This works great!
I really love this app. Works great. Pool estimator nailed the gallons in my pool the first time. The weather feature is nice too. Even linked to Amazon to purchase additional chemicals needed.
Free
In-App Purchases
About
Easily test your pool or spa water by photographing your test strips. Get clear chemical dosing instructions, including product amounts and order, to maintain optimal water balance. This app offers a private, ad-free experience with optional in-app purchase to remove ads.
✓Photograph test strips for automatic reading
✓Chemical dose calculator with step-by-step plans
✓Calculates gallons from pool dimensions
✓Tracks test history and local weather forecasts
✓Supports various pool types and finishes
✓Private by design, no account required
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What's New in PoolCheck
1.0.2
November 12, 2026
Easier first scan: quick tips before your first strip, a retry when a reading looks off, and manual entry as a backup. Dose cards now link straight to the products you need. Plus fixes and polish.
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Subscriptions & In-App Purchases
$2.99
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Remove all ads with a one-time purchase.
User reviews
FAQ
How does PoolCheck read test strips?
PoolCheck uses your device's camera to photograph your test strip. The app then analyzes the colors of each pad against a color chart to suggest readings. Your strip photos are processed on your phone and are not uploaded.
What pool chemicals can PoolCheck analyze?
PoolCheck can analyze readings for free chlorine (FC), total chlorine (TC), pH, total alkalinity (TA), calcium hardness (CH), cyanuric acid (CYA), and bromine. It also calculates combined chlorine and suggests shocking when necessary.
Does PoolCheck have ads?
PoolCheck is free to download and use, and is supported by ads on the results screen. A one-time in-app purchase of $4.99 removes these advertisements.
Can PoolCheck estimate my pool's volume?
Yes, if you don't know your pool's exact gallonage, PoolCheck includes a pool volume calculator. You can input your pool's shape (rectangle, oval, round, or kidney), length, width, and average depth to get an estimate.
How does PoolCheck ensure dosing accuracy?
PoolCheck provides a step-by-step dosing plan that specifies which products to add, how much, and in what order. It also includes retest timing for each step and a confirmation screen before you add chemicals.
Is PoolCheck available on Android devices?
Based on the provided data, PoolCheck is supported on iPhone, iPad, and iPod. Information regarding Android compatibility is not available in this description.
How often is PoolCheck updated?
The latest version of PoolCheck is 1.0, and it was last updated on 2026-10-16. Further information on update frequency is not provided.
What is the age rating for PoolCheck?
PoolCheck has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no content generally considered inappropriate for children.
