The PF thing is a bit more heel specific and for me it's like someone has put a nail in my shoe in the centre of my heel and when its really bad I tend to walk toe down.. My nhs insoles are built up in stages under my instep to take the pressure off my heel and after a few weeks using them it's history but will come back if I don't use the insoles ( I have 2 pairs of insoles but more than 2 pairs of shoes!)
When it's bad I religiously wear the insoles but as it gets better I tend not to bother swapping the insoles about in different shoes, especially cycling shoes ..
The referral at the hospital was interesting.. it was a young woman, looked like a child but knew her stuff, had me walk barefoot up and down the room and spotted it straight away.
I would advise anyone genuinely suffering with PF to go get a referral from your doctor rather than make do with off the shelf ones..