To choose the right service, you need to use reviews and recommendations, this is true

It's hard to tell right away, you need to study the issue in more detail

In principle, you can use this option

I don't think this is the best solution in this situation, there are alternatives

It seems to me that I have seen a number of good options to resolve this issue. But for a large number of mobile applications by type of app scanner iphone, this design is relatively unified on the main templates. But you may have to spend less time searching.