Wataa

Hydration alarm for Android

Drink. Water. Now.

Every other reminder app sends a notification you swipe away without reading. Wataa rings like an actual alarm, and the only way to stop it is to hold a glass on screen until it fills. By the time it's quiet, you've already had the water.

Free on Google Play, with no accounts, no ads and no subscriptions.

A ringing Wataa alarm filling the phone screen with the words drink, water, now, above an empty glass waiting to be held.

What makes it work

A reminder you can ignore isn't a reminder.

Wataa is built like an alarm clock, not a to-do app. That single decision is what changes the outcome.

🥛

Hold to pour

No snooze-by-reflex. You press and hold a glass until it fills, and let go early and it drains. The gesture takes a few seconds, which is exactly long enough to pick up a real glass.

⏰

A real alarm

Exact alarms, full screen, over the lock screen, at maximum alarm volume. It behaves like your morning alarm because that is the only kind of reminder people actually answer.

🔕

Your call on noise

Sound and vibration, sound only, or vibrate only. In a meeting, vibrate-only leaves the volume untouched and still gets you up.

📺

Interrupts on purpose

Turn on "Notify over other apps" and a ringing alarm takes the screen even mid-video. It is off by default, because that level of rudeness should be something you ask for.

🌡️

Knows when it's hot

Optional smart alerts check the heat index where you are and change the alarm's message when the weather turns dangerous. Off until you switch it on.

📈

Streaks worth keeping

Cups today, current and best streak, the share of alarms you beat and your fastest pour, plus a seven-day chart. Enough to make you competitive with yourself.

Three minutes to set up

How it works

Set your goal

Answer three questions and the calculator suggests a daily target, or type your own. Cup size is yours to pick too.

Choose your hours

A start time, an end time and an interval. Wataa fills in the schedule and never rings outside your window.

Answer the alarm

When it rings, hold the glass until it's full. The glass is logged, the streak survives, and the next one is already set.

A look inside

Loud where it counts, quiet everywhere else.

The Wataa dashboard showing cups drunk today, streaks and the next alarm.
Today at a glance, with the next alarm on top.
A ringing Wataa alarm filling the screen with the words drink, water, now.
The alarm, mid-ring. There is no dismiss button.
The glass on the alarm screen filling with water as it is held.
Hold to pour. Let go early and it drains.
The Wataa reports screen showing hydration history and streaks.
Reports: streaks, alarms beaten, history.
Wataa settings showing the reminder schedule and alert mode options.
Settings: schedule, alert mode, alarm sound.

Privacy

Your water log is nobody's business.

Wataa has no servers of its own. In practice that means:

  • No account, no sign-in, no email required.
  • No analytics, no advertising, no tracking libraries.
  • Your goal, your schedule and every glass you log stay on your phone.
  • Location is requested only if you switch smart alerts on, and is used only to ask Google's weather service how hot it is.
Read the full policy