Best Intermittent Fasting Apps in 2025 for Android & iOS
In 2025, intermittent fasting apps are more than just digital timers—they’re AI-powered wellness companions. With the rise of health-conscious consumers, wearable integrations, and real-time health tracking, mobile fasting solutions have become essential tools for individuals aiming to optimize their lifestyle. Whether you’re using an Android app or an iOS app, there are smart, intuitive solutions to help guide your intermittent fasting journey.
Zero – The Most Trusted Fasting App for Data-Driven Results
Zero continues to dominate the fasting space thanks to its expert-driven content and customizable fasting schedules. Backed by medical researchers and health professionals, it offers personalized plans, goal tracking, mood logging, and detailed analytics to help users stay consistent. Available on both Android and iOS platforms, Zero is designed for users who want a clean interface paired with science-backed results.
Fastic – Wellness Meets Simplicity
Fastic is perfect for those seeking a more holistic fasting experience. It combines intermittent fasting with hydration reminders, step tracking, and educational content. Its community-driven approach appeals to both beginners and seasoned fasters. This freemium app supports most fasting plans including 16:8, OMAD, and 5:2, making it ideal for mobile users aiming for a flexible yet structured health solution.
DoFasting – Personalized Nutrition & Workout Support
DoFasting takes things up a notch with AI-powered meal suggestions, calorie tracking, home workouts, and fasting timers in one comprehensive mobile app. It’s a great fit for users who want to combine intermittent fasting with fitness goals. The sleek design and smart tracking features are optimized for both Android and iOS users, making it one of the most versatile apps in the fasting niche.
BodyFast – Smart Coaching for Long-Term Results
BodyFast offers weekly personalized fasting plans and digital coaching based on user progress and preferences. The app encourages consistency with achievement badges and challenge-based motivation. Its cross-platform functionality makes it popular among users seeking seamless fasting management across all devices.
Window – Best App for Apple Health Integration
Ideal for iOS users, Window supports easy tracking and integrates smoothly with Apple Health and Apple Watch. It allows you to choose fasting windows, track your weight, and measure progress over time. Its user-friendly interface and minimalist design make it a favorite for those looking for a distraction-free fasting assistant.
Ate Food Journal – Visual & Mindful Eating
Ate combines fasting with visual food journaling. Users can snap pictures of meals, record feelings, and track habits that influence eating behavior. The app promotes mindful eating by focusing not just on when you eat, but how and why you eat. It’s an ideal choice for users who want to develop healthier relationships with food while staying on track with intermittent fasting.
FastHabit – Simple and Fast Tracking
For users who want something fast and straightforward, FastHabit delivers a clean and effective fasting timer with daily reminders and progress charts. It supports all major fasting methods and offers Apple Watch integration, making it perfect for mobile-first users looking to maintain fasting habits without distractions.
Life Fasting Tracker – Social and Science-Backed
Life Fasting Tracker sets itself apart with a strong community and health-focused interface. It includes options for fasting circles where friends can fast together and track progress. Its bio-indicator tracking and personalized insights add credibility, aligning with the demand for evidence-based mobile wellness tools in 2025.
Simple – Smart, Personalized Fasting
Simple uses AI to analyze behavior, recommend fasting plans, and deliver actionable insights. With features like visual meal logging, mood tracking, and behavioral nudges, it tailors the fasting experience for long-term habit formation. Its clean design and adaptive recommendations make it a top pick for iOS and Android users looking for sustainable lifestyle change.
What Makes These Mobile Apps Stand Out in 2025
The best intermittent fasting apps today are built for mobile-first experiences, offering:
Cross-platform performance for Android and iOS users
Wearable compatibility (Apple Watch, Fitbit, Google Fit)
AI-powered coaching and real-time tracking
Privacy-first design with on-device data processing
Behavioral design principles that support habit formation
Simple, intuitive user interfaces for all ages
These features have redefined what users expect from health and wellness apps in 2025.
E-E-A-T Best Practices for Fasting App Development
To stand out in the competitive mobile app market, developers and health brands must adhere to Google’s E-E-A-T standards:
Experience: Build features based on real user feedback and clinical insights.
Expertise: Include nutritionists, health coaches, or certified trainers in the app development lifecycle.
Authoritativeness: Cite reliable sources, integrate medical research, and be transparent about claims.
