22+ iOS apps curated and reviewed
Saturation Index Calculator is the household name in langelier saturation index, but it's far from the only option. We track 22+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (4) | No | No | May 2026 |
| 2 |  | Free was $0.99 | — | No | Yes | Jul 2026 |
| 3 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 4 |  | $4.99 was $9.99 | 4.2★ (14) | No | No | May 2026 |
| 5 |  | Free | 4.5★ (2) | No | No | May 2026 |
| 6 |  | Free was $4.99 | — | No | No | May 2026 |
| 7 |  | $0.99 | 3.2★ (177) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (3) | No | No | May 2026 |
Easily calculate your pool's Langelier Saturation Index to ensure balanced water chemistry. Input key water parameters to understand potential effects on your pool equipment.
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 accurately calculates properties for air, water, seawater, and sugars. It uses detailed, published formulations for precise results across various conditions, including solids level and density of corn syrup.
This app calculates thermodynamic and transport properties of water and steam under various conditions. It offers two industry-standard formulations and allows for unit customization and saving of calculations.
This app provides a suite of calculators for marine fuel standards, including CCAI, Cetan Index, and blending calculations. It supports ISO 8217 and ASTM standards, with all inputs and outputs in SI units. Users can also access news and updates from the developer.
This app helps pool professionals manage water chemistry and follow startup procedures for plaster finishes. It offers an LSI calculator, water chemistry recommendations, and step-by-step guides for maintaining pool surfaces. Connect with experts and access resources to ensure balanced water and durable finishes.
This reference app provides precise Index of Refraction values for over 250 materials, aiding 3D artists, engineers, and students. It features an interactive visualizer to demonstrate optical principles and a searchable library of scientific data.
This application provides engineers, technicians, and students with a comprehensive set of tools for petroleum property calculations. It offers features for unit conversion, crude oil blending, viscosity prediction, and distillation curve analysis, all accessible offline.
This utility calculates the scaling potential of pool water using the Langelier Saturation Index. It allows users to save and edit readings, locations, and add notes. A paid upgrade offers advanced features for pool professionals.
This tool helps users of UV-Vis Spectrophotometers quickly check solvent characteristics and perform unit conversions. It provides details like usable wavelength limits, melting, and boiling points for various solvents, along with converters for common lab units.
Explore the fascinating world of neutrons and their applications in condensed matter physics and fundamental science. This app offers interactive 3D animations to visualize neutron spectroscopy experiments and understand complex scientific concepts.
Monitor Rheonics inline viscometers and density meters wirelessly via Bluetooth LE. View real-time measurements like viscosity, density, and temperature, with options to customize graphs. Future updates will include estimated parameters.
This app helps pool and spa owners maintain perfect water balance. It calculates chemical dosages, tracks test results, and provides educational content to solve common water problems. Visualize trends and export reports for easy management.
This utility calculates the standard deviation of a dataset, a key statistical measure of data dispersion. It helps understand how spread out values are from the average, with applications in science, industry, and finance.
