Sweetspot for iPhone
http://www.onsweetspot.com/A new, simple way to discover and curate favorites experiences
** update: Sweetspot shut down on September 15, 2015 ** Sweetspot is a simple way to discover, curate and share your favorite experiences. Whether you're sharing a list of your hometown favorites, creating a beautiful guide to Soho, or keeping track of summer road tripping adventures, Sweetspot is designed with your digital life in mind.
Angel list: https://angel.co/company/sweetspot-for-iphone