The HouseTax application is specifically designed for recording the data of public utilities’ consumption (i.e. water, gas, electricity). The keyboard is set to numeric mode as a default, thus the user can enter numerical information conveniently without having to constantly switch between alpha and numeric modes on the keyboard (after pressing the spacebar). The data from two separate apartments can be entered and saved using the app. For user convenience the flashlight is accessible in only single taps of the keyboard and can be quickly switched off when no longer needed.