Third party Itsdagram app set to offer API-based upload to Instagram Published by Rafe Blandford at 20:01 UTC, May 1st 2013 WPCentral reports that Daniel Gary, the developer of Pinsation, is working on a third party app for Instagram that will allow users to register, upload, and browse the popular photo sharing social network. The app, Itsdagram, is due to be submitted to the Windows Phone Store