Hyperdimension Neptunia The App (神次元アプリネプテューヌ, Kami Jigen App Neptune, lit. Ultradimension Neptunia The App) is an interactive game application developed by Idea Factory and published by Compile Heart in Japan and NIS America in North America and Europe. It is available for Android OS devices for Japanese users and iOS devices for English and Japanese users. It allows the user to interact with Neptune and optionally Noire on their devices, from hearing dialogues to "taking pictures with them". Version 5.0 released Nepgear as a character for the Japanese version only. Later, Version 6.0 released Vert and Blanc which are also exclusive to the Japanese version.