Best Null Fasting Apps

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated August 2026

Null Fasting is the household name in null fasting, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Null Fasting Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Null FastingNull FastingFree4.5★ (2)NoNoAug 2026
2Sunrise - Intermittent FastingSunrise - Intermittent FastingFree4.8★ (9.7K)YesYesAug 2026
3Fasting + Intermittent FastingFasting + Intermittent FastingFree4.8★ (6.8K)NoYesAug 2026
4Fasting - Zero food trackerFasting - Zero food trackerFree2.3★ (3)NoNoAug 2026
5Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesAug 2026
6Fira: Fasting Timer & TrackerFira: Fasting Timer & TrackerFreeNoYesAug 2026
7Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (12K)NoNoAug 2026
8Fasting Tracker AppFasting Tracker AppFree4.7★ (675)NoYesAug 2026

Top Picks for Null Fasting

Null Fasting#1

Null Fasting by YMMV

Fast Smarter, Live Better
Editor's Choice
🔧 Utilities
4.5(2 ratings)
Free
Null Fasting screenshot 1
Null Fasting screenshot 2
Null Fasting screenshot 3
Null Fasting screenshot 4
Null Fasting screenshot 5
Null Fasting screenshot 6

This app helps you track intermittent fasting with flexible protocols, detailed statistics, and motivational tools. It integrates with health platforms and offers personalized goal setting for a healthier lifestyle.

Sunrise - Intermittent Fasting#2

Sunrise - Intermittent Fasting by Arbor Apps LLC

Intermittent Fasting Tracker
Strong Contender
💪 Health & Fitness
4.8😊(9.7K ratings)
FreeAdsIn-App Purchases
Sunrise - Intermittent Fasting screenshot 1
Sunrise - Intermittent Fasting screenshot 2
Sunrise - Intermittent Fasting screenshot 3
Sunrise - Intermittent Fasting screenshot 4
Sunrise - Intermittent Fasting screenshot 5
Sunrise - Intermittent Fasting screenshot 6

This app helps users track intermittent fasting progress, build healthy habits, and stay motivated. It offers a fasting timer, history tracking, and educational content. Supports various fast types and integrates with Apple Health.

What We Love

  • 🚀 Easy to use
  • 👍 Flexible and customizable
  • 🚀 Simple and straightforward
  • 👍 Keeps you accountable

Room to Improve

  • 🐛 Issues with editing/deleting past fasts
  • 🐛 Inconsistent behavior after updates
  • 🐛 Bugs with widgets and live activities
Fasting + Intermittent Fasting#3

Fasting + Intermittent Fasting by Byte Puls d.o.o.

Fasting Tracker - Lose Weight
Worth Considering
💪 Health & Fitness
4.8😊(6.8K ratings)
FreeIn-App Purchases
Fasting + Intermittent Fasting screenshot 1
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Fasting + Intermittent Fasting screenshot 4
Fasting + Intermittent Fasting screenshot 5
Fasting + Intermittent Fasting screenshot 6

This app helps users achieve weight loss and improve metabolic health through intermittent fasting. It offers personalized plans, progress tracking, and coaching without dietary restrictions.

What We Love

  • ⭐ Excellent tracking and visualization
  • 👍 Simple and easy to use
  • 💪 Helps stay motivated and on track
  • 🔍 Detailed information on fasting stages

Room to Improve

  • 🔍 Lack of advanced features (food/exercise logging)
  • 💸 Subscription model not well-received
  • 🔈 Intrusive ads and pop-ups

More Null Fasting apps to explore

4
Fasting - Zero food tracker
Fasting - Zero food tracker
Fasting - Zero food tracker
Simpel & easy fasting tracker
Free

This app helps users track intermittent fasting periods, which involve cycling between eating and fasting. It supports various fasting methods and provides a simple way to monitor eating patterns.

Intermittent fasting trackingSupports daily fastingSupports 24-hour fasting
🌟 Lifestyle
(3)
free
5
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Protein & Calorie Calculator
Free

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.

Intermittent fasting timers and streaksSmart meal logging with photo recognitionPersonalized daily protein target tracking
💪 Health & Fitness
(445K)
freemium
6
Fira: Fasting Timer & Tracker
Fira: Fasting Timer & Tracker
Fira: Fasting Timer & Tracker
Simple, Easy Intermittent Fast
Free
🔍 Reference
(0)
7
Fasting Tracker & Diet App
Fasting Tracker & Diet App
Fasting Tracker & Diet App
Simple Fast Timer 16:8 & 5:2
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.

Track fasting and meal timesChoose from multiple fasting methodsDiscover fasting trends over time
💪 Health & Fitness
(12K)
free
8
Fasting Tracker App
Fasting Tracker App
Fasting Tracker App
Fast & Easy Health Habit
Free

This app helps you optimize intermittent fasting by tracking not only hours fasted but also calories burned and activity levels. It offers a comprehensive guide to various fasting methods and includes healthy recipes for your eating window to support weight loss goals.

