WILL NOT LOAD

Ive tried downloading this game 5 DIFFRENT times and each time I wait almost an hour for it to download before it says network error and force closes ?, ITS ANNOYING AS HELL I want to play this game so bad and Ive heard so many good things about it but it wont load!!!, and its ridiculous because although I have an iPhone 6 Plus, one of my friends has an andriod lg phone and it works perfectly fine ?, Ive tried downloading it on my old note 4 and it STILL didnt work , idk whats going on please fix it ASAP

Xavier36512 about DRAGON BALL Z DOKKAN BATTLE, v3.1.1