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If you’re new to intermittent fasting, maintaining an eating and fasting schedule can be challenging since you’re essentially building a new habit. That’s why using a free intermittent fasting app is so beneficial. These digital tools provide features that help you customize your fasting schedule, track meals, monitor progress, and stay motivated throughout your journey.
I’ve researched and tested numerous options to find the best free fasting apps available in 2025. Each app offers unique features designed to make your fasting experience more manageable and effective. Whether you’re a beginner looking for guidance or an experienced faster seeking better tracking tools, there’s an intermittent fasting free app on this list for you.
Let’s explore the top 6 free apps for intermittent fasting that can transform your health journey and help you reach your goals faster.
Best Intermittent Fasting Apps at a Glance
Here’s a quick overview of my pick of the six best free intermittent fasting apps:App Name Android iOS Best For 1. Lasta Yes Yes Best Overall Fasting App 2. Zero Yes Yes Most Comprehensive 3. Simple Yes Yes Setting Personalized Plans 4. Do Fasting Yes Yes Beginners 5. Soon Yes Yes Better Eating Habits 6. Rhythm No Yes iPhones
Why You Need a Free Fasting App to Stay on Track
Starting an intermittent fasting routine without proper guidance can lead to inconsistency and frustration. A free fasting app provides structure and accountability that significantly increases your chances of success. These apps offer timers to keep your fasting windows consistent, meal tracking to understand your nutrition patterns, and progress metrics to visualize your improvements.
The visual reminders and notifications from these apps can reinforce your commitment during challenging moments. Additionally, many free intermittent fasting apps include educational resources that help you understand the science behind fasting and how to maximize its benefits for your specific goals.
Using an intermittent fasting app free of charge also allows you to experiment with different fasting protocols without financial commitment. You can try various approaches like 16:8, 18:6, or alternate-day fasting to discover what works best for your body and lifestyle.
Lasta Fasting App – Best Overall Fasting Choice
Lasta stands out as a comprehensive intermittent fasting application customized to your individual needs. It effectively supports weight loss through cognitive behavioral therapy (CBT), addressing both the physical and psychological aspects of fasting.
This app helps you control and maintain your eating patterns, water intake, and physical activity goals through various in-app trackers. These features work together to help you develop healthier habits naturally over time.
What makes Lasta the best free app for intermittent fasting? It creates personalized fasting plans based on your preferences, lifestyle, gender, age, and medical background. This customization makes it accessible for both beginners and experienced fasters.
Additional features like mood logs and calorie counters integrate seamlessly with Apple Health, creating a holistic approach to wellness. Using Lasta ensures you have all the necessary tools to make the most of your intermittent fasting journey.
Keep in mind: While Lasta is free to download, you’ll need a monthly subscription to access advanced features. The trial version is available for $9.49 and provides a comprehensive approach to improving your health.
Pros:
- Supports your weight loss through CBT techniques.
- Lets you customize your fasting plans based on your needs.
- Comes with a variety of tracking features, including mood and calorie tracking.
Cons:
- Requires a subscription to unlock the advanced features.
Try Lasta fasting app for iOS and Android today!
Zero Fasting App – Most Comprehensive Fasting App
Also known as the Elon Musk fasting app, Zero provides numerous useful tools including timers, journals, and informative articles about what you can drink while fasting and how to improve your sleep. The application features a straightforward user interface that makes navigation intuitive.
The Mood Tracker is a standout feature that allows you to rate your daily mood. This creates a “mood graph” over time, helping you identify patterns in your mood based on your eating and fasting habits.
The basic version of Zero is free and packed with features. The premium version adds a personal coach to guide you through your fasting journey, enhancing your experience with professional support.
The journal feature helps you reflect on multiple health markers including mood, sleep, and heart rate throughout your fasting journey, giving you valuable insights into how fasting affects your overall wellbeing.
Pros:
- User-friendly interface and ideal for both beginners and experienced people.
- Mood tracking and “mood graph” identify patterns during fasting.
- Provides access to informative articles.
- Helps track essential health markers.
Cons:
- Frequently prompts you to upgrade to the premium version.
