TW said the other day that people were raving about Affinity Photo.. just been having a look at it. £30 buys at the moment.
Good App Store reviews from those professing professional status with a small group pounding Adobe and in this case Ps. So it is pants for stability- I am not alone. However, I have had Affinity Designer for a while. Not hugely stable either.
LP-All that glitters is not gold.