Originally Posted by
Kacee
With SPG and Marriott, there's basically no benefit except you've told the hotel you're coming, so they shouldn't give your room away.
Hilton's app has better functionality and allows you to actually select your room, including an upgraded room type if you've been pre-upgraded.
Plus on the Hilton app, you get the digital key. You do not even need to go to the front desk.