Aquavail: Hot Tub & Pool Care
Spa Water Chemistry & Dosing
About
This app provides personalized water chemistry recommendations for hot tubs, pools, and swim spas. Input your test strip readings and water condition to receive step-by-step dosing instructions tailored to your specific setup and sanitizer type.
What's New in Aquavail
1.3.1
August 31, 2026
Water Trends on the dashboard, and Siri now answers. - Water Trends now appears on your dashboard once a tub has two or more tests, no more hunting for it - Fixed the Analyze button appearing when AI recommendations were turned off in Settings - Icons no longer overlap their labels at large text sizes, and the main action on each screen stays reachable without scrolling - Siri now answers. Ask "Hey Siri, is my water balanced in Aquavail" for your latest reading, or log a drain and refill by voice, without opening the app. - The prompt to rate Aquavail now appears after you save a test, rather than each time you open an older result - Rate and Share links added to Settings
MoreIn-App Purchases
$9.99
Aquavail Pro Lifetime
Unlock tailored AI-powered recommendations
Developer apps
FAQ
What types of water bodies does Aquavail support?
Aquavail supports hot tubs, swimming pools, swim spas, and cold plunge pools. It is designed to handle various water volumes, from small spas to large pools.
How does Aquavail handle different sanitizer types?
Aquavail provides tailored recommendations for chlorine, bromine, salt systems, mineral cartridges, ozone, and UV systems. Each sanitizer type receives specific product, amount, and target guidance.
Does Aquavail offer offline functionality?
The provided data does not specify offline functionality. However, its core features involve inputting test readings and receiving calculated recommendations, which may require an internet connection.
What is the pricing for Aquavail Pro?
Aquavail Pro is available as a one-time lifetime purchase, with no ongoing subscriptions required. This purchase also includes Family Sharing capabilities.
How often is Aquavail updated?
The latest version of Aquavail was released on June 2, 2026, indicating recent development activity. The app is generally updated to improve features and address user needs.
What is the age rating for Aquavail?
Aquavail has an age rating of 4+, making it suitable for a wide range of users. It is available on both iPhone and iPad devices.
Does Aquavail have ads?
No, Aquavail does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features.
How does Aquavail handle phosphate testing?
Aquavail supports phosphate testing within a range of 0-2500 ppb. It recommends treatment when levels exceed the 125 ppb threshold, a feature often overlooked by other applications.