Calorie-based fasting trackingActivity and calorie burn monitoring40+ page science-based fasting guide
🍔 Food & Drink
(675)
subscription
9
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Track Calories, Macros, Weight
Free

This app guides users through intermittent fasting to achieve weight loss, improve health, and boost energy. It offers personalized plans, daily coaching, recipes, and tools like a water tracker and weight log. Users can choose from various fasting plans and track their progress towards their health goals.

Personalized fasting plansDaily coaching and motivation100+ recipes for fasting success
💪 Health & Fitness
(145K)
free with in-app purchases
10
Intermittent Fasting. Tracker
Intermittent Fasting. Tracker
Intermittent Fasting. Tracker
Weight loss without diet
Free

This app guides users through intermittent fasting routines to support weight loss and improve overall well-being. It offers customizable plans, progress tracking, and expert health insights to help users achieve their wellness goals.

Intuitive and user-friendly interfaceComprehensive fasting and eating window trackingCustomizable intermittent fasting plans (e.g., 16:8)
💪 Health & Fitness
(130)
free with in-app purchases
11
Fast 16: Intermittent Fasting
Fast 16: Intermittent Fasting
Fast 16: Intermittent Fasting
Weight & Fasting Tracker App
Free

This app helps you track your fasting periods with a built-in timer and helpful reminders. It provides detailed statistics on your fasting habits and offers resources to learn about healthy fasting practices.

Fasting timerFasting remindersDetailed fasting statistics
💪 Health & Fitness
(2)
free with in-app purchases
12
Fasting 168 | Fasting Tracker
Fasting 168 | Fasting Tracker
Fasting 168 | Fasting Tracker
Simple Weight Loss & Tracker
Free
🔧 Utilities
(0)
13
WaveFast - Fasting Tracker
WaveFast - Fasting Tracker
WaveFast - Fasting Tracker
Visual timer, zero sub!
Free
$2.99 | 100% OFF
💪 Health & Fitness
(0)
14
VitaSolace: Fasting tracker
VitaSolace: Fasting tracker
VitaSolace: Fasting tracker
Weight loss & health tracker
Free
💪 Health & Fitness
(0)
15
FastZen: Fasting Routine
FastZen: Fasting Routine
FastZen: Fasting Routine
Intermittent fasting timer
Free
$1.99 | 100% OFF
💪 Health & Fitness
(0)
16
FastLife: Intermittent Fasting
FastLife: Intermittent Fasting
FastLife: Intermittent Fasting
Weight loss. Diet tracker.
Free
💪 Health & Fitness
(0)
17
Empty: Intermittent Fasting
Empty: Intermittent Fasting
Empty: Intermittent Fasting
Fasting Coach Women Tracker
Free

This app helps users achieve weight loss goals and improve metabolic health through intermittent fasting. It offers personalized fasting plans, progress tracking, and educational content to support a healthy lifestyle.

Fasting timer with progress monitoringCustomizable fasting plansWeight and water intake tracking
💪 Health & Fitness
(4)
free with in-app purchases
18
Zyna: Intermittent Fasting
Zyna: Intermittent Fasting
Zyna: Intermittent Fasting
Weight Loss Tracker & Timer
Free
💪 Health & Fitness
(0)
19
PEP: Fasting - daily tracker
PEP: Fasting - daily tracker
PEP: Fasting - daily tracker
Healthy and happy life
Free

This app helps you lose weight and improve your well-being through personalized intermittent fasting plans. It offers adaptive fasting schedules, goal setting, and progress tracking without restrictive diets or calorie counting. Achieve visible results in as little as a week.

Adaptive fasting plansPersonalized goal settingFasting timer
💪 Health & Fitness
(0)
free with in-app purchases
20
Intermittent Fasting Track
Intermittent Fasting Track
Intermittent Fasting Track
Fasting Timer & Weight Loss
Free
💪 Health & Fitness
(0)

FAQ about Null Fasting

What are the best null fasting apps for iPhone?
Null Fasting tops our null fasting apps ranking as of August 2026, with a 4.5-star average from 2 App Store ratings, and it's free to download.
Yes — 20 of the top null fasting apps we rank are free to download, including Null Fasting and Sunrise - Intermittent Fasting.
Null Fasting has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ null fasting apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Null supports popular fasting methods like 16:8, 18:6, 20:4, and OMAD. You can also create custom fasting durations and schedule recurring fasts.
Yes, Null provides comprehensive statistics on your fasting history, including completion rates, average durations, and consistency scores. You can view data weekly, monthly, quarterly, or yearly.