Zero: Fasting & Health Tracker

Unlock the power of intermittent fasting to lose weight and improve your metabolic health.

Zero’s expert guidance, goal-based fasting plans, personalized insights, and advanced tracking can help you manage your weight, boost energy, reduce inflammation and live a longer, healthier life.

Rooted in scientific research and backed by Zero’s Chief Medical Officer Dr. Peter Attia, use Zero to reach healthy weight loss goals and enjoy your favorite foods no matter what diet you follow - keto, low-carb, mediterranean, vegan, vegetarian, paleo, macros, intuitive eating or calorie counting.

Featured in Women’s Health, The Tim Ferriss Show and more, Zero is the world’s most popular fasting app.

Get started for free today.

FAST TRACK YOUR GOALS

TIMER - Set goals, track your fasts, and stay on track with Siri support and iOS 14 widgets.

CUSTOM PLANS - Personalized protocols and adaptive recommendations help everyone from first-time fasters to advanced practitioners.

SUSTAINABLE APPROACH - Adjust how long and how often you fast and enjoy your meals when you’re not fasting.

MONITOR PROGRESS

PERSONALIZED INSIGHTS - See how your fasting practice correlates with health markers like weight, heart rate, sleep, and blood glucose. Spot trends and adjust behaviors to stay on target.

FASTING ZONES - Understand what's happening in your body to stay motivated to reach your goals.

JOURNAL - Reflect on how you feel during your fasts. We'll graph your moods so you can track trends over time.

GET GUIDANCE FROM EXPERTS

PREMIUM CONTENT - Cut through the noise with an exclusive, ever-growing library of hundreds of videos, articles, audio segments, and Q&As from health experts like Dr. Peter Attia and Kanchan Koya PhD.

HOLISTIC APPROACH - Learn about multiple facets of health, including metabolic health, mindful eating, gut health, inflammation, blood sugar, hormone health, hunger management, sleep health, exercise, and more.

ASK ZERO - Submit your questions and tune in to get answers from experts.

STAY ACCOUNTABLE AND GET SUPPORT

CHALLENGES - Fasting is more fun with friends. Join seasonal events and group fasts that align with your goals. Stay motivated with guidance from experts and a chance to win exclusive prizes.

ACHIEVEMENTS - Unlock achievements to celebrate fasting milestones and stay motivated.

APPROACHABLE FASTING PLANS FOR EVERY BODY
• 13-HOUR FAST, based on research by Dr. Satchin Panda (Salk Institute), this 13-hour or “Circadian Rhythm Fast” aligns your eating window with your body’s clock.

• 16-HOUR FAST, or the 16:8 Intermittent Fast, used by celebrities, athletes, and millions of Zero users to manage weight.

• 18-HOUR FAST, or 18:6 for more advanced fasters.

• Other popular fasts include OMAD (one meal a day), 20:4 fast and custom prolonged fasts up to 7 days

Track your progress on your iPhone or Apple Watch with Apple Health integration to sync your weight, resting heart rate and sleep.

Download the Zero app to get started for free, or unlock premium features with Zero Plus.

Payment for Zero Plus will be charged to your iTunes Account when you subscribe. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Manage your subscription by going to your Account Settings.

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