Incompatible iPad Retina 2012?

I had high expectations ... I have a Wacom tablet for my desktop, but being able to also use the iPad as a creative area was an attractive advantage. Unfortunately, nothing to do. It is not recognized by Adobe Ideas - my favorite app - which refuses to take into account in the menu "using a pressure sensitive pen" and therefore behaves like a common finger tip, with almost no latency large. Access to pressure levels is impossible.
With Sketchbook is worse, yet the application seems to recognize it! Not only the latency is greater still, but the line materializes away from the tip (about 5mm), making it unusable by drawing. Big disappointment, but it's probably the age of my iPad is in question rather than the object, fine profile and comes in a sturdy case but a little heavy, with USB charging cable and advanced replacement. I will try soon test a new generation iPad.