See the
press release here and discover that Rabobank will use its mobile banking app also for Ideal. It is announcing that this is an experiment, to be the first Dutch bank to find out how this works. This going-for-it-alone-approach might raise a few eyebrows with other banks and Currence though (scheme owner of Ideal). Yet, it is only an experiment, so other banks may benefit from skipping part of the learning curve...