Use APKPure App
Get Wi-Fi Detector old version APK for Android
This program is intended for search of free Wi-fi access points.
By means of this application you not only will be able to find free Wi-Fi, but also to define an exact place with the best signal! The program can work in a background mode at blocked phone, at detection of free Wi-Fi you will hear the detector sound which frequency will increase with improvement of quality of a signal.