iVocaloid is the portable version of the software released for the iPad.
While this version has limited capabilities, but at the price of ¥1,800 for the iPad and ¥350 for the iPhone has made this the second cheapest version of the Vocaloid software currently on sale. Currently, this version of the software has only been released in Japanese and there is no known details on if a English version will be released or if any other Vocaloids will be released on this format for that matter. Those wishing to purchase this software must also have a Japanese chip on their iPad or iPhone to use this software.
VY2 is also available on iPhone and iPod touch in iTunes store.