GOOSE VPN works best on the latest version of iOS, because we use the latest protocols. If GOOSE VPN does not work optimally, try updating your iPhone or iPad to the latest version. But how do you see which version you are currently using?
Navigate to “Settings” and then go to “General”. Here you will find your general settings. At the top you will see "Info". Here, you will find all information about your iPhone or iPad, including the version.