I’d say, just ask her which one she would actually use! Then buy accordingly! Nothing like discussing the options before a purchase.
That's actually what I ended doing. She felt that a Garmin handheld GPS with topo maps and an electronic compass (eTrex 32X) would be best for her right now.
She'll also be getting a rifle that she's been wanting as a graduation gift. She's a great kid who worked real hard to achieve her childhood goal of becoming a veterinarian.
A bit later I may also surprise her with a PLB. Cheap insurance.