PassFab Android Unlocker is described as 'Unlock Android Lock Screen and FRP lock' and is an app. There are four alternatives to PassFab Android Unlocker for Windows and Mac. The best alternative is Wondershare dr.fone. It's not free, so if you're looking for a free alternative, you could try DroidKit. Other great apps like PassFab Android Unlocker are iMyfone Lockwiper for Android and Tenorshare 4uKey for Android.