175+ iOS apps curated and reviewed
The best chlorine apps on iPhone average 4.4★ across 175+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (29K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.6★ (14K) | Yes | No | Aug 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | 5.0★ (3) | No | No | May 2026 |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 6 |  | Free | 4.6★ (366) | No | No | Jul 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | — | No | No | Jun 2026 |
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.
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.
This app helps identify disinfection protocols for various situations. It calculates the necessary quantities of chlorine-generating products to prepare disinfectant solutions. Access to references and a training video is also provided.
This app provides rapid access to critical information and expert support for chlorine emergencies. It connects responders with industry expertise and resources for effective incident management. Designed for a limited group of authorized users.
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.
This app simplifies pool water chemistry by calculating precise chemical dosages for balanced water. It helps estimate the impact of adding various chemicals and determines pool volume from basic measurements. Designed for practical, everyday pool maintenance, it keeps essential information readily accessible.
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.
This app remotely monitors and controls your pool's chlorination system. It tests water quality, provides real-time notifications, and offers troubleshooting recommendations for maintaining optimal pool health. You can also manage connected pumps and heat pumps.
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.
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.
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.
Discover what's in your bottled or tap water with detailed reports and easy-to-understand ratings. Scan barcodes or search by location to compare brands, identify contaminants, and make informed choices for your health.
Effortlessly manage your pool or spa water quality. This app works with a smart monitor to automatically track pH, free chlorine, alkalinity, and temperature, providing insights that make sense for optimal water conditions.