Water Zero — Hydration Tracker
One tap widget, drink log
About
This app calculates your personalized daily water intake goal based on your body and activity level. It features a one-tap widget for quick logging and offers a simple, ad-free experience without subscriptions or accounts.
What's New in Water Zero
1.0.2
August 6, 2026
Developer apps
FAQ
How does Water Zero calculate my daily water goal?
Water Zero calculates your target intake based on your body mass, sex, and activity level, using published water-turnover research. This differs from generic recommendations as it's tailored to your individual needs.
Does Water Zero have ads?
No, Water Zero is completely ad-free. The app is designed to provide a seamless experience without any advertisements interrupting your tracking.
Can I log drinks other than water with Water Zero?
Yes, Water Zero counts all drinks, including coffee and tea, towards your hydration goal without penalties. You can log the specific vessel you used or enter a custom amount.
Is Water Zero available on Android devices?
Currently, Water Zero is only supported on iPhone devices. The app was released on August 6, 2026, and its platform compatibility may expand in the future.
How do I log a drink with Water Zero?
You can log a drink with a single tap directly from your home or lock screen widget. This allows for quick and convenient tracking without needing to open the main application.
What happens if I accidentally log a drink in Water Zero?
If you mis-tap the widget, you can easily undo the last entry from the main screen of the Water Zero app. This ensures your log remains accurate.
Does Water Zero require an account or subscription?
No, Water Zero does not require an account, sign-up, or subscription. It is free forever for logging, and all your data stays on your phone.
How often is Water Zero updated?
The latest version of Water Zero is 1.0.2, and it was last updated on August 6, 2026. Future updates will likely focus on maintaining functionality and potentially adding new features.
