After three weeks of testing :
Considering the fundamental lack concerning the overlay mask, in addition to the destructive raw-development, which, once done, you can´t get back to, affinity is not usable for me. I mean, everybody whose profession is working with images, will miss at least both features and I fear, there will be some more surprises. The fact, that people are complaining about both issues since years, doesn´t give me much hope for soon improvement. That´s why I won´t invest any further time in getting into it.
At first I was quite thrilled about the application, it´s complexity, the many very good pro-features and, last but not least, the prize, but finally I have to realize, that it is kind of only semi-professional. For those, who have fun with playing around with pictures, it is an incredible app, with many more possibilities, than they will ever use - but for me it`s not satisfying. So, at the end, I will purchase an AP license for my son and continue with Photoshop ...