Set up per app vpn on an iPhone

My router has VPN server on it which I use to connect back home from my phone to use SecuritySpy software, access to files on Nas and vnc to my indigo server Mac.
I read a while ago that used to be possible to set up profiles using Configutator that could do this.
I don't want to set up permanent vpn required on the phone in case the router is down. But ideally I wouldn't have to choose to turn on vpn to use those apps.
Is this possible still under iOS 11?


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