Startup Idea: Food Macro Tracking App

Startup idea to develop a mobile app that integrates with a digital scale to easily track and calculate macros intake. The user inputs the food item, weighs it before and after eating and then the macros are calculated and displayed for daily tracking.

I wish I had something that could more easily track what I eat. So maybe something that works with a digital scale for tracking macros.

You'd enter the item that you are eating, then weight it, then weigh it again after taking your serving. It would then do the math and display your macros to you for tracking daily.