Yes, 2014/15 SkyDemon appears to be top notch for VFR flights in Europe.
ANP lost track on customer support and further development of the app.
Jeppesen may be next rising, once they abandon their gimmicky new app.
For sharing an app like SD, have a check here:
Max 2 iOS devices - no, it is not ok to share one account, but they do offer decent discounts for groups purchase.