I have an iPad and think it fantastic. But it is a matter of personal preference. As you already have a Samsung phone, you are familiar with the Android operating system which is a huge plus.
For those used to iOS, the change to Android can be jarring.
Other than the aesthetics and functionality of the operating systems, it come down to how the tablet feels in your hand (weight/shape/size etc.) and of course the all-important apps. Pretty much all of the popular and most sophisticated apps are on both platforms...