perpHect is described as 'AI hydration coaching app for iPhone that builds a personalised daily water target from your body, sleep, energy, planned activity, and live weather — then adapts your reminders through the day' and is a water drinking reminder in the sport & health category. There are more than 25 alternatives to perpHect for a variety of platforms, including iPhone, Android, Apple Watch, iPad and Android Tablet apps. The best perpHect alternative is HydroTracker, which is both free and Open Source. Other great apps like perpHect are Hydration Hostage, Hidroly, Neer and Waterit.