Sibs is a free iPhone application developed by Social Bartering System Inc. falling under the Lifestyle category with a focus on Shopping. The app aims to facilitate connections between users for trading purposes. Users can engage in a variety of trading activities, fostering a community centered around exchanging goods and services.

With Sibs, users can create profiles, list items or services they are willing to trade, and browse offers from other users. The app provides a platform for users to negotiate trades, communicate with each other, and arrange meetups for exchanging items. Sibs offers a unique way for individuals to connect through trade, promoting a sense of community and resourcefulness.