Underbanked* households were considerably more likely (32.4 percent) than the fully banked (21.6 percent) to use mobile banking as the main banking method. Monitoring of account balances or recent transactions were the most common mobile banking activity (86.0 percent of mobile banking users). Underbanked households were also more likely to have used mobile text alerts than fully banked households.

FDIC National Survey of Unbanked and Underbanked – 2014
*Underbanked is defined as households that may have a bank account, but have also obtained financial services and products from non-bank, alternative financial services (AFS) providers in the prior 12 months.