Secret AppLock for Android is described as 'Secret AppLock is an App Locker , App Protector, privacy guard that will protect your installed applications using a password, pattern, Gesture, Pin Lock! PIP lock screen Theme is Waiting '. There are more than 10 alternatives to Secret AppLock for Android for Android, Android Tablet and Blackberry. The best alternative is AppLock, which is free. Other great apps like Secret AppLock for Android are Photon App Lock (Free), Smart App Locker (Free), Leo Privacy (Free) and App Lock and Gallery Vault (Freemium).