PostSecret Universe is an engaging lifestyle app designed for iPhone users, inviting them into the intriguing world of secrets. Developed by Frank Warren, this app features over 500 unique postcards, audio secrets, and app secrets that are easily navigable by connections and themes. Users can delve into the stories behind these secrets and understand their impact on the community, creating a rich experience that resonates on multiple levels.

The app offers a variety of features, including exclusive content with never-before-seen secrets, a virtual tour of the PostSecret Headquarters, and animated stories that reveal the inspiration behind the project. Users can also create their own collections and share secrets with friends, while searching for hidden Easter Eggs throughout the app. The PostSecret Universe promises a unique adventure filled with unexpected discoveries.