Many APKs claiming to "hack WiFi" simply show you a loading bar, run a dictionary attack of 100 common passwords (e.g., 12345678 , password , 00000000 ), or do nothing at all.
If you insist on using an APK for WiFi password retrieval, here is the reality check on the most popular names in the space:
Most “APK WiFi Password” apps are . On modern Android, they can’t deliver what they promise without root, and even then, better free tools exist.