Best Null Fasting Apps

249+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated September 2026

Null Fasting is the household name in null fasting, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Null Fasting Apps (September 2026)

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

4.8😊(445K ratings)
FreeIn-App Purchases
Zero: Fasting & Food Tracker screenshot 1
Zero: Fasting & Food Tracker screenshot 2
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
Sunrise - Intermittent Fasting#3

Sunrise - Intermittent Fasting by Arbor Apps LLC

Intermittent Fasting Tracker
Worth Considering
💪 Health & Fitness
4.8😊(9.7K ratings)
FreeAdsIn-App Purchases
Sunrise - Intermittent Fasting screenshot 1
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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
  • 🚀 Effective for weight loss
  • 👍 Motivating and encouraging
  • 🚀 Comprehensive fasting options
  • 👍 Seamless integration with Apple Health

Room to Improve

  • 🐛 Issues with editing/deleting past fasts
  • 🐛 Inconsistent behavior after updates
  • 🐛 Bugs with widgets and live activities
  • 🔋 Ads can be intrusive
  • 🐛 Difficulty customizing fasting times

More Null Fasting apps to explore

FAQ about Null Fasting

What are the best null fasting apps for iPhone?
Null Fasting tops our null fasting apps ranking as of September 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 Zero: Fasting & Food Tracker.
Null Fasting has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ null fasting apps on the iOS App Store as of September 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.