Piictu app invites users to communicate through photos

Piictu, a New York start-up that is part of TechStars’ New York class, is launching its iPhone app out of beta. The app invites people to interact and converse completely through photos. It has less competition now that Google’s Photovine is now retiring.

Photo finish: Upstart Photovine vs. reigning champ Instagram

Google wants to eat everyone’s cake. Photovine, the photo-sharing app built by Google’s Slide team, is now open to public use after an initial beta period, and is gunning for Instagram’s iOS App Store crown. How does it stack up against the champ?