Here's how you can download the Vine app free for your iPad, iPhone, iPad mini or iPod Touch.
1. Go to the Vine app preview page in iTunes (or tap the link on your iOS device to install the app directly).
2. Click the View in iTunes button.
3. Click the Free button to download the app.
4. Sync your iPad, iPhone, iPod Touch or iPad mini with iTunes to install the app.
Here's a description and screenshot:
"Vine is the best way to see and share life in motion. Create short, beautiful, looping videos in a simple and fun way for your friends and family to see.
• Unlimited uploads and free
• Instantly post videos on Vine, then share to Twitter and Facebook (more coming soon!)
• Find, follow, and interact with people close to you
• Explore trending posts, featured hashtags and editor's picks
• And so much more"