Easily calculate and track the Langelier Saturation Index for your pool water. Maintain optimal water balance for a healthy and safe swimming environment. Supports multiple units and saves your calculations over time.


228+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our lsi calc db water balance log list covers 228+ iPhone apps and games updated through June 2026. Compare ratings, prices, and screenshots in one place.


Easily calculate and track the Langelier Saturation Index for your pool water. Maintain optimal water balance for a healthy and safe swimming environment. Supports multiple units and saves your calculations over time.






This app helps you maintain regular hydration by calculating your daily water intake needs and sending timely reminders. It offers statistics, motivational awards, and useful tips to encourage healthy fluid consumption. Integration with Apple Watch and Apple Health enhances its functionality.





This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.


This app helps you track your daily water intake with personalized charts and reminders. Easily log your consumption, customize cup sizes, and monitor progress towards your hydration goals. It integrates with popular health platforms and offers premium features for enhanced habit building.


Monitor your home's water consumption with this app. View detailed usage history, identify leaks, and understand your water usage trends. Connect to your supported water utility account to make your water usage visible.


This app helps you track your daily water intake and reminds you to drink at optimal times. It allows you to set personalized goals, log consumption, and visualize your progress with historical data. Stay hydrated for better health and well-being.


This app helps you track your daily water intake and reminds you to drink regularly. It calculates your personalized daily water goal based on your gender and weight, and offers features like a diverse drink menu and smart reminders to help you build healthy hydration habits.


This app helps you build a lasting hydration habit by calculating personalized daily water goals and providing timely reminders. Track various beverages, compete with friends, and unlock achievements to stay motivated and improve your overall health and well-being.


This app provides customizable reminders to help you stay hydrated throughout the day. It features a friendly interface with a cute assistant to guide you, a water diary to track your intake, and the ability to count water from various drinks. It also supports cloud data storage and integrates with Apple Health.


This application helps users track their daily water intake and provides timely reminders to ensure they meet their hydration goals. It features a calculator to determine personalized daily water needs based on weight and customizable notifications to prompt drinking throughout the day.


This app helps you stay hydrated by calculating your personal daily water goals and sending custom reminders. Track your progress, add various drinks, and stay motivated with streaks. Unlock advanced features with a subscription.


This app offers a smart calculator experience across iPad, iPhone, and Apple Watch. It features a history of calculations, the ability to edit equations, and a convenient dark mode. Easily share your results and enjoy enhanced productivity with its user-friendly interface.


This app helps you monitor your daily water consumption with customizable reminders and detailed logging. It integrates with Apple Health to personalize your hydration goals based on your weight and gender. Track various glass sizes and easily review your history to improve your health.


Experience ultra-realistic physics-based water simulation with Pouring Master 3D! Perfect your pouring skills in a fun and engaging way. Master the art of pouring today!


This app helps you track your daily water intake and reminds you to stay hydrated. It calculates your body's water needs, allows custom drink volumes, and tracks historical consumption. It also supports nutrition tracking and integrates with Apple Health.


This app helps you track your daily water intake with personalized reminders and visual progress. It calculates your ideal daily water consumption based on your physical attributes and country, ensuring you stay hydrated for better health and energy levels.


Easily monitor your daily water consumption and achieve your hydration goals. This app offers simple logging, personalized reminders, and a clean interface to help you drink enough water throughout the day.


This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


This app helps you track your daily water intake with a visually engaging virtual aquarium. Receive reminders to drink water and unlock new fish as you reach your hydration goals. Monitor your progress with a water diary and customize your experience.