Suayves - Hydration & Weather

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Content rating
Everyone
10+
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Content rating
Everyone
In-App Purchases
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About this app

Whether you're hiking, biking, taking a stroll, or working outdoors, enhance your performance, safety, and enjoyment in outdoor activities with Suayves, the ultimate hydration companion.

Suayves provides personalized hydration plans tailored to your physiology and the forecast weather conditions. We let you know when it's too hot to go, with the professional sports and military-grade wet-bulb globe temperature (WBGT) based heat stress warning flag system.

• Plan your activity with an hourly forecast for the next 24 hours
• Receive flag alerts for unsafe WBGT levels during your activity plan
• Receive a customized water intake plan based on the intensity and duration, your physiology, and WBGT conditions
• Suayves' activity logging reveals your actual sweat rate, giving you insight and the control to customize your unique hydration needs
• Select your preferred bottle size to make pack-planning easy
• Fine-tune the algorithm for you by logging your water loss and intake
• Science-driven planning for peak performance in any environment
Elevate your activities with personalized, weather-wise hydration planning
Updated on
Aug 12, 2026

Data safety

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
    Location and App info and performance
  • This app may collect these data types
    App activity and App info and performance
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

* Now uses open-meteo for weather data
* Calculates WBGT using Liljegren algorithm
* Removed Cycling toggle - Added support for activity speed -- apparent wind adjusts perceived WBGT when calculating sweat rate
* UI Improvements
* Privacy Policy updates, activity logs are now device-local and never transmitted to Suayves
* Feedback form removed and replaced with an email action