JustFast is described as 'The simple intermittent fasting tracker made for beginners. Whether you're just starting your fasting journey or looking for a clean, easy-to-use tool, JustFast helps you track your fasting hours, build healthy habits, and stay motivated — without distractions or' and is a Weight Loss tool in the sport & health category. There are more than 10 alternatives to JustFast for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Apple Watch apps. The best JustFast alternative is Zero, which is free. Other great apps like JustFast are BodyFast Intermittent Fasting, FastMinder, Intermittent Fasting GoFasting and feastr Meal Plan & Recipes.