You need iOS 11 or later to use Mobile Locker.
Mobile Locker can be installed on iPhones and iPads running iOS 11 or later. You will not be able to install it if you are running an older version of iOS. Learn how to update iOS on your iPhone or iPad.
Open Safari on your iPad or iPhone and go to https://app.mobilelocker.com/downloads/ios. This will take you to Mobile Locker in the iOS App Store.
Install it like you would any other iOS app.
The Mobile Locker icon looks like this.
|Log in to the app|