Fasting Center

Fasting tracker with real numbers - plan, track, and measure your fast.

Fasting Center is a fasting timer and tracker built around data, not generic guesses. Start a fast, watch your progress on a live ring with fasting stages, and see projections of weight change, fat loss, and energy use - personalized from your own body stats.

TRACK YOUR FAST

• Fasting timer with stage markers - fat burning, ketosis, and more
• Any duration: 12:12 to multi-day extended fasts, or open-ended
• Edit start and end times when life happens
• Projected vs measured weight loss, side by side

PLAN WITH REAL NUMBERS

• Enter your stats and fast length, get a personalized projection before you start
• Estimated total weight change, fat loss, and energy use
• Fine-tune goals for your next fast based on what actually happened

MEASURE YOUR PROGRESS

• Log weight, body fat, waist, ketones, glucose, and blood pressure
• Apple Health sync - weight and body fat flow in automatically
• Import your history from Zero and Easy Fast
• Charts that plot your real history over time
• Daily log for notes, mood, and how you feel

YOUR DATA, SAFE

• Free to use
• No ads
• Optional account with cloud sync and backup - sign in with Apple or Google
• Delete your data and account anytime, completely

Whether you're planning your first extended fast or fine-tuning a routine you've run for years, Fasting Center gives you a clear, data-driven picture of what to expect - and what actually happened.

Fasting Center is a planning and estimation tool. It does not provide medical advice - always consult a healthcare provider before starting an extended fast, especially if you have any underlying health conditions.