As a Flow/BR team member I'm in RF apps 99% of the time. I only really use Item Search to check other stores. I'm usually toggling between STO and NOP my entire shift. I find it easier to pull out my phone and search for an item on the Target app, then type the UPC into NOP to get a location, or STO to see if it's located in the back. Then, on my way to the back I can toggle and log in to SUBT.
For me to use Item Search I have to toggle, log in, type it out on the keybord that's A-Z when I'm used to QWERTY, then go through categories to find the product. It just takes longer.