Trustworthiness: Ensure data privacy with end-to-end encryption and offer clear opt-in for tracking.
Mobile apps that follow these principles not only rank better on search engines but also build lasting user trust.
The Rise of Intermittent Fasting in the Mobile Market
In the U.S., the intermittent fasting trend continues to soar in 2025, driven by digital health literacy and the convenience of mobile wellness apps. With over 80 million Americans engaging in some form of time-restricted eating, the market opportunity for Android and iOS app developers is massive. Whether you’re targeting health enthusiasts or corporate wellness programs, fasting apps are here to stay.
Final Thoughts
As we move further into 2025, intermittent fasting apps are no longer niche—they’re mainstream. With AI coaching, wearable integrations, and intuitive mobile design, these tools empower users to manage their health on the go. Whether you’re building an app, partnering with a wellness platform, or just looking for a better way to track your fasts, now is the time to invest in smart, data-driven mobile solutions.
Using a fasting tracker online free is one of the best ways to follow a fast easy cost method for achieving health goals through intermittent fasting, whether you’re using the best fasting app or a free intermittent fasting app that includes features like an intermittent fasting timer, water fasting calculator, intermittent fasting calculator, and a full intermittent fasting guide or intermittent fasting test to determine the best routine such as fasting for 20 hours a day, intermittent fasting 36 hours, alternate day fasting, or long-term plans like fasting for a week, all designed to support intermittent fasting for weight loss with tools like intermittent fasting meal plan, intermittent fasting protein options, and supplements for fasting, while helping you learn how to increase metabolism while fasting, understand the different types of fasting, compare options like 48 hour fast vs 72 hour fast, and track specific results using an intermittent fasting by age chart, monitor the hourly benefits of fasting chart, evaluate 21 hours fasting benefits, explore the benefits of a 20 hour fast, assess 36 hour fast benefits, and even learn if fasting can lower blood pressure, whether fasting increases blood pressure, or will fasting lower blood pressure, while also guiding on questions like can you drink water while fasting, can you drink coffee during intermittent fasting, whether coffee while intermittent fasting or drinking coffee during intermittent fasting affects your fast, and finally showing results through intermittent fasting before and after, supported by fast easy reviews, a fast easy plan, and an overall fasting like diet that contributes to heart health and reduces the risk of intermittent fasting heart attacks, with measurable 72 hour fast weight loss and 72 fasting benefits, all aligned to your intermittent fasting schedule.
When I began using Simple, I was guided through a detailed questionnaire covering my age, current weight, dietary preferences, eating habits, sleep patterns, activity level, and weight loss goals. This personalized approach enables Simple to recommend a fasting plan tailored to my specific needs.
For those aiming to meet weight loss goals, Simple allows you to set a target weight and specify a deadline or event, such as a 5K run. I set my goal around this event, and Simple provided a timeline for achieving it based on the app’s recommendations. While reaching this goal involves multiple factors beyond the app, this feature is valuable for creating a structured plan.
Simple features a straightforward fasting protocol: a 16-hour fasting window followed by an 8-hour eating window. I scheduled my eating period from 10:00 am to 6:00 pm, though you can adjust these times to better fit your lifestyle.
One standout feature of Simple is its food logging capability, which many fasting apps lack. You can quickly log entire meals, such as “Greek yogurt, blueberries, and granola,” and receive a nutritional score—low, fair, good, or optimal—evaluating protein, fiber, sugars, saturated fat, and essential vitamins or minerals. However, be aware that logging meals during an active fast will end it, so it’s best to modify existing logs to include new foods.
Thinking to develop a fasting app? Intermittent fasting apps are the new startup app concept in the health and wellness industry.
Intermittent fasting takes commitment, strict planning, and a lot of resisting temptation. In other words, it’s not the easiest regime there.
Well, If you are having questions like,
- Is the intermittent fasting app free?
- Are there any free intermittent fasting apps?
- How to develop a fasting app?
- Which intermittent fasting app is best?
- We are going to cover here all your questions.
- Yes, you are still on a diet.
To make things even more difficult, once you decide to try it, you have to decide what type of fasting you go:
- Alternate day fasting
- 16:8 diet (where you eat in an 8-hour window and fast for 16 hours)
- Eat-stop-eat, the Warrior Diet, the list goes on.
