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Pool Care by Swim University

Finally Understand Your Pool
US flag US
1 of 1 storefronts
Content in en-US
139 Ratings
4.6
★★★★★
Age Rating
4+
Years
Language
EN
Size
72.5
MB

Information

Apple ID6479329322
Bundle IDcom.poolcare.app
SellerSeller
Min iOS15.0
Min macOS12.0
Device familiesiphone, ipod
Released2024-05-30
Copyright© 2026 Swim University
WebsiteLink ↗
Privacy policyLink ↗

Preview 1 platform

iPhone 10 images

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What’s New Version 5.7

- Improves recommendations for certain high-chlorine scenarios - Updates wait times for extra safety - Customizes default Calcium Hardness ideal range based on your pool's wall material (fiberglass, vinyl, plaster/concrete/pebble) - Allows editing chemical substitutions on past log entries in your history

Description

Pool Care by Swim University is the pool chemical calculator that teaches you why, not just what to add. Whether you're staring at a green pool, dealing with cloudy pool water, or just trying to figure out how much chlorine to add, the app is here to help. Enter your water test results and get a custom treatment plan in seconds. You'll know exactly what chemicals to add, how much, and in what order. It's like having a pool expert in your pocket, backed by Swim University and trusted by over 400,000 pool owners. POOL CHEMICAL CALCULATOR The built-in pool chemical calculator handles chlorine, pH, total alkalinity, calcium hardness, cyanuric acid, and salt. Every recommendation is based on your pool's volume, type, and current water test readings. No more guessing with dosage charts or doing math on the back of a chlorine bucket. WATER TESTING MADE SIMPLE Enter your pool water test results, and the app instantly builds a step-by-step treatment plan customized to your pool. It puts your chemicals in the right order so nothing cancels out, and tells you exactly how long to wait between additions. Pool water chemistry has never been this easy to understand. FIX COMMON POOL PROBLEMS Wondering why your pool turned green overnight? Or why is the water cloudy even after shocking? The app helps you diagnose and fix the most common pool problems, from pool algae and green pool water to foam on the surface, burning eyes, and water that smells like chlorine. That chlorine smell actually means you need more, not less. The app explains all of it. WORKS WITH EVERY POOL TYPE Whether you have an inground pool, an above ground pool in your backyard, a saltwater pool with a chlorine generator, or a hot tub on your patio, the pool chemical calculator adjusts to your setup. Enter your pool details once, and every recommendation is tailored to your water. LEARN AS YOU GO Most pool apps just spit out numbers. Pool Care by Swim University actually teaches you the basics of pool water chemistry as you use it. You'll learn why your pH matters, what causes algae, and how to shock a pool the right way. Over time, you won't just maintain your pool. You'll actually understand it. TRUSTED BY 400,000+ POOL OWNERS Swim University has been helping pool owners take care of their pools since 2006. Our YouTube channel, blog, and video courses have taught hundreds of thousands of people how to balance pool water, clear up cloudy pool water, and keep their chemistry dialed in all season long. This app puts all of that knowledge in your pocket. SUBSCRIPTION Pool Care by Swim University requires a subscription to access all features. Start with a 7-day free trial, then continue with an annual subscription. Your pool water chemistry doesn't have to be complicated. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

