Simple Pool: Chemistry & Math

Unlock crystal-clear pool water with Simple Pool - the pool chemistry calculator with no subscription, ever. One purchase, lifetime access.

Simple Pool helps you test, dose, and track your pool water chemistry with precision. Get CYA-aware sanitizer targets, practical dosing recommendations, and powerful tools that make routine pool maintenance faster and easier.

Whether you manage a chlorine pool, saltwater pool, bromine pool, or hot tub and spa, Simple Pool gives you accurate chemical calculations - including algae treatment dosing - every time. No more overspending at the pool store - just enter your test results and get exactly what your pool needs.

What you can do:
• Keep a chemical log of every addition with the unified Activity History
• Log full water tests or Quick Tests in seconds
• Built-in LSI calculator tracks the Langelier Saturation Index (LSI/CSI) to prevent scale and corrosion
• Get dosing recommendations for chlorine, acid, total alkalinity, calcium hardness, stabilizer, and more
• Set your exact chlorine concentration and acid strength for precise dosing
• Use Shock Treatment mode (chlorine/saltwater pools) with progress tracking
• Set recurring test reminders and shock retest reminders
• Use the Chemical Effects Calculator to preview chemical changes before dosing
• Track trends and test history over time with interactive charts
• Haptic feedback confirms pool status at a glance
• Support for chlorine, saltwater, and bromine pools
• Keep visual track of how your pool is doing over time by snapping a photo during water testing
• Share your pool's progress by tapping the share icon on your water test details

Simple Pool Pro (one-time purchase, no subscription):
• One-time purchase - no subscription, no recurring fees
• Unlimited pools and spas
• Full test and activity history
• 90-day and all-time trend ranges
• iCloud sync across Apple devices

Free includes:
• 1 pool
• Test logging and dosing recommendations
• 7-day and 30-day trends
• 30 days of history

Spend less time managing pool chemicals and more time enjoying your pool. Download Simple Pool and make pool care simple.

Links:

• Privacy Policy: https://sites.google.com/view/simple-pool-privacy-policy/home
• Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/