Pool Bible

Exact pool dosing

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Scan your test log or bleach label. Get exact liquid chlorine doses, CYA-based targets, trend charts, and weekly reminders — on your iPhone. Pool Bible tells you exactly how much liquid chlorine to add after every water test. INSTANT DOSING Enter free chlorine and cyanuric acid (CYA). Pool Bible calculates your target from CYA using common pool-care rules, then shows how many ounces or gallons of liquid chlorine to add for your pool volume and product strength. SCAN INSTEAD OF TYPING • Scan photos of test logs, app screenshots, or worksheets • Scan your bleach bottle label to capture strength (10%, 12.5%, etc.) • On-device Vision and Apple Intelligence where available TRACK THE SEASON • Log FC, CYA, pH, alkalinity, and more • Trend charts with target bands • Export CSV for service records STAY ON SCHEDULE • Weekly test reminders • Alerts when chlorine or CYA drift out of range PRIVATE BY DESIGN All pool data stays on your device. No account required. Pool Bible is a homeowner helper, not a substitute for professional water testing. Always follow product label instructions.

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The developer, Monarch Labs Collective, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

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    Information

    Seller
    • Monarch Labs Collective, Inc.
    Size
    • 6.6 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.4 or later.
    • iPhone
      Requires iOS 26.4 or later.
    • Mac
      Requires macOS 26.4 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.4 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Monarch Labs Collective, Inc.
  • Developer Website
  • Privacy Policy

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