Google Play shows that Hidden Camera Detector is rated 4 by its users. There are adverts in this application. The statistics reveal that the app is popular mostly among Samsung and Huawei users.
It's free of charge to get the .apk file of Hidden Camera Detector and you can have a look at users' reviews on Droid Informer. This application installer requires 3 MB of free space to run on Android 4.0 and higher.
From the users' point of view, the benefit of the app is a nice UI, but some people mention that the weak side of this application is video advertising.