Of course that is highly depdendet on the bank used, but so far none of my banking apps didn't work! If you are using a rather popular banking app, chances are

Of course that is highly depdendet on the bank used, but so far none of my banking apps didn't work! If you are using a rather popular banking app, chances are high that it has been discussed in the GrapheneOS forum. Anyway, with google play services installed, mine have worked out of the box.