Nettica app for iPhone and iPad

Netticas VPN Service is a modern service that tailors to your needs. You authenticate with our service using your existing Apple, Google, or Microsoft account. You can share the service with friends and family. No lock-in: pay for what you need. You can make a non-recurring payment for 24 hours or 10 days, perfect for the big game or going on vacation. For those who need reliable service all the time, we offer great subscription options on both a monthly and yearly basis.

Terms of Service
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/