Vine ++ is a jailbreak tweak that allows you to download videos from Vine to your Apple iPhone. The app also allows you to turn off auto play which is pretty annoying. Make sure you have Vine v2.5 or higher version installed on your iPhone before you proceed.
After downloading Vine videos on your iPhone, you will be able to find them in your camera roll. There are no options to configure. Here is its official description:
Vine++ is a tweak which allows you to download videos from Vine to your camera roll. It also allows you to turn off autoplay.
To install it search for Vine ++ on Cydia which means you will have to jailbreak your iPhone.