FastFlo is a simple, privacy-first fasting companion for people who want clarity, not clutter. Track intermittent fasting, water, weight, BMI and habits in one clean timeline. See live fasting stages and gentle AI insights to understand hunger, energy and recovery. Scan food, estimate calories, set smart reminders and build streaks that actually stick. Designed for daily use and made to help you stay consistent, mindful and in control of your health journey.

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I built this app because I’m genuinely geeky about the metabolic changes that happen in the body during fasting. I wanted to clearly see what’s actually happening inside my body at every stage of a fast — not just a timer, but real context. Knowing how many calories are being burned per minute while I’m in a fasted state also helps me stay mindful about what I eat later. That awareness alone changed my relationship with food. Most fasting apps completely miss the nutrition side. In real life, especially if you’re serious about fasting, you’re constantly moving between fasting and feeding states. You need to track both — together. That’s why FastFlo combines fasting insights with calorie and food tracking in one place. I hope you enjoy using it as much as I enjoyed building it.

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FastFlo

Fasting Tracker and AI Food Scanner

Fasting Tracker and AI Food Scanner