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Intermittent Fasting App
Can Work for You

Reach your health goals with Window, your in-hand intermittent fasting companion. We use a science-based approach, guided by experts.

Start your plan today
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Average rating
4.5

Avocado ninja

Users
4.6 million

Great intermittent fasting app –
I have used it for two years, and I love it!

Great intermittent fasting app – I have used it for two years, and I love it!

Amelia Gator

Fasting and Eating Tracker

With Window, eating and fasting become natural parts of your daily cycle. We help you concentrate more on eating than restriction, because it helps form a healthy relationship with food.

Want to know when to eat or fast? We base notifications on your schedule and eating habits, so those notifications can keep you on track. Consider us your fasting coach!

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Weight Tracker

Hit your goals with an Intermittent Fasting app.

The Daily Weight Tracker shows you your statistics based on your fasting and eating periods, and it can be synced automatically with Apple Health for even easier access to your information.

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Water Tracker and Stats

Remember to hydrate!
Track liquid intake, and view it in the water intake chart.

Not getting enough water?
Window will send you hydration notifications.

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Meal Plan and Nutrition Tracker

With Window, you can follow an eating plan prepared by a certified nutritionist – based on the information you provide.

Record your results by tracking what you eat, tracking your mood, and tracking how you feel in your body with the Nutrition Tracker.

Reach your fasting goals

Enjoy free and premium features

Free
Features
Premium
Fasting tracker
Water tracker
Weight tracker
Customizable reminders
Access to your personal fasting program
Access to all fasting programs
Advanced personal stats
Mood tracker
Nutrition tracker
Nutritionist’s meal tips
Challenges

Frequently Asked Questions

What is intermittent fasting (IF)?
Is fasting suitable for me?
Can fasting lead to weight loss?
How do you choose a fasting plan?
What can I drink when fasting?
What should I eat during eating
windows?
Intermittent fasting is an eating pattern where you cycle between periods of eating and fasting. It isn’t about which foods to eat, but rather when you should eat them.
There are different types of intermittent fasting, including:
  • 5:2 diet
  • Alternate day fasting
  • 16:8 fasting
A number of studies show that IF may help improve metabolic health, promote weight loss, and lower cholesterol levels for some individuals.
Before beginning an intermittent fasting plan with a fasting tracker, it is important that you consult your doctor or health care professional. Practicing IF is not recommended if you are pregnant, breastfeeding, or have a history of eating disorders. It is also inadvisable for those in a period of rapid growth, such as children or adolescents. If you have any chronic illnesses, such as diabetes, or are simply unsure if it suits you, please, consult your doctor before incorporating these protocols into your lifestyle.
Among the benefits, several studies have shown that reducing overall calorie intake while practicing IF can be effective for weight loss.
Unlike many diets, it doesn’t require counting calories, calculating macros, or measuring ketones. You can keep eating your favorite foods during the eating window. However, it is advisable to eat healthy and get a variety of important nutrients such as protein, carbohydrates, fats, vitamins, and minerals to ensure that your body is well-nourished. Track fasting to see your overall results.
If you’re new to intermittent fasting, you may want to start with shorter fasting stages and increase them gradually.
When selecting a plan, consider which meal is the easiest for you to skip, what time you go to sleep, and when you wake up. Aim to set goals that are realistic and achievable for your lifestyle.
In Window, both beginners and experienced fasters can find a suitable schedule. Plan options provide a number of plans to choose - from “Easy Start,” the plan with the shortest fasting window, to the plan with the longest one, “The Warrior Diet.”
To keep your body in a fasting state, it is recommended not to consume calories during the fasting periods. However, you can drink water, tea, or coffee without adding sugar or milk. This helps to avoid disrupting the important metabolic processes that are taking place while your body is in a fasting state, such as fat oxidation, and allows other important processes to rest.
If you are doing IF, make sure to consume a variety of important nutrients, and eat satisfying meals of whole grains, vegetables, fruits, and lean proteins. Your goal is to get all the nutrition from fewer meals, so avoid filling your plate with things that won’t benefit your body (processed or refined foods). The beauty of IF is that it’s not a diet, so it doesn’t restrict you in what you eat. However, eat wisely and focus on balanced diet. Also, be sure to stay hydrated by drinking enough fluids.
What is intermittent fasting (IF)?
Intermittent fasting is an eating pattern where you cycle between periods of eating and fasting. It isn’t about which foods to eat, but rather when you should eat them.
There are different types of intermittent fasting, including:
  • Time-restricted eating
  • Alternate day
  • Periodic
A number of studies show that IF may help improve metabolic health, promote weight loss, and lower cholesterol levels for some individuals.
Is fasting suitable for me?
Before beginning an intermittent fasting plan with a fasting tracker, it is important that you consult your doctor or health care professional. Practicing IF is not recommended if you are pregnant, breastfeeding, or have a history of eating disorders. It is also inadvisable for those in a period of rapid growth, such as children or adolescents. If you have any chronic illnesses, such as diabetes, or are simply unsure if it suits you, please, consult your doctor before incorporating these protocols into your lifestyle.
Can fasting lead to weight loss?
Among the benefits, several studies have shown that reducing overall calorie intake while practicing IF can be effective for weight loss.
Unlike many diets, it doesn’t require counting calories, calculating macros, or measuring ketones. You can keep eating your favorite foods during the eating window. However, it is advisable to eat healthy and get a variety of important nutrients such as protein, carbohydrates, fats, vitamins, and minerals to ensure that your body is well-nourished. Track fasting to see your overall results.
How do you choose a fasting plan?
If you’re new to intermittent fasting, you may want to start with shorter fasting stages and increase them gradually. When selecting a plan, consider which meal is the easiest for you to skip, what time you go to sleep, and when you wake up. Aim to set goals that are realistic and achievable for your lifestyle.
In Window, both beginners and experienced fasters can find a suitable schedule. Plan options provide a number of plans to choose - from “Easy Start,” the plan with the shortest fasting window, to the plan with the longest one, “The Warrior Diet.”
What can I drink when fasting?
To keep your body in a fasting state, it is recommended not to consume calories during the fasting periods. However, you can drink water, tea, or coffee without adding sugar or milk. This helps to avoid disrupting the important metabolic processes that are taking place while your body is in a fasting state, such as fat oxidation, and allows other important processes to rest.
What should I eat during eating windows?
If you are doing IF, make sure to consume a variety of important nutrients, and eat satisfying meals of whole grains, vegetables, fruits, and lean proteins. Your goal is to get all the nutrition from fewer meals, so avoid filling your plate with things that won’t benefit your body (processed or refined foods). The beauty of IF is that it’s not a diet, so it doesn’t restrict you in what you eat. However, eat wisely and focus on eating nutrient-dense foods. Also, be sure to stay hydrated by drinking enough fluids.
Want a personalized intermittent fasting and eating plan? Try for Free
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