Intermittent is the household name in intermittent fasting tracker, 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 Intermittent Fasting Tracker Apps (September 2026)
This app tracks your fasting progress by showing real-time biological phases like ketosis and autophagy. It provides science-backed explanations for each stage and supports various fasting protocols without requiring an account or subscription.
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.
This app helps users achieve sustainable weight loss and health goals through personalized intermittent fasting plans and an AI-powered calorie counter. It offers features like food scanning, hydration tracking, and detailed progress monitoring. Users can access science-based insights and healthy recipes to support their journey.
What are the best intermittent fasting tracker apps for iPhone?
Intermittent - Fasting Tracker tops our intermittent fasting tracker apps ranking as of September 2026, with a 5.0-star average from 32 App Store ratings, and it's free to download.
Are there free intermittent fasting tracker apps for iPhone?
Yes — 20 of the top intermittent fasting tracker apps we rank are free to download, including Intermittent - Fasting Tracker and Intermittent Fasting Tracker:.
Does Intermittent - Fasting Tracker have ads or in-app purchases?
Intermittent - Fasting Tracker has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
How many intermittent fasting tracker apps are on the App Store?
We track 249+ intermittent fasting tracker apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What biological phases does Intermittent track?
Intermittent tracks six biological phases in real time: Fed, Early Fasting, Lipolysis, Ketosis, Autophagy, and Deep Fast. Each phase links to a free science article with primary sources cited.
What fasting protocols does Intermittent support?
Intermittent supports a wide range of fasting protocols, including 12:12, 14:10, 16:8, 18:6, 20:4, OMAD (One Meal A Day), 36 hour, 48 hour, and 72 hour fasts.