Water.io - The Smart Bottle is an iPhone app developed by Waterio LTD, available for free in the Lifestyle category with a subcategory of Health & Fitness. The app is designed to enhance users' lives by improving their hydration habits. It creates personalized hydration profiles based on physical details to set daily hydration goals.

With the Water.io Smart Bottle, users can easily track and monitor their hydration levels throughout the day. The app sends reminders to ensure users stay hydrated and never miss a beat. Additionally, users can input sports activities and workouts or sync the app with popular sport apps like Garmin and Strava to adjust hydration goals based on activity types and other parameters.