- You need a subscription to access all of Zero’s features.
Simple Fasting App – Best for Setting Personalized Plans
Simple makes intermittent fasting accessible by creating unique fasting plans customized for your body’s goals and needs. The app provides expert advice and practical tips that make your fasting journey both pleasant and valuable.
This intermittent fasting app free option integrates perfectly with Apple Health to track weight, sleep cycles, step count, and water consumption. While the basic version is free, the premium version ($14.99) offers motivational articles, personal analytics, and enhanced tracking capabilities for your fasting plans.
The personalization aspect of Simple sets it apart from other apps. It considers your specific health goals, current fitness level, and lifestyle factors to create a fasting schedule that fits naturally into your daily routine rather than forcing you to adapt to a rigid program.
Pros:
- Makes the intermittent fasting plans individual to the user.
- Syncs with Apple values and enables more in-depth tracking.
- Gives expert advice and valuable tips for beginners and the experienced.
Cons:
- Certain premium contents need to be paid for.
Do Fasting App – Best for Beginners
DoFasting is ideal for newcomers to intermittent fasting with its simple design and useful tools. The app includes trackers for calorie intake, hydration levels, and step count with real-time alerts to keep you on track.
The extensive library features guides on intermittent fasting and healthy eating, making it easy to learn new tips while on the go. Beginners will particularly appreciate the discovery tab, which contains helpful content such as proper fast-breaking techniques.
A prominent fasting timer on the home screen makes monitoring your progress straightforward. The food log feature includes a cookbook with over 5,000 recipe ideas, giving you plenty of options for your eating windows.
One limitation is that DoFasting doesn’t emphasize the potential risks of prolonged fasting. However, the basic version is available as a free fasting app with no subscription required unless you want access to more advanced features.
Pros:
- The timer breaks down fasting periods and makes it easier to keep track.
- A broad database of recipes with over 5,000 foods for all diet types.
- It advises on the best way to break a fast, along with calorie recommendations for meals and snacks.
Cons:
- Doesn’t emphasize the dangers of prolonged fasting for beginners.
- The subscription plans can be pricy.
Soon Fasting App – Best for Better Eating Habits
SoonFasting features an AI food scanner that analyzes available foods and provides smart eating recommendations. This functionality helps with calorie burning, muscle development, and metabolic health improvement, leading to overall better wellness.
The app allows you to create weekly diet charts and fasting schedules, helping you stay disciplined throughout your wellness journey. Beyond basic calorie tracking, Soon Fasting offers individualized fasting plans, goal-setting systems, and comprehensive analytics for monitoring your results.
The trackers monitor your fasting habits, water intake, steps, and weight, creating a complete picture of your health journey. This makes Soon an excellent free app for intermittent fasting focused on weight loss and overall health management.
The nutritional guidance provided by Soon goes beyond simple calorie counting, helping you understand how different foods affect your body during fasting and eating windows. This educational component helps build sustainable eating habits that complement your fasting routine.
Pros:
- AI food scanner for smart eating tips.
- Personalized fasting plans and goal-setting.
- Comprehensive health tracking that also considers your food and nutrient intake.
Cons:
- You need a subscription to access the premium features.
- Some features, especially the AI ones, may seem overwhelming to use.
Rhythm Fasting App – Best Free iPhone Solution
Rhythm is exclusive to iOS devices and simplifies the intermittent fasting experience. It’s one of the top free fasting apps available for iPhone users. Its streamlined operation allows you to easily plan and track your intermittent fasting regimen.
The app offers various fasting protocols to choose from based on your preference, making it suitable for both beginners and experienced fasters. What makes Rhythm unique is its ability to set daily fasting targets and track your progress since starting your weight loss journey.
A thoughtful feature of this intermittent fasting free app is that once you’ve reached your fitness goal, it automatically stops sending notifications, allowing you to enjoy the results of your hard work without unnecessary reminders.
While Rhythm may not have all the advanced features of some premium apps, its simplicity makes it perfect for those who want a straightforward, no-frills approach to tracking their fasting schedule on an iPhone.
Pros:
- Setting fasting goals and tracking your progress are easy to do.
