I used both of them.
Ios is simple and user friendly. It doesnt waste your charge easily. You can find what do you want. And more advantages of course. But there are some disadvantages. Such as, limitations. You cant find your source files. Less connections, you cant send files to other android devices or computers, or receive.
Android is a open source software, I think. You can reach all of the source files etc. You are complately free. You can reach all files, you can download many files to your phone like computers. This is the best thing for android, it is a little computer, but if you know many thing about it. But of course there are disadvantages. For example, battary life is dead. Beacuse many apps are working on background and spend battary. There are many hidden permissions for apps, we dont know them. With these permissions they take our personal informations, even google.
