Originally Posted by
Compliment
There is no IBIS Card anymore as far as I know. IBIS Card was changed into Voyaguer this year.
Nevertheless, I still don't know if I can book with one account and get points on the other account.

ALL Plus Ibis does still exist on my page, and also ALL Plus Voyaguer.
Just like other membership mechanism, you're unable to claim or get any point or reward from different membership number, unless you merger them.