Best Pool Chemical Dose Calculator Apps

216+ iOS apps curated and reviewed

4.4 avg rating
16 free apps
Updated May 2026

Out of 216+ pool chemical dose calculator apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Pool Chemical Dose Calculator Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OrendaOrendaFree4.7★ (452)NoNoAug 2026
2Clorox PoolClorox PoolFree4.6★ (29K)YesNoAug 2026
3Pool Math by TroubleFreePoolPool Math by TroubleFreePoolFree3.7★ (272)NoYesJul 2026
4Pool Time ClearPool Expert™Pool Time ClearPool Expert™Free4.7★ (5.3K)NoNoAug 2026
5Leslie's - Pool CareLeslie's - Pool CareFree4.6★ (14K)NoNoAug 2026
6Simple Pool: Chemistry & MathSimple Pool: Chemistry & MathFree4.9★ (18)NoYesAug 2026
7Pool Chem CalculatorPool Chem CalculatorFree4.0★ (24)YesYesAug 2026
8Pool Care by Swim UniversityPool Care by Swim UniversityFree4.6★ (169)NoYesAug 2026

Top Picks for Pool Chemical Dose Calculator

Orenda#1

Orenda by Hasa Inc.

Pool Calculator and Education
Editor's Choice
📊 Productivity
4.7😊(452 ratings)
Free
Orenda screenshot 1
Orenda screenshot 2
Orenda screenshot 3
Orenda screenshot 4

This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.

What We Love

  • 🚀 Easy to use
  • 💡 Helpful for pool maintenance
  • 🚀 Simplifies pool chemistry
  • 👍 Provides valuable information

Room to Improve

  • 🐛 Issues with updating desired levels
  • 🐛 Metric system not working properly
  • 🐛 Difficult to input readings
Clorox Pool#2

Clorox Pool by BioLab, Inc.

Simple, smart pool maintenance
Strong Contender
🌟 Lifestyle
4.6😞(29K ratings)
FreeAds
Clorox Pool screenshot 1
Clorox Pool screenshot 2
Clorox Pool screenshot 3
Clorox Pool screenshot 4
Clorox Pool screenshot 5
Clorox Pool screenshot 6

This app helps DIY pool owners maintain their pools with expert water test analysis and personalized product recommendations. It offers troubleshooting for common pool problems and allows users to shop for recommended products online.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for pool maintenance
  • 💡 Provides chemical recommendations
  • 🚀 Scanning test strips is convenient

Room to Improve

  • 🐛 Inaccurate test results
  • 🔒 Requires account creation
  • 🐛 Frequent login issues
Pool Math by TroubleFreePool#3

Pool Math by TroubleFreePool by TroubleFreePool

Easy pool care and maintenance
Worth Considering
🔧 Utilities
3.7😊(272 ratings)
FreeIn-App Purchases
Pool Math by TroubleFreePool screenshot 1
Pool Math by TroubleFreePool screenshot 2
Pool Math by TroubleFreePool screenshot 3
Pool Math by TroubleFreePool screenshot 4
Pool Math by TroubleFreePool screenshot 5
Pool Math by TroubleFreePool screenshot 6

Easily manage your swimming pool's water chemistry by tracking key levels like chlorine and pH. This app calculates the precise amounts of chemicals needed to maintain clear, algae-free water, offering a cost-effective alternative to pool store advice.

What We Love

  • 💎 Excellent for maintaining a clean, balanced pool
  • 🔍 Comprehensive tracking of test results and chemical additions
  • 🧠 Helpful recommendations for chemical adjustments
  • ⚙️ Useful features like SLAM mode and timeline

Room to Improve

  • 🐛 Issues with data syncing and backup
  • 🤔 Unintuitive interface and navigation
  • 💰 Subscription model and lack of one-time purchase

More Pool Chemical Dose Calculator apps to explore

4
Pool Time ClearPool Expert™
Pool Time ClearPool Expert™
Pool Time ClearPool Expert™
by BioLab, Inc.
Free

This app provides expert water analysis for your swimming pool using test strips or kits. It offers personalized maintenance plans, reminders, and troubleshooting tips to keep your pool clean and swim-ready. You can also add recommended products to a shopping cart for purchase.

