Besides the obvious difference in that you can make mobile bets anywhere within the state, there are a couple of main differences between the two. Both are great options and depend on the player, as both offer the same product of sports betting. Betting at a William Hill retail location can be done legally in more states and also will have ways to both watch the game and cash out immediately on site. Mobile betting is certainly more convenient and will allow you to quickly make bets without any disruptions.