The FastBit is a native iOS app, helping you track your fasting. With predefined fasting ranges and the custom range, you are able to tailor your strategy to your very needs. Please be aware that fasting can be a very powerful tool with the potential to improve your health, but always consult your intentions with a medical professional. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://fastbit.app/terms.html Privacy Policy: https://fastbit.app/privacy.html