This paper is focused on comparison of interface quality of mobile access to the services of selected banks. Main factors, which wereused in the comprising process are: safety, availability on the mobile platforms, time and simplicity of task performing, intelligibility, design, comfort, number of functions. Research was made using 4 methods: surveys, corridor tests, expert tests and eyetracking. As a result T-Mobile Banking Services won in three categories: intelligibility, design and simplicity while mBank is better in responsiveness, availability and has more functions to offer