Brewmetry vs Watermelon Maestro

Brewmetry gives you the ratios, temperatures, and timing behind the world's classic coffee brewing methods — from pour over and AeroPress to espresso and cold brew. Pick a method, set how much coffee you're using, and Brewmetry instantly tells you how much water (or milk) you need, how hot it should be, how fine to grind, and how long to brew. EVERY CLASSIC METHOD • Pour Over (V60) • French Press • AeroPress • Espresso • Turkish Coffee • Chemex • Moka Pot • Cold Brew • Cappuccino • Latte • Mocha • Americano • Flat White • Cortado • Macchiato • Kalita Wave • Clever Dripper • Siphon • Iced Pour Over DIAL IN THE PERFECT CUP • Adjust the coffee dose and watch the water update instantly • Recommended brew ratio for every method • Target temperature shown in °C or °F based on your region • Grind size and brew time guidance MADE FOR YOU • Star your favourite recipes for quick access • A new coffee quote every time you open the app • Dark Mode and Dynamic Type support • Beautiful on iPhone and iPad • Available in English and Portuguese PRIVATE BY DESIGN No accounts, no ads, no tracking. Brewmetry works fully offline. Brew better coffee. Every single day.

Knock, listen, choose. Watermelon Maestro uses your iPhone's microphone to analyse the sound of your knock, measuring its pitch and how long it rings, then shows you a sweetness dial and a plain verdict from Skip It to Buy This Melon. Deep and resonant means ripe; high and short usually means unripe. Grounded in published acoustic research, with a five-step illustrated picking guide and seven languages built in. One-time purchase, works offline, no account required.