I have a Windows Phone, my brother also owns a MS Band and he has an iPhone (not the latest, but the one before), another family member has an Android phone (Ga

I have a Windows Phone, my brother also owns a MS Band and he has an iPhone (not the latest, but the one before), another family member has an Android phone (Galaxy something). The MS Band app is available on all three stores but only mine integrates with Cortana (which is great).