Board Thread:Love Live! School Idol Festival Lounge/@comment-25605382-20141031152604/@comment-10063445-20141031154501

It purely depends on which version of the game you mean.

If you mean the EN version, it's around 350 MB. And for the JP version, it's 782 MB. Atleast these are the sizes for me. ^^ ( Do note that the games are still getting bigger :P)