Your goal
What is your main goal with fasting?
This helps us recommend the right fasting plan and window for your body.
About you
What is your biological sex?
Biological sex affects metabolism, hormone cycles, and how your body responds to fasting.
About you
How old are you?
Age influences metabolic rate and how quickly the body adapts to fasting.
Your body
What is your current weight?
Used to personalise your weight loss estimate and fasting plan recommendations.
Your data is private and never shared.
Your goal
What is your target weight?
If weight loss is not your goal, enter a number close to your current weight.
Your health
Do any of the following apply to you?
Select all that apply. This helps us flag anything that may require extra care or a doctor's guidance.
Your lifestyle
How active are you day-to-day?
Your activity level affects how quickly your body depletes glycogen and enters fat burning.
You're halfway there
Your estimate is taking shape
A few more questions and we will have everything we need to build your personalised plan.
Your habits
How would you describe your current eating pattern?
This helps us understand how much your routine will change with fasting.
Your experience
Have you tried intermittent fasting before?
Your starting point helps us set realistic expectations and the right level of challenge.
Your challenges
What's your biggest concern about fasting?
We'll factor this into your plan so it's built to work around your real life.
Your recovery
How would you rate your sleep quality?
Sleep significantly affects hunger hormones and how well your body responds to fasting.
Your routine
Do you normally eat breakfast?
This helps us suggest the best time of day to place your eating window.
Your schedule
When do you prefer to eat during the day?
Your eating window should fit your natural rhythm and social schedule.
Your wellbeing
How would you describe your current stress levels?
High stress raises cortisol which can slow fat loss and make fasting harder to sustain.
Your personalised plan
Your best fit is 16:8 fasting
Based on your goals, lifestyle, and body — this plan is designed to work with your routine, not against it.
Recommended plan
16:8
Fast for 16 hours, eat within an 8-hour window.
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Suggested eating window
12:00pm - 8:00pm
Fits your midday preference and evening social life
Est. loss / month
3-6 lbs
Fasting window
16h
Difficulty
Moderate
Why this plan for you
Free to download. No credit card required.
On desktop? Scan to download on your phone
Open your camera app and point it at the code to go straight to the App Store.