Track your intermittent fasting journey with science-backed insights. Monitor your progress through different metabolic stages and view your history with a visual heatmap. Offers built-in plans and detailed scientific articles.
5.0(2 ratings)
Free
Best ONE alternatives: apps like ONE:Intermittent Fasting
10+ similar apps compared and reviewed
4.7 avg rating
10 free apps
Updated November 2026
ONE is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to ONE
Morph: Fasting Companion by Neuroclarity Studio LLC
Your AI Fasting CompanionStrong Contender
💪 Health & Fitness
5.0(2 ratings)
FreeIn-App Purchases
This app guides users through intermittent fasting with an AI companion that evolves as they progress. It helps users understand metabolic zones, offers science-backed protocols, and provides personalized coaching. Track key metrics and learn about the benefits of fasting.
InnerFast - Fasting Companion by S Boersma
Track Your Fasting JourneyWorth Considering
💪 Health & Fitness
4.5(4 ratings)
Free
This app provides a visually engaging way to track intermittent and extended fasting journeys. It offers intelligent monitoring of fasting stages, personalized goal setting, and a comprehensive history of your progress. Enjoy a beautifully designed interface with flexible notifications to stay motivated.
