The Geca Watch uses light to measure hydration levels in the skin and sends real-time updates to the companion app. Let the app guide you through a calibration process to get feedback about your hydration and track how much you actually drink. You’ll also get recommendations so you’ll know exactly how much water to drink to stay hydrated. Build healthy habits by tracking your daily and weekly hydration trends in the dashboard. Improve your health and wellness through optimal hydration, every day.
Updated on
May 11, 2026
Health & Fitness
Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
This app may collect these data types
Location and Personal info
Data is encrypted in transit
You can request that data be deleted
See details
What’s new
• Added edge prediction compatibility • Added dark mode • Redesigned the Adjust Predictions screen • Added scrolling and extended weekly Hydration history (up to 4 weeks) • Bug fixes & performance improvements