HotTub&Pool app icon

Apps Like HotTub&Pool for iPhone and iPad

Chemical calculations for pool owners.

The app helps hot tub, spa, and pool owners calculate chemical doses for calcium, alkalinity, pH, sanitizer, and stabilizer. It also includes a water balancing feature to calculate the Langelier Saturation Index for system maintenance.

by Pixelwand Ltd★ 3.513 ratingsUtilitiesFreeData updated 2026-09-13

HotTub&Pool screenshots

Ranked alternatives

Showing 161–180 of 1,000 ranked alternatives.

  1. Spooky Tip Calculator app icon

    Spooky Tip Calculator

    bobby herndon

    Calculate tips and split bills automatically

    Calculate tips with a 20% default rate. Split bills among multiple people. Customize tip percentages. Share calculations via email or messaging apps. Adjust total amounts and view breakdowns.

    ★ 5.015 ratingsUtilitiesFreeData updated 2026-09-06
  2. SquareRootCalculator app icon

    SquareRootCalculator

    Jirou Fukuda

    Calculate square roots and fractions

    Calculate square roots and perform fraction operations. Execute basic arithmetic with unlimited precision. Simplify rational expressions easily. Input and compute complex equations without digit overflow.

    ★ 4.237 ratingsProductivityFreeData updated 2026-09-13
  1. ROKC app icon

    ROKC

    Ted Anthony Uy

    Calculate, track, and stay updated

    Calculate expenses with item calculators and MGE-specific tools. Access latest news and videos. Track events with calendar integration. Contact support for feedback or issues.

    ★ 5.08 ratingsUtilitiesFreeData updated 2026-09-06
  2. Bill Tipper app icon

    Bill Tipper

    Montiel Mobile, LLC

    Split bills, calculate tips, apply discounts

    Split restaurant bills by number of people. Calculate tips, discounts, and sales tax. Adjust tip amounts based on tax. Customize background color. Share results via email or messaging.

    ★ 4.26 ratingsProductivity$0.99Data updated 2026-09-08
  3. Body Mass Index Calculator BMI app icon

    Body Mass Index Calculator BMI

    Armchair Engineering

    Calculate BMI and healthy weight range

    Calculate BMI using height and weight. Determine healthy weight range based on height. Choose height units from mm, cm, m, km, inches, feet. Select weight units from kg, lb. Set decimal places for precision.

    ★ 4.824 ratingsHealth & FitnessFreeData updated 2026-09-10
  4. AmhFuel app icon

    AmhFuel

    Yishagerew Yitaih

    Calculate fuel needed for flights

    Calculate fuel requirements for flights using preloaded data on aircraft models and fuel consumption rates. Input flight details to estimate fuel needs. Export results in printable format. Share calculations with team members.

    ★ 4.99 ratingsProductivityFreeData updated 2026-09-06
  5. Mushroom Tip app icon

    Mushroom Tip

    The Zonie, LLC

    Calculate tips and total amounts

    Calculate tips and totals by entering bill amounts. Select tip percentages from 1% to 100%. Option to round tip or total amounts with normal, up, or down rounding. Choose between Auto, Dark, or Light themes. No ads.

    ★ 5.07 ratingsFood & DrinkFreeData updated 2026-09-06
  6. Km To Mile Calculator For Go app icon

    Km To Mile Calculator For Go

    FreCre, Inc. Japan

    Convert km to miles and open Pokemon

    Convert kilometers to miles with a simple . Open Pokémon Go directly from the . Track distance traveled and view converted measurements in real-time.

    ★ 4.828 ratingsUtilitiesFreeData updated 2026-09-11
  7. Loan-U-Later app icon

    Loan-U-Later

    Justin Hawkwood

    Calculate loans and investment aspects.

    The app calculates aspects of loans and investments, including interest rates and total interest paid or contributions made. It also provides an amortization table for current calculations.

    ★ 4.521 ratingsFinanceFreeData updated 2026-09-10
  8. Sloth Calculator app icon

    Sloth Calculator

    IFANG LEE

    Calculate with a cute mascot

    Perform calculations with a -themed interface. Input numbers and operators to solve equations. Save history and switch between light and dark modes. Share results via social media or messaging apps.

    ★ 5.018 ratingsUtilitiesFreeData updated 2026-09-06
  9. Simple Cal with History app icon

    Simple Cal with History

    NORIHIKO HAYASAKA

    Calculate, track, and customize equations

    Perform calculations using a interface. Access calculation to review past results. Customize the 's appearance 10 design options.

    ★ 4.428 ratingsProductivityFreeData updated 2026-09-10
  10. CPF TechTools app icon

    CPF TechTools

    Charlotte Pipe and Foundry Company

    Calculate pipe expansion and temperature adjustments

    Calculate pipe expansion and contraction with built-in formulas. Adjust for temperature de-rating using industry-standard methods. Access tools for plumbing engineers, contractors, and architects. Future updates will add more features.

    ★ 4.522 ratingsBusinessFreeData updated 2026-09-08
  11. Shopping % Calculator Discount app icon

    Shopping % Calculator Discount

    Steve Veloudos

    Calculate totals, apply discounts, track savings

    Enter multiple items and input prices to calculate total amounts and savings from discounts and bonuses. Adjust percentages to see exact savings. Share calculated deals with others.

    ★ 4.313 ratingsLifestyleFreeData updated 2026-09-11
  12. Calculator + Account Journal app icon

    Calculator + Account Journal

    妙英 张

    Edit equations, save calculations, share history

    Perform calculations with basic arithmetic operations. Save equations as entries. View and share calculation history. Edit equations and manage memory banks. Adjust decimal places for precision.

    ★ 4.721 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.