Amongst the nearly 20 percent of smartphone owners using online banking via their mobile device, a growing number is accessing these services on a daily basis. The number of daily users has risen 136 percent since last year, with 889,000 smartphone users (3.5 percent of total smartphone audience) making use of the service in December 2011.For more information about online banking in Europe, read the press release titled 'The Netherlands and France Have the Highest Penetration of Online Banking Users in Europe.'