- Which intermittent fasting app is best?
- 5:2 diet (where you eat like regular for five days a week and eat very few calories two days a week),
If you’re in the U.S. and looking to transform your health through fasting, using a fasting tracker online free is one of the smartest choices. Whether you’re trying fasting for weight loss, managing your eating windows with an intermittent fasting timer, or following a detailed intermittent fasting schedule, there’s a tool designed just for you.
From the best fasting app to the most popular free intermittent fasting app, many of these platforms include features like a water fasting calculator, intermittent fasting calculator, intermittent fasting guide, and even an intermittent fasting test to help personalize your plan. Whether you’re practicing intermittent fasting 36 hours, fasting for 20 hours a day, or exploring alternate day fasting, it’s essential to fuel your body right — using intermittent fasting protein, smart hydration, and trusted supplements for fasting.
The U.S. audience also loves the simplicity and results shown in intermittent fasting before and after photos, especially when following a fast easy plan backed by fast easy reviews. You can explore the hourly benefits of fasting chart, compare 48 hour fast vs 72 hour fast, and understand 21 hours fasting benefits, 36 hour fast benefits, or the benefits of a 20 hour fast.
If you’re wondering things like can you drink water while fasting or can you drink coffee during intermittent fasting, rest assured — hydration and intermittent fasting coffee (like drinking coffee during intermittent fasting) are common in U.S.-based fasting routines. With the right intermittent fasting meal plan, you’ll not only burn fat but also improve heart health by reducing risks of intermittent fasting heart attacks and exploring questions like can fasting lower blood pressure, will fasting lower blood pressure, or does fasting increase blood pressure. Also, if you want to optimize results, learn how to increase metabolism while fasting and use an intermittent fasting by age chart to tailor your journey.
Whether you’re just starting out or aiming for a 72 hour fast weight loss, using a fasting app from a trusted source in the U.S. is your first step toward better health at a fast easy cost — and yes, there’s even a free fasting diet plan to get you going!
If you’re looking for the best intermittent fasting app in the USA that offers a fasting tracker online free with a fast easy cost, Zero stands out for its user-friendly intermittent fasting timer and educational guidance. It’s especially popular for intermittent fasting for weight loss, offering resources like a water fasting calculator, intermittent fasting calculator, and a personalized intermittent fasting guide.
Whether you’re following intermittent fasting 36 hours, fasting for 20 hours a day, or exploring alternate day fasting, Zero supports a variety of fasting types, including different types of fasting such as the fasting like diet or a structured intermittent fasting schedule. The app also helps track your results using tools like the intermittent fasting test, intermittent fasting by age chart, and hourly benefits of fasting chart, which are essential for planning a sustainable routine.
For those wondering can you drink water while fasting or can you drink coffee during intermittent fasting, the app provides clarity—yes, both water and intermittent fasting coffee (like drinking coffee during intermittent fasting) are allowed and even encouraged to stay hydrated. If your goal is long-term change, you can pair your fasts with a free fasting diet plan, intermittent fasting meal plan, or even supplements, such as intermittent fasting protein and other supplements for fasting, to optimize results.
Health experts behind Zero, including Dr. Peter Attia, recommend fasting strategies like the fast easy plan, which includes variations such as the 21 hours fasting benefits, benefits of a 20 hour fast, 36 hour fast benefits, and comparisons like 48 hour fast vs 72 hour fast, especially for those committed to fasting for a week or aiming for 72 hour fast weight loss. It’s also important to monitor effects on heart health, as research on can fasting lower blood pressure, does fasting increase blood pressure, and will fasting lower blood pressure continues to evolve. U.S. users are finding success with Zero’s tools and seeing tangible intermittent fasting before and after results, along with strong community support and excellent fast easy reviews that make it a top-rated free intermittent fasting app in the American market today.
Image Credits: apple.com
- Reflect on your fasting experience with the journal of fasting
- Weekly articles made by their expert team of content to keep you inspired and informed
- Earn badges to celebrate your milestones of fast and stay inspired
- Set a goal for weight and track your progress
- Stay progressive with special events and group fasts
- A beautiful design well thought out, it is easy to start fasting
- View your progress in fasting over time
If you’re based in the USA and searching for the best intermittent fasting app that balances ease of use with science-backed features, Window is a great option. This intuitive fasting app functions as a fasting tracker online free, helping users stick to their intermittent fasting schedule while keeping a personal fasting diary. It includes tools like an intermittent fasting timer, intermittent fasting calculator, intermittent fasting guide, and even an intermittent fasting test to assess your progress. Whether you’re practicing intermittent fasting 36 hours, fasting for 20 hours a day, or going for a 72 hour fast weight loss, Window supports different types of fasting like alternate day fasting and the fasting like diet.
