Designing for data input can be tricky. Limited screen space on a mobile device or high interaction cost can make it difficult for users to type information. There are many input options, but not all methods are suited for every task.
A common input control is the input stepper, a user-interface element for inputting numeric information.
Example of steppers: horizontal (left) and vertical (right)
Definition: An input stepper is a two-segment UI control used to incrementally increase or decrease a numeric value.
Most input steppers are visual elements of a graphical user interface (i.e., they’re GUI controls), voice and gestural interfaces can also have steppers. For example, saying “volume up”...