Is "2 liters a day" the right answer for you?
A personal coach that suggests your optimal hydration using BHI theory and weather integration.
Sip doesn't use one-size-fits-all goals. We suggest your optimal hydration based on scientific evidence.
Analyzes basic data like height, weight, and age along with lifestyle and dietary habits. Calculates the amount of water your body really needs based on medical indicators.
"Today's a scorching 35°C day." You need more water than usual. Integrates with location-based weather data to automatically adjust your daily goal based on temperature and humidity.
Water, coffee, tea, juice... not all beverages hydrate equally. Records your "net hydration" considering diuretic effects of caffeine and alcohol.
Lifestyle-based notifications for "wake up" and "arriving home," plus "hydration reminders" when you haven't logged for a while. Build habits effortlessly.
Check your weekly achievement rate and intake trends with graphs. Caffeine intake is also recorded, allowing you to analyze correlations with your physical condition.
Learn correct hydration knowledge across four categories: Tips, Beverages, Foods, and Check. Get practical information like "eating your water" and "checking urine color."
An indicator of water retention efficiency in the body, with water as the baseline (1.0). Based on this scientific evidence, Sip calculates the "actual hydration amount" according to the type of beverage such as coffee, tea, or alcohol.
Source: Maughan et al. "A randomized trial to assess the potential of different beverages to affect hydration status" Am J Clin Nutr. 2016
Intuitive operation and pleasant visual design support your daily hydration.
Just complete the simple setup at first launch to create your personalized hydration plan.
Enter your gender, age, height, and weight. Your basic hydration needs are calculated from this data.
Select your usual dietary preferences (Japanese/Western/Convenience store), caffeine intake frequency, and main activity environment.
Your daily recommended water intake is displayed based on the calculation. Automatically adjusted daily based on weather and activity level.
BHI (Beverage Hydration Index) is an indicator of the body's water retention efficiency of beverages, with water as the baseline (1.0). It was developed by a research team at Loughborough University in the UK and published as an academic paper. Sip calculates actual hydration amounts based on this scientific evidence.
Based on your device's location information, current temperature and humidity data are automatically retrieved. On days with high temperatures or low humidity, more water is needed, so your target intake is automatically adjusted upward.
Yes, detailed notification settings are available from the settings screen. You can individually set on/off for "Wake Up Reminder," "Home Arrival Reminder," "Inactivity Alert," and "Evening Alert."
Yes, when you log coffee or tea, caffeine intake is automatically calculated and recorded. You can check your daily total caffeine intake on the history screen.
Yes, basic hydration logging features are available offline. However, the weather-based goal adjustment feature is only available when connected to the internet.
Feel free to contact us for app inquiries, feature requests, or bug reports.
eerf0309+Sip@gmail.com