Expert water analysis with test strips or kitsPersonalized pool maintenance plansMaintenance reminders
🔧 Utilities
(5.3K)
free
5
Leslie's - Pool Care
Leslie's - Pool Care
Leslie's - Pool Care
Pool maintenance made easy
Free

Manage your pool and spa maintenance with ease. Get personalized water treatment plans, track your water test history, and access exclusive member deals. Shop for supplies and find local stores effortlessly.

Personalized water treatment plansTrack pool water test historyExclusive member rewards and deals
🌟 Lifestyle
(14K)
free with in-app purchases
6
Simple Pool: Chemistry & Math
Simple Pool: Chemistry & Math
Simple Pool: Chemistry & Math
Pool Care Chemical Calculator
Free

This app helps you precisely test, dose, and track your pool and spa water chemistry. It offers practical dosing recommendations and tools to simplify routine maintenance for various pool types. Get accurate chemical calculations without ongoing fees.

Water test loggingDosing recommendationsChemical tracking
🌟 Lifestyle
(18)
free with in-app purchases
7
Pool Chem Calculator
Pool Chem Calculator
Pool Chem Calculator
Quick pool chemical calculator
Free

This app helps manage pool chemistry with 24 specialized calculators for dosing, pH, and more. It features a customizable maintenance calendar, equipment tracking, and easy report sharing for up to 100 pools. Ideal for maintaining a clean and swim-ready pool.

24 precision pool chemical calculatorsCustomizable maintenance calendar with notificationsEquipment tracking and management
🔧 Utilities
(24)
free with in-app purchases
8
Pool Care by Swim University
Pool Care by Swim University
Pool Care by Swim University
Finally Understand Your Pool
Free

This app simplifies pool water chemistry by providing instant maintenance plans based on test results. It offers customized guidance on chemical additions, pool profiles, and expert tips to help you maintain a healthy pool without complex math or reliance on store advice.

Instant pool chemistry treatment plansCustom pool profile calculatorTailored advice and customization
🔧 Utilities
(169)
freemium
9
Pentair Pool
Pentair Pool
Pentair Pool
by Pentair, Inc.
Free

Manage your swimming pool system, monitor water chemistry, and receive instant status updates from a single dashboard. Control connected Pentair pool devices remotely for energy efficiency and peace of mind. Receive alerts for equipment or pool conditions to avoid costly service calls.

Remote pool system controlWater chemistry monitoringInstant status updates
🌟 Lifestyle
(23K)
free
10
Pool Chemical Dose Calculator
Pool Chemical Dose Calculator
Pool Chemical Dose Calculator
by Hasa, Inc.
$5.99

This app calculates the precise chemical dosage required for pool maintenance. It supports 38 chemicals across 11 categories, allowing users to input pool volume and desired chemical changes in US Imperial or Metric units.

Calculates doses for 38 chemicalsSupports 11 chemical categoriesUS Imperial and Metric measurements
📊 Productivity
(12)
paid
11
Pooli
Pooli
Pooli
Smart Pool & Spa Care
Free

This app helps you maintain a clean and safe pool or spa with smart testing, tailored advice, and customized task lists. It offers advanced AI for instant feedback, problem resolution guidance, and comprehensive sanitization support. Track multiple pools, manage inventory, and even collaborate with others for effortless pool care.

Smart water testing with manual entry or strip scanningInteractive Calcite Saturation Index (CSI) toolTailored reports and expert maintenance advice
🔧 Utilities
(366)
free with in-app purchases
12
Pool Shark H2O Pro
Pool Shark H2O Pro
Pool Shark H2O Pro
Pool Chemical Testing & Maint.
Free

This app simplifies pool and spa record-keeping and maintenance with compliant logs. It offers instant water analysis and chemical dosage instructions to reduce liability and maintain clean water.

Health Department Compliant LogsInstant Water AnalysisChemical Dosage Instructions
🔧 Utilities
(219)
free with in-app purchases
13
AquaChek Connect
AquaChek Connect
AquaChek Connect
by Hach Company
Free

This app uses photo capture technology to scan test strips and provide personalized pool water treatment recommendations. It offers features like test result history, a water volume calculator, and maintenance reminders to simplify pool care.