In-App Purchases US pricing

Pool Care Unlock Subscription
Annual · Yearly 7-day free trial$49.99

Capabilities

In-App Purchases

Accessibility

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Version history 25 versions

Build 887814048v5.72026-07-04 21:38:19
- Improves recommendations for certain high-chlorine scenarios - Updates wait times for extra safety - Customizes default Calcium Hardness ideal range based on your pool's wall material (fiberglass, vinyl, plaster/concrete/pebble) - Allows editing chemical substitutions on past log entries in your history
Build 887242646v5.62026-06-21 19:37:06
* You are no longer required to mark warning-type actions as complete * We automatically remember shock-preference on historical treatments in a more obvious way * We added more videos and onboarding updates
Build 887170634v5.52026-06-19 15:14:54
* Makes the recommendations for shock (chlorine vs non-chlorine) more intuitive * Updates the onboarding wizard screens to be faster * Shortens certain reading names on the slider screens * Many other small fixes and improvements!
Build 886903015v5.42026-06-13 04:25:54
* Makes the recommendations for shock (chlorine vs non-chlorine) more intuitive * Updates the onboarding wizard screens to be faster * Shortens certain reading names on the slider screens * Many other small fixes and improvements!
Build 886807044v5.32026-06-11 17:20:59
* Enhanced pool history view with easier reading levels * Updated treatment cards to simplify and inform (with videos!) * More interactive animations * Lots of little improvements and bug fixes!
Build 884813523v5.12026-05-28 18:39:31
* Our in-app support chat is improved, and now automatically resumes previous support conversations * Better chemical formulas (specifically, changes the shock calculation to raise the combined-chlorine target threshold to 0.5 ppm) * Adds notifications tab and updates tab Thanks for all the feedback, more updates to come soon!
Build 884113050v5.02026-04-20 04:56:27
- Widens potential calcium hardness target range to 400 - Fixes a font scaling issue on some devices for treatment sheets - Adds App Guides video section to home screen
Build 881832258v2.72026-01-27 12:35:46
New Features - Weather Widget: Track weather conditions and temperature directly from your pool dashboard to better understand environmental impacts on your pool chemistry Bug Fixes & Improvements - Treatment Tracking: Fixed issue where changing your preferred chemical would clear your treatment completion checkmarks - Bottom Sheet Gestures: Improved swipe-to-dismiss functionality on treatment detail screens for smoother navigation - Performance: Updated to latest React Native version for improved stability and performance
Build 881649568v2.62026-01-21 19:53:57
Smart Weather Widget! Your pool dashboard now shows real-time weather with personalized care tips! Know when the sun will burn through your chlorine, when rain might affect your water level, or when windy days mean extra debris cleanup. Features: - Automatic weather detection based on your location - Weather-specific pool maintenance advice - Clean, easy-to-read design
Build 881287870v2.52026-01-08 18:53:00
- Expanded Help Center — more answers, less guessing - Improved ideal range breakdowns on the treatments screen - New task checklist for recommended treatments — stay on track and check things off Thanks for swimming with us!
Build 880608337v2.42025-12-13 00:56:44
Thanks for using Pool Care! We added some new features based on your feedback, including: * Adds warning buffers for when your chemicals are barely out of range but don't necessarily require intervention. * 4 more videos in the help section.
Build 878311799v2.32025-10-15 23:02:23
* Fixes issue with updating a pool's photo * Updates range on salinity slider to 6,000 ppm * Increases the size of the volume editing screen on smaller phones * Adds units and custom ranges to reading modals (if you press the sliders) * Fixes issue with the UI for chemical substitutions ... and much more! Thanks for using Pool Care!
Build 878179401v2.22025-09-17 17:02:44
* Adds target ranges to reading entry screen for convenience * Adds Pebble wall-type and custom chemical ranges * Redesigns pool-size entry to make Gallons vs Liters easier * Fixes issue with image selection on some devices * Updates Help Center, so it's even easier for you to give us feedback! Thanks for using Pool Care by Swim University!
Build 876537956v2.12025-07-20 19:48:13
* New feature: customize your target range for specific readings * Fixes sensitivity on salt reading slider * Style fixes and performance improvements
Build 875215015v1.912025-06-03 16:57:03
* Updates slider design to make large numbers more readable * Adds units to readings like salt * Implements new number-pad design for easier manual reading entry * Redesigns toggle switches for better legibility
Build 873988654v1.92025-05-15 19:51:05
* Updates cyanuric acid name (Stabilizer) * Lowers increment step for calcium hardness slider * Fixes issue where support-chat could block the reading sliders * Makes the wizard screens easier to navigate (better buttons & scrolling)
Build 873842454v1.82025-04-08 07:22:58
* Improves performance for users with longer pool history. * Small UI fixes and performance improvements.
Build 873808366v1.72025-04-06 16:41:35
This update includes: * Better onboarding tutorial shows how to switch treatments. * Improved customer support feature * Some UI fixes for larger screen sizes
Build 873657146v1.62025-04-01 05:55:11
Thanks for all your feedback! In this update, we: * Added a tutorial for reading sliders, treatment cards, and chemical substitutions. * Improved some animations and styles on the default pool screen. * Fixed small bugs after pool deletion Let us know what you'd like to see next!
Build 870195065v1.52025-01-23 00:32:26
Updates slider ranges for Calcium Hardness Changes order of recommendations for draining or diluting pool water Faster onboarding with optional pool details section
Build 868881397v1.3.12024-11-03 12:41:22
Thanks for the feedback! In this update, we included: * Lowered the amount of dry acid recommended for lowering pH * Chemical Substitutions to support a variety of pool care preferences (especially for pH, Alkalinity, and Free Chlorine) * History redesign -- it's easier to view previous readings and treatments. * Redesigned readings, treatments, and onboarding screens
Build 868319685v1.32024-09-03 14:35:31
Thanks for all of your feedback! This version includes: * The ability to re-order or disable readings * An updated treatments screen, with more context about how to add each chemical * Better support for salt & bromine pools * A redesigned history view * A fix for calcium hardness ideal ranges with certain wall types * The ability to name your pool!
Build 867776022v1.22024-07-29 03:36:26
* Removes need to "check off" treatments * Updates design of pool details screen * Updates slider colors * Fixes bug with pool history sometimes requiring 2 clicks to expand Thanks for all your feedback -- please keep it coming!
Build 867439697v1.12024-07-14 18:33:56
* Changed chemical range for stabilizer and calcium * Added decimals for free & total chlorine * Added the ability to delete treatments * Cleaned up history listview for historical readings
Build 864396645v1.02024-05-30 18:47:59
Annual

