About Hydra

How to use it

1. 1Tap Log a drink every time you finish a bottle. Each tap logs one 700 ml serving.
2. 2Watch the bottles under Today's bottles fill one by one as you log, until you reach your daily goal.
3. 3Check Today, Remaining, and Streak for a quick read on where you stand.
4. 4Logged by mistake? Tap Undo last to remove your most recent entry.
5. 5Tap the gear icon in the top right to change your goal or serving size, or turn off sound and vibration.
6. 6After each log, a quick Did you know? popup shares a water fact — tap "Got it" or outside it to dismiss early.
7. 7Last 7 days shows your recent history, and your log resets on its own each night.