Zero is the all-in-one fasting tracker and nutrition app built for real results. Most fasting and weight loss apps stop at simply tracking fasts or calories. Zero connects the full picture — fasting, protein, meals, hydration, and habits — so you actually change your body composition, not just your eating schedule.
Here’s how Zero helps you get there:
• Track your intermittent fasting — Engage timers, streaks, and insights keep you stay motivated and consistent across your entire fasting journey.
• Log meals the smart way — Skip the tedious manual meal entry routine. With Zero Plus, snap a photo and get instant macros, protein composition, and clarity on how effectively your meals support your goals. Your first meal logs are on us, so you can try it before you subscribe.
• Hit your Protein Score — Zero Plus tracks a personalized daily protein target that adapts to your weight and goals. Better protein = better satiety, better muscle retention, better weight loss. Zero makes it automatic.
• Complete the equation: Fasting + Protein — Most people fast or track meals. Zero brings them together so you lose weight, protect muscle, and avoid the pressure and guilt of traditional calorie trackers.
• Stay hydrated to power your fasts — Water tracking with Zero Plus helps you maintain energy, reduce cravings, and support metabolic function throughout the day.
• Build healthy habits that actually matter — Track movement, sleep, mood, and other daily pillars that reinforce your fasting and fueling routine.
• Challenge yourself — Hit protein targets, maintain fasting streaks, and stay accountable with motivating challenges built around outcomes, not vanity metrics.
• Learn the real science — Understand how fasting, protein, and hydration work together for sustainable weight loss and metabolic health — with insights from leading experts.
• See measurable progress — Watch your streaks grow, your protein consistency rise, and your body composition improve with clean, insightful trend views.
Whether you’re starting out or optimizing an existing routine, Zero gives you the structure, guidance, and clarity most apps miss.
Zero is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult your doctor or qualified healthcare provider before making any changes to your diet, fasting routine, or health regimen.
Zero is free to download, with fasting timers, streaks, weekly trends, expert articles, and challenges included. Zero Plus is an optional subscription that unlocks photo meal logging and your Protein Score, water tracking, custom fasts and saved presets, Fat-Burning Mode, the mood journal and daily habit insights, premium articles and Plus-only challenges, and monthly, yearly, and correlated charts. A free trial is available.
Payment for Zero Plus will be charged to your Apple 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 in your Account Settings.
Read more terms & conditions:
Terms of use: https://www.zerolongevity.com/terms-of-use
Privacy policy: https://www.zerolongevity.com/privacy-policy
이것보다 훨씬 허접한 앱도 광고 안 보려면 유료인데 이건 한글 지원만 안 될뿐 디자인도 예쁘고 쓰기도 편하고 광고도 없어요!!! 전 매일 단식 시작하는 시간이 달라서 정말 유용하게 잘 쓰고 있습니다. 유료여도 샀을 것 같어요 써본 단식앱 중에 최고에요
예전 업데이트 후 불편해진 점
케일샐러드
잘 쓰고 있는데, 예전엔 단식 시작 시간을 미래 시간대로 맞추면 자동으로 현재 시간으로 돌아가서 곧장 단식을 시작할 수 있었잖아요. 근데 지금은 단식을 중단하고 다시 시작하고자 할 때 아예 기록을 삭제하고 다시 단식 시작을 누르거나 현재 시간을 하나하나 사용자가 맞춰야 단식 시작 버튼이 활성화 돼서 매우 불편합니다. 왜 이렇게 바뀐 건지 모르겠네요. 이점이 아쉬운 것 빼고 잘 쓰고 있습니다
개발자 답변
안녕하세요. 코치 탭과 관련된 이 문제에 대해 유감스럽게 생각합니다! 이 문제를 해결해야 하는 최신 버전의 앱을 App Store에서 다운로드하십시오(버전 4.19.5). 도움이 필요하면 support@zerofasting.com으로 이메일을 보내 세부 정보와 함께 참조 번호 45733을 포함하여 지원 팀이 자세히 살펴볼 수 있도록 하십시오. –Team Zero // Hi there – We're sorry to hear about this issue with the Coach tab! Please download the latest version of the app in the App Store which should resolve this issue (version 4.19.5). If you'd like assistance please send us an email at support@zerofasting.com with the details and include reference number 45733 so our support team can take a closer look. –Team Zero
간헐적 단식 앱 중 제일 좋은데 유료버전이 넘 비쌈
Jonzal
직관적인 UI에 보기도 편하고 기록 편집 모두다 편하고 깔끔한데 유료버전좀 써보고 싶은데 너무 비쌈…좀 저렴한 유료버전이 있으면 좋을텐데.
아주 좋습니다!
000000001100
디자인 깔끔하고 무엇보다 스타트 누르는 걸 깜박했을때 시간편집해서 맞춰서 넣을수 있다는 점이 편리합니다 덕분에 간헐적단식 잘하고 있습니다
Fasting, hands-free.
This update makes Zero easier to reach when you're on the go, with enhanced Siri support for fasting and a quicker way into meal logging.
• Fasting with Siri: Start, end, or check on your fast just by asking — try "Start my fast in Zero." Zero now works with Siri automatically, with no setup needed, and is updated for the new Siri in iOS 27.
• Quicker Meal Logging: Add the new Log Meal control to your Lock Screen, Control Center, or Action button to jump straight into logging a meal. Requires iOS 18 or later.
• Bug Fixes: Fixed an issue that could prevent logging your weight on iOS 27, and improved compatibility with the latest version of iOS.
버전 7.15.0
Zero Longevity Science, Inc. 개발자가 아래 설명된 데이터 처리 방식이 앱의 개인정보 처리방침에 포함되어 있을 수 있다고 표시했습니다. 자세한 내용은 개발자의 개인정보 처리방침 을 참조하십시오.
사용자에게 연결된 데이터
다음 데이터가 수집되어 신원에 연결될 수 있습니다.
건강 및 피트니스
위치
연락처 정보
사용자 콘텐츠
식별자
사용 데이터
진단
개인정보 처리방침은 사용하는 기능이나 사용자의 나이 등에 따라 달라질 수 있습니다. 더 알아보기