Inapp-purchaseTo upgrade to pro.
Device and App HistoryCollect logs when the user reports an issue to the developer
IdentityPre-fill the account email field when signing up.
PhoneHide GalleryVault icon and launching GalleryVault by dialing
Photo/Media/FileHide and encrypt files
CameraTake photos when input wrong password if Break-in Alert is enabled
WLAN Connect InformationCheck if WLAN is enabled and avoid using Mobile Data when sync files with cloud 
Device Id & Call InformationDelete the call log after launching GalleryVault by dialing to avoid password leak.