(Telecompaper) The ING banking app is installed on 29 percent of Dutch smartphones, equal to 3.5 million devices, making it the most popular mobile banking app in the country. Rabobank's app is on 3 million smartphones, and ABN Amro counts 1.9 million. The ING banking app has a similar level of penetration among all age groups, while apps from banks such as Rabobank and ASN Bank are more age-dependent, according to the February edition of Telecompaper's Dutch Apps Market report.