What camera do I buy? / general gear talk

if she's editing on a phone/tablet - lightroom mobile is free and pretty easy to get in to.

I've not used it but Darktable is meant to be good (and free).

If you're looking at something on a Chromebook then probably Polarr is the best option.

Just came across this - haven't tried it, but it's free.
http://aignes.com/pixishot.htm