Comparison

Sensors vs Hidden

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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..)

About

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.

Highlights
  • Hidden camera detection
  • Spy camera scanning
  • Wi-Fi scanner
  • Bluetooth scanner
  • Infrared scanner
  • Magnetic field scanner
  • Privacy guide
Features
Read full description

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

Sensors4 screens
Hidden4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard8 real differences · 2 level
Sensors versus Hidden: the parameters behind the verdict, then further details
ParameterSensorsHidden
Price$1.99Free — better
Rating2.0 (3 ratings)4.3 (40 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings340 — better
Update frequencyEvery 21 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.2
Further details — not scored
Size3 MB47 MB
Age rating4+4+
DeveloperPiet JonasEgor Barabash

Customer experience

Sensors

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Hidden

All ratings23 ratings
Positive91.3%
Neutral0.0%
Negative8.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sensors

No in-app purchases

None

Hidden

No in-app purchases

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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