Apps Like HTReminder for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Pool-Calculator
Pool and Spa Resources, LLC
Calculate chemicals accurately
Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.


Simple Pool: Water Test & Log
Grey Park LLC
Track balance and chemical levels
Track pool chemistry with precise chemical recommendations based on results. Log pH, chlorine, alkalinity, calcium hardness, and CYA levels. View historical data and maintain balanced year-round.







Pool Calculator & Chemistry
Rufat Babayev
Manage multiple pools and spas
Water management allows users to create unlimited profiles for multiple pools, hot tubs, and spas. Track custom settings including volume, type, and liner material.


TubTest: Hot Tub Water Test
Steven Heller
With step-by-step guidance
Guides users through testing with step-by-step instructions. Identifies correct reagents and timing. Displays color interpretations for results. Enforces proper testing order: alkalinity, pH, then sanitizer.


FROG Water Care
King Technology Inc.
Manage chemistry with expert guidance
Monitor chemistry with real-time pH and sanitizer level tracking. Receive personalized maintenance recommendations. Adjust sanitizer dosages based on system type. View usage history and set reminders for routine checks.

Swimply - Rent Private Pools
Swimply Inc
Spaces by the hour
Book , sport courts, and pet parks by the hour. spaces for swimming, playing, or hosting events. Access outdoor areas for relaxation without crowds or high hotel prices. Reserve and pay for short-term rentals directly.

Arctic Spas
Blue Falls Manufacturing Limited
Monitor and control your spa remotely
Monitor and control your Spa or All Weather Pool from anywhere using a phone, tablet, or Apple Watch. Adjust lighting, jets, and preset scenes for different user experiences. Manage power settings and access remote controls via a web interface.


Pool Water Calculator
Ingenio Productions LLC
Balance chemistry with precise dosages
Calculate and spa chemistry with a chemistry that determines precise chemical dosages based on current levels. Input dimensions to calculate volume and ensure accurate chemical adjustments.

How we rank alternatives
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