Fasting Center
Extended Fasting Calculator
About
Plan extended fasts with personalized projections. Input your body stats and desired duration to estimate weight change, fat loss, and energy use. This data-driven tool provides a clear starting point for your fasting journey.
What's New in Fasting Center
2.0.3
July 23, 2026
Redesigned first-run experience: streamlined onboarding, a new pre-fast screen with fasting stages, and the option to set your start time and goal before you begin. Apple Health data now appears on your Dashboard right after connecting.
MoreFAQ
What is Fasting Center?
Fasting Center is a planning and estimation tool designed to help users plan extended fasts. It provides personalized projections of weight change, fat loss, and energy use based on user-inputted stats and desired fast duration.
Does Fasting Center provide medical advice?
No, Fasting Center is a planning and estimation tool and does not provide medical advice. Users are strongly advised to consult a healthcare provider before starting any extended fast, especially if they have underlying health conditions.
How accurate are the projections in Fasting Center?
Projections are based on the user's entered body stats and activity level, offering a personalized estimate. The app aims to provide a data-driven starting point rather than definitive outcomes.
What devices does Fasting Center support?
Fasting Center is available on iPhone, iPad, and iPod devices.
What is the age rating for Fasting Center?
Fasting Center has an age rating of 12+, making it suitable for teenagers and older users.
How often is Fasting Center updated?
The latest version, 2.0.0, was released on July 17, 2026, indicating active development and updates.
What are the user reviews like for Fasting Center?
Fasting Center has received excellent feedback, with a current rating of 5.0 stars from 2 ratings, suggesting high user satisfaction.
Does Fasting Center have ads?
No, Fasting Center is ad-free, providing an uninterrupted user experience.