- Offers different intermittent fasting plans.
- Stops sending notifications once you have achieved your goals.
Cons:
- Other applications have more complex features.
- It doesn’t have many customizable options.
Key Features to Look for in a Free Intermittent Fasting App
When selecting a free fasting app, certain features can make your intermittent fasting journey more successful. Here are the key elements to consider:
- Customizable fasting protocols: Look for apps that offer various fasting schedules like 16:8, 18:6, 5:2, or One Meal A Day (OMAD).
- Intuitive timer functionality: The app should make it easy to start, pause, and track your fasting periods with clear notifications.
- Progress tracking: Visual representations of your fasting history help maintain motivation and identify patterns.
- Food and water logging: The ability to record what you eat during eating windows can help optimize nutrition.
- Educational resources: Articles, guides, and tips about intermittent fasting benefits and best practices.
- Community support: Some apps offer community features where you can connect with other fasters for motivation.
- Integration with health apps: Compatibility with Apple Health or Google Fit creates a more comprehensive health picture.
The best intermittent fasting app free options will include most of these features in their basic version, with additional premium features available through subscription.
How to Choose the Right Free App for Your Fasting Goals
Selecting the perfect free app for intermittent fasting depends on your specific goals and preferences. First, identify your primary objective—whether it’s weight loss, metabolic health improvement, or simply building a consistent fasting habit.
For beginners, apps like Do Fasting offer straightforward guidance and educational resources to help you understand the process. If you’re looking for a comprehensive health approach, Lasta or Zero might be more suitable with their holistic tracking features.
Consider your tech preferences as well. If you value simplicity, Rhythm’s clean interface might appeal to you. If you’re data-driven, Zero’s detailed analytics and insights could be more beneficial.
Also, think about your long-term commitment. Some apps offer more value in their free version than others. If you’re just testing the waters with intermittent fasting, start with a fully-featured free option before considering premium subscriptions.
Finally, read user reviews focusing specifically on your priority features. This real-world feedback can provide insights into how well each app performs for people with similar goals.
Common Challenges and How These Free Apps Help Solve Them
Intermittent fasting comes with several common challenges that can derail your progress. Fortunately, these free fasting apps provide solutions to help you overcome these obstacles:
Challenge: Maintaining consistency
Solution: Apps like Lasta and Zero offer timer features that send reminders when your fasting period begins and ends, helping you stay on schedule.
Challenge: Hunger management
Solution: Soon Fasting provides nutritional guidance on what to eat during your eating windows to reduce hunger during fasting periods.
Challenge: Tracking progress
Solution: All these apps offer visual progress tracking, showing your completed fasts and helping you see improvements over time.
Challenge: Understanding fasting benefits
Solution: Zero and Simple provide educational resources that explain the science behind fasting and what’s happening in your body during different fasting stages.
Challenge: Social pressure and accountability
Solution: Some apps include community features where you can connect with other fasters for support and accountability.
Challenge: Knowing when to eat
Solution: Do Fasting offers clear notifications when it’s time to break your fast and provides suggestions for appropriate foods to eat.
By addressing these common challenges, these intermittent fasting free app options increase your chances of success and help you build sustainable fasting habits.
Which Free Intermittent Fasting App Should You Download Today?
Choosing the right intermittent fasting app can significantly enhance your fasting experience and help you achieve your health goals. After careful evaluation, I recommend Lasta app as the best free intermittent fasting app for both beginners and experienced fasters.
Lasta enhances your weight loss efforts through cognitive behavioral therapy (CBT), while helping you monitor your water intake, eating patterns, physical activity, and more. This comprehensive approach addresses both the physical and psychological aspects of fasting.
The app’s mood log and calorie counter sync effortlessly with Apple Health, providing a complete overview of your health journey. Lasta’s personalized fasting schedules adapt to your unique needs, making it easier to integrate fasting into your lifestyle.
While all the apps on this list offer valuable features in their free versions, Lasta provides the most balanced combination of user-friendliness, customization options, and holistic health tracking. Download one of these free intermittent fasting apps today and take the first step toward a more structured and successful fasting experience.
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