Photo capture test strip scanningPersonalized treatment recommendationsTest result history
🔧 Utilities
(1.2K)
free with in-app purchases
14
FROG Water Care
FROG Water Care
FROG Water Care
by King Technology Inc.
Free

This app guides pool, hot tub, and swim spa owners using specific sanitizing systems. It offers personalized recommendations, step-by-step instructions based on test strip results, and troubleshooting advice to maintain optimal water conditions.

Supports FROG and FROG @ease test stripsStep-by-step water care recommendationsView testing history
🌟 Lifestyle
(4.8K)
free
15
Pool Doctor
Pool Doctor
Pool Doctor
by Gazzini Ventures, LLC
$19.99

This powerful digital tool helps pool professionals and enthusiasts maintain their pools. Input your chemical readings, and it will provide precise instructions on what chemicals to add and why, supporting various pool types and units of measurement.

Chemical level adjustment (chlorine, pH, alkalinity, etc.)Supports regular, salt-water, and bromine poolsMultiple unit of measurement options
🔧 Utilities
(130)
paid
16
HTH™ | Test to Swim™
HTH™ | Test to Swim™
HTH™ | Test to Swim™
Pool & Spa Water Testing
Free

This app helps pool and spa owners maintain water quality by analyzing test strip results. It provides instant recommendations, step-by-step instructions, and access to helpful resources for clear and balanced water.

Scan test strips with Google Cloud VisionInteractive spa test strip matchingInstant water balance recommendations
🔧 Utilities
(1.2K)
free with in-app purchases
17
Pool Water Calculator
Pool Water Calculator
Pool Water Calculator
Balance your pool chemistry
$4.99

This app helps you precisely balance and maintain your pool or spa water chemistry. It offers a chemistry calculator, pool volume measurement, and detailed data logging with visual trend analysis. Get tailored recommendations and manage multiple water profiles with ease.

Chemistry calculator for precise chemical dosagesPool volume calculatorData logging for test results and additions
🌟 Lifestyle
(91)
free
18
Pooldash
Pooldash
Pooldash
Water chemistry calculator
$19.99

This app helps pool professionals and beginners calculate and manage pool water chemistry. It provides precise chemical adjustments based on your test kit readings and allows for custom formula sharing. Supports various pool types and offers flexible unit conversions.

Chemical reading inputPrecise chemical adjustment calculationsCustom formula sharing system
🔧 Utilities
(11)
paid
19
Pool Balance LLC
Pool Balance LLC
Pool Balance LLC
Official App for Pool Balance
Free

This app helps maintain crystal clear pool or spa water with precise chemical calculations, personalized maintenance schedules, and an AI-powered repair assistant. It offers multiple input methods for water testing and tracks progress with visual charts. Get weather-smart tips and find local supply stores.

Precise chemical calculationsMultiple water test input methodsPersonalized maintenance schedules
🔧 Utilities
(1)
freemium
20
Pro Series Pool & Spa
Pro Series Pool & Spa
Pro Series Pool & Spa
by BioLab, Inc.
Free

Manage your pool and spa water care with this app. It offers instant water analysis, step-by-step troubleshooting, and clear treatment recommendations. Professionals can also store customer pool profiles, photos, and visit reports.

Pool and spa water managementInstant water analysisStep-by-step troubleshooting
🔧 Utilities
(9)
free

FAQ about Pool Chemical Dose Calculator

What are the best pool chemical dose calculator apps for iPhone?
Orenda tops our pool chemical dose calculator apps ranking as of May 2026, with a 4.7-star average from 452 App Store ratings, and it's free to download.
Yes — 16 of the top pool chemical dose calculator apps we rank are free to download, including Orenda and Clorox Pool.
Orenda has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 216+ pool chemical dose calculator apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
The Orenda app is a swimming pool calculator designed to help users master pool chemistry. It accurately calculates chemical dosages and balances water according to the LSI, making pool chemistry easier for both novices and professionals.
Key features include a chemical dosing calculator, LSI water balancing, a pool volume estimator, a user-friendly interface, and access to educational videos within the app.