Asks you to choose the type of caffeinated drink (coffee, espresso, cappuccino, or a soda) and logs the caffeine content into the Health app. Also compares against the daily recommended limit of milligrams of caffeine.
Caffeine values based on average estimates – better to overestimate and avoid an overload than underestimate to maybe not get enough.
Also accounts for 2/3 of the drink being water and logs those ounces into Health as well – although it’s still dehydrating.