Day 28 was straightforward—a review quiz and some challenges for us to modify our most recent app. Onward! #100DaysOfSwiftUI

An iOS simulator displays an app called BetterRest. The user has set a wake-up time of 7:15 AM, a desired sleep duration of 7.5 hours, and a daily coffee intake of 3 cups. The calculated ideal bedtime is 10:55 PM. There is no pop-up or OK button visible.