Given that iOS is not that fragmented (you only need to test on a few devices) it's not really all that necessary.
With Android on the other hand it's a nightmare to test if you want to cover a lot - versions, APIs, permissions, vendor modifications, etc.
Given that iOS is not that fragmented (you only need to test on a few devices) it's not really all that necessary. With Android on the other hand it's a nightmare to test if you want to cover a lot - versions, APIs, permissions, vendor modifications, etc.