Users can explore variations such as 21 hours fasting benefits, benefits of a 20 hour fast, or compare 48 hour fast vs 72 hour fast with the help of visual progress tracking, including intermittent fasting before and after photos. For those asking “can you drink water while fasting” or “can you drink coffee during intermittent fasting”, the answer is yes—coffee while intermittent fasting and drinking coffee during intermittent fasting are both acceptable, as are smart hydration practices during water fasting. With helpful insights like the hourly benefits of fasting chart, intermittent fasting by age chart, and fasting for a week options, the app ensures everyone from beginners to experienced users can stay on track.
Window also helps address common health questions such as can fasting lower blood pressure, will fasting lower blood pressure, does fasting increase blood pressure, and even concerns around intermittent fasting heart attacks. It supports nutrition tracking through intermittent fasting meal plan options, intermittent fasting protein guidelines, and recommended supplements for fasting. The fast easy plan within the app combines a free fasting diet plan with smart reminders and personalized tracking—all with fast easy cost and excellent fast easy reviews. For anyone serious about intermittent fasting for weight loss or just learning how to increase metabolism while fasting, Window is a top-rated free intermittent fasting app in the U.S., making it a must-try for 2025.
Fastient is an easy intermittent fasting tracker tool that cleverly shows your progress before, during, and after fasting. Its features include the ability to track your everyday achievements and journal symptoms, mood, and weight, etc. The Fastient users can add and edit previous fasts.
Image Credits: apple.com
- Visualize your progress in the completion bar
- View current statistics on a simple home screen quickly
- Change the start time of your fast (ex. last night after dinner)
- Set a goal for weight and track your progress
- Current fast will be not added to your stats
- See your weight loss, fasting, or feeding on a chart
- Import previous fasts from other tracking mobile apps via .csv file
- Access Fastient from any device or platform
- Your data is safe; delete your data and account whenever you want
Fastient works seamlessly with various types of fasts. Popular fasting regimes include:
- Intermittent Fasting (IF)
- Alternate Day Fasting (ADF)
- One Meal a Day (OMAD)
- 16:8, 20:4, or 36 – hour fast
- Extended Fasting (EF)
There are many best intermittent fasting applications for 2022. From that list, this app is a planning tracker, because it allows users to set their own start and end and aims to periods of fasting.
Image Credits: apple.com
The advantage of intermittent fasting applications is under the learning library with articles based on research and advice for intermittent fasting beginners and experienced. The application has exceeded more than 5,00,000 downloads since its launch in late 2018.
- Intermittent fasting supported by research and health articles added each week
- Easily follow the intermittent fasting state, mood and share your progress
- Define, modify and adjust the rapid time to the length
- Quick start or stop your fast
- Taking any load limited time eating on time: including 16: 8, 24 hours OMAD 5: 2 or prolonged fasting
- Follow your fasts and feast with friends
- Track your weight, height, glucose, and ketones
- Join Fasting circles to challenge, encourage and hold each other accountable
BodyFast is your guide to new healthy habits. Achieve your dream weight and feel healthy and energized.
Intermittent fasting is the healthiest way to lose weight without following any diet. The download and use of BodyFast are free. Get your fasting plan and other characteristics with the coach, which is available in the app with a subscription.
Image Credits: apple.com
The subscription is automatically renewed if it is not canceled within 24 hours before the end of the subscription period. Your account will be charged for the next subscription period up to 24 hours before the current subscription expires.
- Over 10 fast plans as 5-2 or 16-8
- A fast-tracking timer and guide your weeks
- Knowledge pool for intermittent fasting
- Follow your weight and body measurements
- Multiple notification options
- Apple connectivity health
- No ads
Ate Food Diary app helps you keep a visual food diary to keep track of how much time has elapsed between meals and snacks and to provide an easy way to make the food choices you make and how it will feel. If you are responsible for social media, we have taken makes it easy to share what you ate on your channels.
