Count up Timer App Where User can start, stop and pause the timer. The timer will be increment or decrement according to the current value of “Increment By”. The value of “Increment By” can be changed using the stepper provided and can vary from -10 to 10. The value of the timer cannot go in negative. The minimum value of timer can be “00:00:00”.

• swift 4
• xcode 10.1
• MacOS Mojave 10.14.3