LSI Pool and Spa Calculator

Thank you for using LSI Pool and Spa Calculator. This update brings customer and site tools to iPhone and iPad, and a standalone LSI calculator to Apple Watch. IPHONE AND IPAD - Add customers manually or import selected device contacts. - Link customers to pools, spas, and other sites, with addresses and notes. - Find sites on the map and open their customer details. - Review readings, charts, and statistics by site. - Export records, sites, and contacts as CSV or PDF, and create JSON backups. - On iPad, view a selected record beside the records list. The free version supports up to five saved records. LSI Pro unlocks more records, spreadsheet review, backup import, individual report sharing, and printing. APPLE WATCH - Calculate LSI using pH, temperature, calcium hardness, alkalinity, and TDS. - View saturation pH and the result category. - Save labeled readings locally and review them later. - Share current or saved readings as text reports. - Use Fahrenheit or Celsius, with automatic conversion. - Consult the formula, result ranges, and Help on your watch. Watch calculations, local saves, and sharing are free, with no app-imposed reading limit. The watch app works without the iPhone app. Watch history is stored separately from iPhone and iPad records.