceleration, compass, pressure, location, and more. It also retrieves location names and elevation from external databases and local weather information.

**Highlights:** View all device sensor values, Supports acceleration, compass, pressure, location, Retrieves location name and elevation, Fetches local outdoor temperature and air pressure, Switch between imperial and metric units, Option to hide unavailable sensors, Supports iPad multitasking

**Features:** macOS Compatibility

**In-app purchases:** none


### Hidden

[App page](https://appshunter.io/ios/app/hidden-spy-camera-detector/id6756391463)

Protect your privacy by detecting hidden cameras and spy devices in unfamiliar locations. This app uses your iPhone's sensors and camera to scan for electronic equipment, Wi-Fi, Bluetooth, infrared, and magnetic fields. It also provides a privacy guide with tips for manual inspections.

**Highlights:** Hidden camera detection, Spy camera scanning, Wi-Fi scanner, Bluetooth scanner, Infrared scanner, Magnetic field scanner, Privacy guide

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

**In-app purchases:** none


## Frequently asked questions

### Is Sensors free?

Sensors costs $1.99, with no in-app purchases.

### Is Hidden free?

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

### Which has better reviews, Sensors or Hidden?

Hidden is rated higher. Sensors averages 2.0 out of 5 from 3 ratings, while Hidden averages 4.3 from 40 ratings.

### Do Sensors or Hidden have ads?

Neither Sensors nor Hidden shows ads.

### Which is updated more often, Sensors or Hidden?

Sensors ships an update every 21 months, and Hidden every 2 months. Most recently, Sensors was updated on November 6, 2026 and Hidden on November 9, 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.*