Rich Pins provide more context about an idea because they show extra information directly on a Pin. There are four types of rich Pin: app, product, recipe and article.
Product Pins make shopping easier. They include real time pricing, availability and info on where to buy your product.
Recipe Pins get cooks excited with all the right info: ingredients, cooking times and serving sizes.
Article Pins help Pinners save stories that matter to them. Each article Pin shows a headline, author and story description.
These Pins show an install button so people can download your app without leaving Pinterest. For now, app Pins are only compatible with iOS.