Image Credits: apple.com
The subscription is automatically renewed if it is not canceled within 24 hours before the end of the subscription period. Your account will be charged for the next subscription period up to 24 hours before the current subscription expires.
- Quickly capture your meal before you eat
- Keep notes about your meal
- Learn about your hunger cues
- Track the time of your meal
- Helps you connect the dots to understand your mood and energy
- Track the time between meals
Vora is a rapid application monitoring cloud where you can create, edit and delete your fasts. See the last 7 fasts in a beautiful table that shows if you hit your target quickly.
Image Credits: apple.com
The subscription is automatically renewed if it is not canceled within 24 hours before the end of the subscription period. Your account will be charged for the next subscription period up to 24 hours before the current subscription expires.
Vora allows you to use the program as you like fasting – Vora follows for you. All types of fasting are supported:
- Intermittent Fasting
- Full Speed
- The Daniel Fast
- Fast 3 days
- Partial Fast
- 5: 2
- Leangains
- The warrior diet
Vora is a rapid application monitoring cloud where you can create, edit and delete your fasts. See the last 7 fasts in a beautiful table that shows if you hit your target quickly.
Image Credits: apple.com
You can see a summary of the last 10 days, which could help motivate you to stick to your schedule of daily fasting time, and you can set reminders that send notifications on your phone or Apple shows when a quick start or end.
- Simple, Flexible Fasts Tracker
- Tracking Weight
- Reminders and Notices Set To Start and Stop Quickly
- Motivation and Current Stats
- Calendar and Weekly View with Daily Details
Fastic is a top-rated free intermittent fasting app designed for users in the USA who want to follow a personalized intermittent fasting schedule. Known as one of the best fasting apps, it functions as a smart fasting tracker online free with a built-in intermittent fasting timer, water fasting calculator, and intermittent fasting calculator to support your journey toward fasting for weight loss. Fastic helps users follow various fasting methods like intermittent fasting 36 hours, fasting for 20 hours a day, alternate day fasting, and even the intense 72 hour fast weight loss plans, while providing detailed insights using an hourly benefits of fasting chart and intermittent fasting by age chart.
Whether you’re exploring the benefits of a 20 hour fast, 21 hours fasting benefits, or comparing 48 hour fast vs 72 hour fast, Fastic includes tools to guide your intermittent fasting test, analyze your intermittent fasting protein intake, and build a sustainable intermittent fasting meal plan. It answers common questions like “Can you drink water while fasting?” and “Can you drink coffee during intermittent fasting?” while supporting those who enjoy coffee while intermittent fasting or drinking coffee during intermittent fasting. For those concerned with health, Fastic helps users learn whether fasting can lower blood pressure, will fasting lower blood pressure, or does fasting increase blood pressure, and even covers risks like intermittent fasting heart attacks.
The AI-powered intermittent fasting guide helps users learn how to increase metabolism while fasting, track intermittent fasting before and after results, and select suitable supplements for fasting. With features like real-time diagnostics, smart notifications, and an AI chatbot, it transforms your fasting app experience into an interactive, easy-to-follow plan—making it perfect for anyone looking for a fast easy plan with fast easy cost and excellent fast easy reviews. This fasting like diet is one of the different types of fasting that is highly customizable, empowering users with accurate tracking, education, and motivation—all within a sleek, user-friendly app built for modern American lifestyles.
If you are a professional or dietitian managing a fitness center and wellness, looking for the best way to follow the fasting and the progress of weight loss your client, we have the solution application apt as fast application. Our application developers have the most experience in applications from scratch. Contact us for a free consultation now.
FAQs
What is an intermittent fasting app?
Intermittent fasting apps are the new startup app concept in the health and wellness industry. Intermittent fasting takes commitment, strict planning, and a lot of resisting temptation.
How much does it cost to build an intermittent app like vora?
It might cost somewhere between $25,000-$50,000. The cost varies depending on the features and complexity of your application. You can also use an app cost calculator to estimate the exact cost for building an intermittent app like Vora.
If i have an Intermittent fasting app idea how can i contact the best app development company?
If you have an intermittent fasting app idea, you can contact us at echo innovate IT by using the contact form, Gmail, and phone number provided on our website. We would love to help with your project. Contact us now!
