Passepartout is a non-official, user-friendly OpenVPN® client for iOS.
With its native look & feel, Passepartout focuses on ease of use. It does so by stripping the .ovpn flags that are today obsolete or rarely used. Passepartout can connect to a few well-known VPN providers or import .ovpn configuration files. Trusted networks are also supported along with other cool features.
A macOS version is among the goals of a Kickstarter campaign.