I use <strong><em>this one</em></strong>. A bit over your price range, but well worth it. It's well-made and quite rigid. I've now thrown it across the room twice, and it's still in mint condition. xD
I think I've been Looking at the same one. I'm from the UK, is this the same one? I'm confused by (Mac) part in the title
Mad Catz Micro C.T.R.L.i bluetooth controller - IOS (Mac)
https://www.amazon.co.uk/dp/B00NSGA1K2/ref=cm_sw_r_cp_awd_fSMexbVYYMWE7
That is always the biggest complaint with games like that. It didn't bother me much with Bard's Tale but I have Garou MOTW on iPad and the lack of tactile feedback is a whole different beast with a game like that. I really want to get one of these.
I use this one for my iPad and have been really happy with it.