Drink water.
Stay on track.
A simple, clean, local-first water tracker built around your daily rhythm.
Personalized Starting Goal
A deterministic, explainable daily hydration target calculated locally from your body details and awake schedule.
Instant 1-Tap Logging
Log your water in less than a second with customizable quick-add presets (+100, +250, +500 ml) or custom amounts.
Calm Water Progress
Gentle sinusoidal liquid waves and clean metrics that answer "How much have I had?" and "How much is left?" instantly.
Habit Diary & Streaks
A supportive, non-shaming 7-day calendar strip and water bar visualization to help you notice your steady rhythm.
Gentle Reminders
Calm Android reminders scheduled strictly during your active awake window that automatically pause when your goal is met.
100% Local-First Privacy
All drink logs, profile data, and settings remain on your device. No cloud synchronization, no analytics, no tracking.