Microtimer iOS App

I use the built-in iOS timer daily. I pour plaster molds where timing is critical in order to get the right mix and cure time. If you mix too little or let it sit in the pot too long you’ll waste the batch. The thing is: I hate the built-in iOS timer. First of all you have to use these dumb scrollers to pick out the length of the timer. Want twenty minutes? You have to scroll to twenty—oops, not…