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Change log 29 changes · US

releaseNotes updated
- Improves recommendations for certain high-chlorine scenarios - Updates wait times for extra safety - Customizes default Calcium Hardness ideal range based on
description updated
Pool Care by Swim University is the pool chemical calculator that teaches you why, not just what to add. Whether you're staring at a green pool, dealing with cl
subtitle updated
Finally Understand Your Pool
name updated
Pool Care by Swim University
Version 5.7 released
- Improves recommendations for certain high-chlorine scenarios - Updates wait times for extra safety - Customizes default Calcium Hardness ideal range based on your pool's wall material (fiberglass, vinyl, plaster/concrete/pebble) - Allows
Version 5.6 released
* You are no longer required to mark warning-type actions as complete * We automatically remember shock-preference on historical treatments in a more obvious way * We added more videos and onboarding updates
Version 5.5 released
* Makes the recommendations for shock (chlorine vs non-chlorine) more intuitive * Updates the onboarding wizard screens to be faster * Shortens certain reading names on the slider screens * Many other small fixes and improvements!
Version 5.4 released
* Makes the recommendations for shock (chlorine vs non-chlorine) more intuitive * Updates the onboarding wizard screens to be faster * Shortens certain reading names on the slider screens * Many other small fixes and improvements!
Version 5.3 released
* Enhanced pool history view with easier reading levels * Updated treatment cards to simplify and inform (with videos!) * More interactive animations * Lots of little improvements and bug fixes!
Version 5.1 released
* Our in-app support chat is improved, and now automatically resumes previous support conversations * Better chemical formulas (specifically, changes the shock calculation to raise the combined-chlorine target threshold to 0.5 ppm) * Adds
Version 5.0 released
- Widens potential calcium hardness target range to 400 - Fixes a font scaling issue on some devices for treatment sheets - Adds App Guides video section to home screen
Version 2.7 released
New Features - Weather Widget: Track weather conditions and temperature directly from your pool dashboard to better understand environmental impacts on your pool chemistry Bug Fixes & Improvements - Treatment Tracking: Fixed issue wh
Version 2.6 released
Smart Weather Widget! Your pool dashboard now shows real-time weather with personalized care tips! Know when the sun will burn through your chlorine, when rain might affect your water level, or when windy days mean extra debris cleanup.
Version 2.5 released
- Expanded Help Center — more answers, less guessing - Improved ideal range breakdowns on the treatments screen - New task checklist for recommended treatments — stay on track and check things off Thanks for swimming with us!
Version 2.4 released
Thanks for using Pool Care! We added some new features based on your feedback, including: * Adds warning buffers for when your chemicals are barely out of range but don't necessarily require intervention. * 4 more videos in the help sectio
Version 2.3 released
* Fixes issue with updating a pool's photo * Updates range on salinity slider to 6,000 ppm * Increases the size of the volume editing screen on smaller phones * Adds units and custom ranges to reading modals (if you press the sliders) * Fix
Version 2.2 released
* Adds target ranges to reading entry screen for convenience * Adds Pebble wall-type and custom chemical ranges * Redesigns pool-size entry to make Gallons vs Liters easier * Fixes issue with image selection on some devices * Updates Help C
Version 2.1 released
* New feature: customize your target range for specific readings * Fixes sensitivity on salt reading slider * Style fixes and performance improvements
Version 1.91 released
* Updates slider design to make large numbers more readable * Adds units to readings like salt * Implements new number-pad design for easier manual reading entry * Redesigns toggle switches for better legibility
Version 1.9 released
* Updates cyanuric acid name (Stabilizer) * Lowers increment step for calcium hardness slider * Fixes issue where support-chat could block the reading sliders * Makes the wizard screens easier to navigate (better buttons & scrolling)
Version 1.8 released
* Improves performance for users with longer pool history. * Small UI fixes and performance improvements.
Version 1.7 released
This update includes: * Better onboarding tutorial shows how to switch treatments. * Improved customer support feature * Some UI fixes for larger screen sizes
Version 1.6 released
Thanks for all your feedback! In this update, we: * Added a tutorial for reading sliders, treatment cards, and chemical substitutions. * Improved some animations and styles on the default pool screen. * Fixed small bugs after pool deletion
Version 1.5 released
Updates slider ranges for Calcium Hardness Changes order of recommendations for draining or diluting pool water Faster onboarding with optional pool details section
Version 1.3.1 released
Thanks for the feedback! In this update, we included: * Lowered the amount of dry acid recommended for lowering pH * Chemical Substitutions to support a variety of pool care preferences (especially for pH, Alkalinity, and Free Chlorine) *
Version 1.3 released
Thanks for all of your feedback! This version includes: * The ability to re-order or disable readings * An updated treatments screen, with more context about how to add each chemical * Better support for salt & bromine pools * A redesigned
Version 1.2 released
* Removes need to "check off" treatments * Updates design of pool details screen * Updates slider colors * Fixes bug with pool history sometimes requiring 2 clicks to expand Thanks for all your feedback -- please keep it coming!
Version 1.1 released
* Changed chemical range for stabilizer and calcium * Added decimals for free & total chlorine * Added the ability to delete treatments * Cleaned up history listview for historical readings
Version 1.0 released
expanded screenshot