Sensors vs Hidden
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sensors
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.
- 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
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See the values of the built in device sensors all together in one app. Supports (if available) acceleration, heading (compass), pressure, position, altitude and speed. In addition it gets the current location name and the elevation from the GeoNames database and the local outdoor temperature and air pressure from World Weather Online via the internet. More features: - switch between imperial and metric units - optionally hide non available sensors - support for the iPad multitasking (split view..)
Hidden
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.
- Hidden camera detection
- Spy camera scanning
- Wi-Fi scanner
- Bluetooth scanner
- Infrared scanner
- Magnetic field scanner
- Privacy guide
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Detect Hidden Cameras & Spy Devices Protect your privacy with Hidden - Spy Camera Detector. Use your iPhone to help detect hidden cameras, inspect suspicious places, and scan for nearby electronic devices using available device capabilities. Whether you're staying in a hotel, Airbnb, office, rental apartment, changing room, or another unfamiliar place, the app helps you perform quick privacy inspections and find potential hidden cameras and spy devices. Features Hidden Camera Detector Help detect hidden cameras and inspect suspicious locations using your device sensors. Spy Camera Scanner Scan nearby areas and perform manual inspections to help find hidden cameras and electronic devices. Wi-Fi Scanner View nearby Wi-Fi networks and discover connected devices to help identify unknown or unexpected equipment on your local network. Bluetooth Scanner Scan nearby Bluetooth devices, monitor signal strength, and help locate wireless devices around you. Infrared Scanner Use your device camera to inspect possible infrared light sources that may indicate night vision cameras on supported devices. Magnetic Field Scanner Monitor magnetic field changes using compatible hardware to help identify nearby electronic equipment. Signal Strength Meter Estimate the proximity of detected Bluetooth devices using real-time signal strength indicators. Privacy Guide Learn common hidden camera locations and follow practical recommendations for manual inspections. Perfect For Hotels Airbnb Vacation Rentals Offices Meeting Rooms Changing Rooms Public Restrooms Rental Apartments Travel Why Choose Hidden - Spy Camera Detector Hidden Camera Detector Hidden Camera Finder Spy Camera Detector Spy Camera Scanner Detect Hidden Camera Find Hidden Cameras Wi-Fi Scanner Bluetooth Scanner Infrared Scanner Magnetic Sensor Detection Fast Room Scanning Simple Interface Privacy Inspection Tips Important Information Hidden - Spy Camera Detector assists users in inspecting unfamiliar environments using available device capabilities. Detection results depend on device hardware, supported sensors, surrounding electronics, and environmental conditions. The app is intended to assist with manual privacy inspections and does not guarantee detection of hidden surveillance devices.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Sensors | Hidden |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.0 (3 ratings) | 4.3 (40 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 | 40 — better |
| Update frequency | Every 21 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 3 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Egor Barabash |
Customer experience
Sensors
Hidden
In-app purchases
Sensors
No in-app purchases
Hidden
No in-app purchases
Questions
Is Sensors free?
Is Hidden free?
Which has better reviews, Sensors or Hidden?
Do Sensors or Hidden have ads?
Which is updated more often, Sensors or Hidden?
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