Best apps like O.R.S. Hydration Calculator

10+ similar apps compared and reviewed

4.9 avg rating
9 free apps
Updated September 2026

O.R.S. Hydration Calculator is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to O.R.S. Hydration Calculator

Chocolate Toxicity Calculator#2

Chocolate Toxicity Calculator by Vetcalculators LLC

Pet Chocolate Calculator
Strong Contender
💪 Health & Fitness
4.8(6 ratings)
$1.99
Chocolate Toxicity Calculator screenshot 1
Chocolate Toxicity Calculator screenshot 2
Chocolate Toxicity Calculator screenshot 3
Chocolate Toxicity Calculator screenshot 4
Chocolate Toxicity Calculator screenshot 5

This tool helps pet owners determine the potential toxicity of chocolate ingested by their pets. It calculates risk based on pet weight, chocolate type, and amount consumed, alerting users to potential veterinary emergencies. The app also provides quick access to poison control hotlines and local veterinarians.