There are some small differences when installing Hotspot Shield on iOS 11 + devices than the previous versions:
To get VPN360 app installed, please do the following:
1. On your iOS device, go to the App Store and download VPN360.
2. Once the installation process is done, you will be asked to open the application. From there you should follow either be able to sign in or swipe all the way to the right and click on "proceed with basic."