ChronoFast AI
ChronoFast AI: Intelligent Intermittent Fasting & Coach
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ChronoFast AI - ChronoFast AI: Intelligent Intermittent Fasting & Coach

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ChronoFast AI turns fasting from a countdown into coaching. Ask "did I break my fast?" type it, say it, or snap a photo, and the AI analyzes the impact against your exact fast stage. Watch an AI-simulated glucose curve, sync steps & sleep so fasted activity moves you ahead metabolically, and learn every stage with peer-reviewed citations, no bro-science. Fast with buddies, challenges, leaderboards, and Multi 12 Languages support. Free on iOS & Android; Pro unlocks deep AI insights.

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Maker
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Hey Product Hunt! šŸ‘‹ I built ChronoFast AI because every fasting app I tried was just a timer with a paywall. The moment that actually matters is 11 hours in, staring at a coffee, googling "does oat milk break a fast?" ā€” so I built an app that answers exactly that. What makes it different: šŸ¤– "Did I Break My Fast?" ā€” type, speak, or snap a photo of anything you consumed and the AI analyzes its metabolic impact on your current fast stage. šŸ“ˆ Metabolic Wave ā€” an AI-simulated glucose/insulin curve for your fast (clearly labeled educational, not medical readings). āŒš Your activity counts ā€” steps, workouts, and sleep sync in. A fasted run literally moves you ahead metabolically; poor recovery tells the app to ease off nudges. šŸ”¬ Science, cited ā€” every fasting stage links to peer-reviewed sources (NEJM, the 2016 Nobel work on autophagy). No bro-science. šŸ‘„ Not alone at hour 16 ā€” buddies, weekly challenges, live "4 fasting right now" zones, and a shareable weekly recap. I'd genuinely love to know: what's the one thing your current fasting app annoys you with? I'll be here all day. šŸ™

Really like how it checks if something broke your fast just by snapping a photo, that part feels genuinely useful. One thing I'd love is a smart meal planning mode that suggests what to eat during your eating window based on your past glucose responses and goals, so the app helps you recover or stay on track instead of just tracking. Would make the coaching side feel complete.

Maker

Ā Thanks Taha. Glad the "Did I Break My Fast?" photo check is useful. That was the goal an instant, unambiguous answer instead of second-guessing.

On meal planning: agreed, that's the missing half of the coaching loop. Today the app simulates how foods affect your glucose response, but it stops at the eating window. Turning that into proactive "eat this to recover / stay on track" guidance, informed by your goals and the glucose-response model, is a direct next step rather than a new direction. Adding it to the roadmap and will follow up here when it ships.

Appreciate the precise feedback.

Tried it for a couple days and the glucose curve simulation is surprisingly eye-opening, especially when it factors in my step count. Also appreciated that every claim is backed by a real citation instead of vague wellness language.