Move your phone in surroundings with Hidden Camera Locator opened in it. It will give a beep when it finds a hidden spy bug or electronic device.

If for some reason reading of Bug Detector simulator is stuck on very high without any magnetic distortion nearby Just shake the phone 4 to 5 times to re calibrate the sensor
Features:
Microphone Detector app


Detect Listening Devices and spy bugs

Electronic Bug Detector

Detect Hidden Camera

Hidden Microphone Detector

Hidden Camera Detector

Listening Device Manager

Electronic Bug Sweeper

Scan Bugs

Hidden Device Detector

Hidden Camera Detector

Hidden Microphone Detector

Detect Hidden Cameras and Microphones Detector

Surveillance Devices Detector

Detect Bug is a must have app for your phone if you travel and mostly use public spaces. This would save you from embarrassment.