WaterVamp: Hydration Tracker

Stay hydrated. Stay immortal. WaterVamp is a water reminder and hydration tracker wrapped around a chaotic little vampire who thinks water is blood — and keeps you drinking anyway. YOUR DAILY BLOOD RITUAL Log your "blood" with one tap. Watch your animated vial fill as your vampire grows stronger. Hit your hydration goal and the castle celebrates. - Quick-add: +100 ml / +250 ml / +500 ml - Custom amount — enter any quantity you like - Animated vial with a hypnotic wave fill effect - 36 rotating vampire taglines reacting to your hydration level - Drop animation & haptic feedback on every single log Your vampire reacts to your water intake. Ignore it long enough... and it gets thirsty. ANALYZE YOUR HUNTS Stay on top of your immortal performance with rich visual history and data. - 7-day colour-coded bar chart - Current streak, best streak, daily average - Thirst Mode — special mascot reactions after evening inactivity - Premium: 30-night heatmap (10x3 grid, 30 days at a glance) - Premium: Hourly breakdown chart REMINDERS THAT BITE A smart water reminder that nudges you to drink before the real thirst kicks in. - Scheduled daily repeating reminders to drink water - Rotating vampire messages: "Time to feed." / "Your blood level is low." / "You look pale. Drink water." / "Stay immortal. Stay hydrated." - Free: up to 2 reminders per day - Premium: unlimited reminders UNLOCK THE COLLECTION 12 dark achievements across 4 categories. Earn them. Collect them. Fear them. Fresh Blood — 3-day streak Still Undead — 7-day streak Immortal Habit — 30-day streak Century Sips — 100-day streak Early Bat — First drink before 6 AM Daywalker — Daily goal hit between noon and 5 PM Nocturnal Hydration — 3 drinks logged after 10 PM Flood Warning — Drink twice your daily goal Social Bat — Share the app with a friend The Big Gulp — Single entry of 500 ml or more Hydro Lord — 100 L consumed in total Royal Blood — Exclusive badge for Sang Royal members EVERY VAMPIRE HAS A STYLE Personalize your fill visualizer. Because no two vampires are alike. Fill styles: - Bottle (free) - Glass / Coffin / Circle / Pool (Sang Royal) Dark theme variants: - Void — deep dark violet, the classic crypt - Abyss — deep purple, for the truly dramatic - Crimson — near-black red, no garlic allowed Light mode available for the daywalkers among us. SANG ROYAL - GO PREMIUM Unlock the full vampire experience and rule the night. - 4 exclusive fill styles: Glass, Coffin, Circle, Pool - 30-night hydration heatmap - Unlimited daily reminders - Hourly history breakdown - Exclusive Royal Blood achievement badge Available as a monthly or yearly subscription. YOUR DATA STAYS YOURS WaterVamp stores all data locally on your device. No account required. No data is ever sent to our servers. Your blood count stays between you and your vampire. WaterVamp is the water tracker and daily water reminder that turns drinking water into a habit you'll keep. Don't end up dry — join the nocturnal community that actually drinks water. The castle is ready. Are you?