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About
Your scientific water intake assistant, say goodbye to blind water consumption
Are you still confused about how much water to drink every day? HydrateSmart, based on the standards of the World Health Organization (WHO), provides you with a personalized scientific water intake plan. Say goodbye to the one-size-fits-all concept of "8 cups of water per day", and make your water intake more scientific and personalized.
Scientific calculation, tailored to you:
According to the WHO standard formula: 35ml × weight (kg) × activity coefficient
Supports weight ranges of 20-300kg, covering all kinds of people
5 activity coefficient options: sedentary, light, moderate, heavy, and athlete
Accurately calculate your exclusive daily water intake recommendation
Information and Data:
1. Information collection; We only collect necessary application usage data, including your water intake records, weight information, and activity level settings. All data is stored locally on your device and will not be uploaded to our servers.
2. Health data; If you choose to authorize health applications to access your data, we will synchronize your water intake records to the Apple Health application. You can revoke this permission at any time in the system settings.
3. Data security; We employ standard iOS security measures to protect your data. All sensitive information is stored through iOS's security framework.
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What's New in Smart Water Tracker
1.0.1
June 9, 2026
Fix known issues


