I was told by a fellow that this APP is a good one to have since stuff is flying off the shelves almost as fast as it gets brought in.
For instance, I check daily multiple times for certain powders at several vendors.
I caught Varget one pounders this week at Powder valley and quickly ordered.
By the time I was done, I tried to order some more for a friend and it was already toast.
Anyway, it looks like this is only available for android: