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The Best Pool Chemical Calculator Apps

by Matt Giovanisci | Updated: January 5, 2021

With just a few taps, you can get pool and hot tub water test results right on your smartphone or tablet. Here are our updated recommendations for the best pool and spa chemical calculator apps. Plus, apps to control your swimming pool and/or hot tub.

Pooli (Our Top Pick)

Pooli Pool Chemical Calculator App

Price: FREE
Compatibility: iOS and Android

We think Pooli is the best pool chemical calculator and pool maintenance app. Why? It looks great, is user-friendly, and best of all, there’s no cost, no ads, and no in-app purchases! It has a built-in test strip scanner that delivers instant water test results and provides the most affordable solutions, chemicals, and equipment. Download the app here!

PoolMath by TroubleFreePool

PoolMath by Trouble Free Pool - Pool Chemical Calculator

Price: $7.99 Premium Subscription In-App Purchase
Compatibility: iOS and Android

A simple pool test tracking app made by the popular TroubleFreePool forum. Track all your pool water tests and it’ll tell you exactly how much of each chemical you need to add. It follows the TroubleFreePool method (BBB). Download the app now!

Clorox Pool App

Clorox Pool App

Price: FREE
Compatibility: iOS and Android

Pool owners can use this free, easy-to-use app to scan test strips to provide expert water test analysis. You can also use the app to troubleshoot pool problems, get personalized recommendations, and of course, shop for Clorox products. Download the app here!

Pool Cloud

Pool Cloud App

Price: FREE
Compatibility: iOS only

Although it’s no longer being updated, Pool Cloud is one of the nicest looking pool chemical calculators. It’s easy-to-use apps for entering your water test results and spitting out the proper amount of chemicals you need to add to your swimming pool. And a lot of Swim University articles are available right inside the app. Download the app now!

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Sutro Smart Water Monitor

Sutro Pool Water Monitor

Price: $29.99/month
Compatibility: iOS and Android

Easily the sexist pool maintenance product ever made! But that’s just the tip (and that’s what she said)! The device measures, monitors, and sends you chemical recommendations to your smartphone. It measures pH, chlorine, and alkalinity three times a day. Try Sutro today!

pHin Smart Water Monitor by Hayward

pHin by Hayward Pool Chemical Monitor

Price: $349
Compatibility: iOS and Android

pHin is a smart pool and hot tub monitor that automatically measures your water temperature, sanitizer, and pH levels. It analyzes the data and recommends what chemicals to add. It works with chlorine, salt, and bromine. Start using pHin here.

iAquaLink 2.0 by Jandy

iAqualink 2 App by Jandy

Price: FREE for iAquaLink products
Compatibility: iOS and Android

The Jandy iAquaLink system is one of the most advanced pool management devices on the planet. If your pool has a Jandy iAquaLink system installed, you can use the mobile app to manage everything about your pool. Things like lights, pumps, and temperature are easily changed right from your smartphone or tablet. Download App Now!

ScreenLogic by Pentair

ScreenLogic by Pentair Pools

Price: FREE for IntelliTouch® and EasyTouch®
Compatibility: iOS and Android

The Pentair ScreenLogic app works much like the Zodiac App but works with the Pentair pump control systems. It supports changing all of your pool settings on the fly if you have the supported Pentair pump system.Download App Now!

CloudControl by Bullfrog Spas

Cloud Control by Bullfrog Spas

Price: FREE if you have a Bullfrog Spa
Compatibility: iOS and Android

The Cloud Control app will let you control your Bullfrog spa right from your smartphone or tablet. It’s compatible with both iOS and Android devices and will let you control a wide variety of hot tub settings from almost anywhere. Adjust your pump and filtration settings, change the temperature, and much more all from your smartphone with this handy little app created specifically for Bullfrog spas. Download App Now!

It has never been easier to transform your pool into a smart pool than it is today. With these apps, you can simplify your pool care so you can spend more time swimming than you do taking care of your pool. While it won’t eliminate the work, it will make it go much faster.

Happy Swimming!

Matt Giovanisci is the founder of Swim University® and has been in the pool and spa industry since 1995. Since then, his mission is to make pool and hot tub care easy for everyone. And each year, he continues to help more people with water chemistry, cleaning, and troubleshooting.
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