Best Free Fasting Calculator Apps

4.8(26 ratings)

Free

Fasting Center: Fast Tracker screenshot 1

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Fasting Center: Fast Tracker screenshot 6

Track intermittent and extended fasting with a visual timer and detailed insights into your body's stages. Log various health metrics, view patterns, and utilize helpful calculators for weight and calorie projections. Integrates with Apple Health and offers extensive language support.

Zero: Fasting & Food Tracker by Zero Longevity Science, Inc.

Track Diet, Protein & Calorie

Strong Contender

4.8😊(445K ratings)

FreeIn-App Purchases

Zero: Fasting & Food Tracker screenshot 1

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Zero: Fasting & Food Tracker screenshot 3

Zero: Fasting & Food Tracker screenshot 4

Zero: Fasting & Food Tracker screenshot 5

Zero: Fasting & Food Tracker screenshot 6

This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

What We Love

🚀 Easy to use
📊 Helpful tracking and data
💡 Informative learning resources
🔍 Detailed fasting information
🤝 Sense of community
🎉 Motivating badges and challenges

Room to Improve

💰 Expensive premium subscription
🔒 Forced account creation
🙄 Intrusive ads and upsells
🤔 Inconsistent or confusing UI changes
🐛 Syncing and login issues
🙅‍♀️ Lack of free features

Fasting Tracker & Diet App by Hendrik Folkerts

Simple Fast Timer 16:8 & 5:2

Worth Considering

FastEasy: Intermittent Fasting

4.6😊(12K ratings)

Free

Easily manage your intermittent fasting schedule with this simple timer. Track your fasting and meal times, explore various fasting methods, and discover trends in your progress. Maintain a healthy lifestyle with a user-friendly interface.

What We Love

🚀 Great app
👍 Simple and easy to use
💡 Helpful for tracking fasting
🚀 Effective for weight loss
👍 No subscription or ads

Room to Improve

🐛 Cannot edit start/stop times
🐛 Inaccurate fasting history tracking
🐛 Continues running timer after fast ends
💡 Lack of fasting history/calendar view

More Free Fasting Calculator apps to explore

Simple Weight Loss & Tracker

Customizable fasting plansFasting timer and remindersWater intake tracker

This app guides users through intermittent fasting to achieve weight loss and improve health. It offers customizable fasting plans, a timer, water tracking, and personalized recipes. Track your progress and gain insights into your body's changes.

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Fasting Tracker by Numify

Intermittent Fasting Timer App

Intermittent fasting guidanceWeight loss without restrictive dietsOMAD and 16/8 timer options

This app guides users through intermittent fasting for weight loss and improved health. It offers simple tracking, personalized plans, and smart notifications to help establish healthy habits without restrictive diets.

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Intermittent Fasting Tracker:

Simple 16:8 Fast Timer

Interactive WidgetsNotificationsStreaks & Badges

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

(52K)

Fastic Weight Loss & Fasting

Protein, Tracker, Nutrition

Personalized fasting and nutrition plansProtein fasting for muscle maintenanceIntermittent fasting for fat burning

This app guides users through personalized intermittent fasting and nutrition plans to achieve sustainable weight loss. It offers features like a food scanner, progress tracking, and a community for support, helping users burn fat and improve overall health.

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Fastin: Intermittent Fasting

Simple Weight Loss Tracker App

Personalized fasting plansFood, weight, water, sleep, and activity trackingFasting and nutrition courses

This app guides you through intermittent fasting for weight loss and improved health. It offers personalized plans, tracking tools for food, weight, water, sleep, and activity, along with educational courses on fasting and nutrition. Visualize your progress with detailed statistics to stay motivated on your journey.

Simple Fasting Calculator

(10K)

subscription

Intermittent Fasting and Diet.

Eating Timer & Weight Traсker

Fasting timer with tipsAdvanced fasting statisticsCustomized fasting plans

This app guides you on a journey to a healthier lifestyle by improving your metabolism and aiding in weight loss. It offers tools to track your eating habits, monitor weight, and access informative articles. A personal fasting consultant is available in the paid version.

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Intermittent fasting tracker

Simple Fasting Tracker

Quick fast loggingCustomizable fasting schedulesReal-time progress tracking

Easily track your intermittent fasting journey with personalized schedules, goal setting, and progress monitoring. Syncs with Apple Watch and HealthKit for seamless data management. Offers detailed analytics to optimize your fasting.

Fasting Made Easy & Effective

Personalized fasting plansExpert health guidanceProgress tracking tools

This app helps users achieve health and weight loss goals through personalized fasting plans. It offers expert guidance, interactive tools, community support, and detailed analytics to make fasting simple and effective.

(63)

Fasting app simple Custom

Just Fasting

Customizable fast durations (hours and days)One-tap start for common fastsVisual countdown and progress arc

This app helps you track your fasting periods with a simple, uncluttered interface. Easily start custom fasts of varying lengths and monitor your progress with detailed statistics. It's designed to be unobtrusive and straightforward for your intermittent fasting journey.

Fastify - Fasting Weight Loss

(1)

free

Intermittent fasting timer

Fast Timer & Bible Verses

Daniel Fast Calculator

Fasting calculator with custom start timeSelectable fast durationsLive countdown timer

Plan, track, and complete your fasts with a simple timer and daily Bible verses. Choose your fast duration and receive reminders to stay focused on your spiritual journey.

(1)

Better Fasting: Simple Tracker

Intermittent Fasting,16:8,OMAD

Customizable fasting timersSupport for multiple fasting protocols (OMAD, 16:8, etc.)Streak tracking for daily goals

This app helps you track your intermittent fasting journey with customizable timers and progress monitoring. It offers various fasting protocols and helps you maintain streaks and analyze your fasting habits over time.

(1)

Fasting interval 16:8

Intermittent fasting

Intermittent fasting trackingFasting start time inputFasting interval end notification

This app helps you track your intermittent fasting schedule. Simply input your fasting start time, and it will monitor your progress and notify you when your fasting interval concludes. It's designed to support your intermittent fasting journey.

Simple Fasting app - FastTimer

free

Calorie tracker & Food tracker

Calculator : personalized Calc

Fast personalized Calculator

Simple and clean interfaceScientific calculator functionsPercentage calculator tools

A fast, clean, and easy-to-use calculator app offering both basic and advanced scientific functions. It features a minimal design, calculation history, and supports dark and light modes for a comfortable daily calculation experience.

🔧 Utilities

(2)

ad-supported

Simple Fast – Fasting Tracker

BMI Weight Log·Streak Tracker