hDrop App vs KoopAI

hDrop is the first wearable sweat sensor designed to extract data from your sweat during exercise. Independently validated research shows that hDrop is the world’s most accurate wearable sweat sensor, helping athletes understand how much fluid and sodium they lose while training. Whether you are preparing for a marathon, triathlon, cycling event, or intense training session, hydration strategy matters. Generic hydration advice does not account for the fact that every athlete sweats differently. hDrop helps you personalize your hydration based on real physiological data. Measure What You Lose in Sweat hDrop continuously monitors your sweat during exercise and provides insights that help you understand your body's hydration demands. Track key metrics including: • Sweat Loss – Estimate how much fluid you lose during training • Sweat Sodium Loss – Understand electrolyte loss to guide sodium intake • Sweat Rate Trends – Learn how your hydration needs change with intensity and environment Build Your Personal Hydration Strategy Use your sweat data to create a hydration plan tailored to your physiology. With the hDrop app you can: • Analyze sweat loss across workouts • Understand sodium losses during exercise • Compare sessions in different weather conditions • Improve hydration planning for races and long training sessions Designed for Endurance Athletes hDrop is built for athletes who depend on hydration precision: • Triathlon • Marathon and running • Cycling • Trail and ultra endurance sports • Heat training and high-intensity workouts Scientifically Validated Technology hDrop technology has been independently validated by university research, demonstrating high accuracy in estimating sweat loss and sodium loss during exercise. The system was developed with a focus on translating laboratory sweat testing into a wearable field solution for athletes. Unlock Advanced Features with hDrop Lab The optional hDrop Lab membership provides deeper analysis tools, advanced hydration insights, and personalized hydration guidance based on your sweat profile. Hydrate smarter. Perform better. DISCLAIMER: hDrop is not intended to diagnose any health condition. hDrop is not a medical device. Please do not take any critical decisions based on hDrop's current data. Optional Add-On Terms: hDrop Lab is available as an optional add-on auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The optional subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can manage and cancel your subscription in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hdroptech.com/privacy-policy

KoopAI is your AI ultrarunning coach, with personalized training based on Jason Koop's coaching methods. Prepare for your next ultra with a plan built around your experience, recent training, available time, and target races. See your daily workouts, understand your progression, and ask your AI coach what to do next and why. Keep your training plan, completed activities, and workout feedback together, and adjust your plan when your schedule changes. With KoopAI you can: • Follow a personalized ultrarunning training plan • Review daily workouts and week-by-week progression • Ask an AI coach questions about your plan, training, and race preparation • Record completed activities and provide workout feedback • Review volume, elevation, fitness, and fatigue trends • Connect supported activity providers to keep your training history up to date • Adjust your plan when your schedule or circumstances change KoopAI supports athletes preparing for trail races and ultramarathons, from 50K events through 100- mile, 200-mile, and multi-day races. Some features require an auto-renewing subscription. Training information is for educational purposes and is not medical advice. Privacy Policy: https://www.koopai-endurance.com/app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/