Between my friends and I, we've all owned one of each. What is it she's interested in using it for? The only one who is unhappy is the fuelband owner, and his adjective of the device being "twattish" doesn't provide much info (mostly due to it's twitter and facebook capabilities without being able to use it with something like my fitness pal). I'd prefer my up was waterproof, had I known it wasn't I would have gotten one that is.