IceGauge

IceGauge lets you rate tap water anywhere in the world. Drink from the tap, score it from 1 to 10, tag the taste, and move on. Over time you build a personal map of where tap water is great and where it's not. Every rating captures the city, taste profile, temperature, and your honest verdict. Browse your water passport, check city and country rankings, and track your tasting history. All data stays on your device. No accounts, no cloud, no hassle. Just you and the tap.