Do Bug Detector Apps Work

If you are wondering whether bug detector apps work, here we will compile the most comprehensive information about it for those who want to use their smartphone as a bug detector.

Read more here for the best bug detector in the market this year, and if you would like to create your own, you may check this learning guide for a DIY bug detector.

Hidden Camera Detector

Do Bug Detector Apps Work?

Experts agree that not all apps can provide the highest quality and efficiency. You can expect decent results depending on the app in question. A specific level of effectiveness can be achieved by considering the particular camera model.

Many hidden cameras on the market and radio-frequency (RF) detectors are used in “nanny cams” to stream images. Only a few have cameras that are very hard to detect.

A good bug detector app can protect you from electronic eavesdropping devices. It can help you find hidden cameras and listening devices and even give you a heads up when someone is trying to hack into your computer.

a list of some of the great apps out there includes [most of these work for both Android and Apple]:

  • Hidden Camera Detector
  • Spy Hidden Camera Detector
  • Spy Camera Detector and Hidden Camera Detection 
  • Hidden Camera Finder 

While more advanced brands like Nest and Canary have reportedly also been used for spying purposes, these are still great options for catching standard low-quality cameras like the ones sold in general stores. Their wide range of features, ease of use, and different notifications will help you find cameras that might have otherwise slipped past you. It doesn’t mean that you can entirely rely on them as only familiar and basic types of hidden cameras can be detected with them anyway.

How Does a Bug Detection App Work?

Bug Detector ScannerFirst of all, the user needs to download the application on his smartphone. Most of the apps are free and available in the Android or iOS app store. At the same time, the complex configuration of such applications is usually not required.

The app works by using the specific features of each smartphone. Some applications use the smartphone to analyze the radiation emitted from a “bug”. The scope of this analysis takes into consideration the magnetic field that the spy device can produce. 

Each application can provide different types of audible or visual alerts when detecting a spy device. The radiation produced by the other cameras is at a similar level. When the radiation found in the environment matches the approximate value of the electronic device or camera, alerts are produced. (1)

Other applications require a smartphone camera for detection. This option is only for finding spy cameras. The camera produces a particular infrared light, and the camera detects the reflecting surface. Once the reflective surface is found, the application informs the user. (2)

Four Best Bug Detector Apps for Android, iOS, and iPhone

Not all applications are equally practical. The following options are best suited to detect a bug.

Hidden Camera Detector

It uses the cell phone’s magnetometer function to find a spy device. Once a spy device is found, the app emits a sound in the form of an alert.

Google Play Store rating: 3.8 / 5 

Spy Hidden Camera Detector

This application requires a one-time payment. There is a trial version. Its functionality incorporates spy camera detection in automatic or manual mode. It also includes an EMF scanner.

Apple App Store Rating: 4.1 /5 

Spy Camera Detector and Hidden Camera Detection 2020 

This app also uses a magnetic sensor to detect radio frequency signals and a camera to detect spy cameras. It is an app that adapts to phones that do not have magnetic sensors.

Google Play Store rating: 4.6 / 5 

Hidden Camera Finder 2020

The user will be able to use this application and detect spy devices from their camera. The functionality is similar to other apps, but the level of efficiency and higher, as mentioned by users.

Google Play Store rating: 4.7 / 5


It is necessary to consider that bug detector applications are just a start when you want to find any spy device hidden in a place. 

If you run into any problems or have any questions, please comment below, and we’ll get back to you as soon as possible.


(1) electronic device –
(2) infrared light –

About John Fox

ebbb364ee14268bd3b77496cab3d1d78?s=90&d=mm&r=gJohn Fox has worked as a security consultant for over 20 years. During his time in the industry, he's learned about what it takes to ensure your home and family are always safe.

With Safe Now, he's taken those two decades of experience and decided to share it with others to help them figure out how to make the right choices for their businesses and families.

John writes tips and guides to prevent crimes, as well as product recommendations, and tips for what to do in case of an emergency and how to protect yourself at all times.