FastZen: Intermittent Fasting

Cultivate mindful discipline and optimize cellular longevity with FastZen — an elegant, science-backed intermittent fasting tracker designed without distraction. FastZen pairs precise circadian timekeeping with an animated Living Metabolic Bio-Engine, visualizing your physiological transition from digestion to fat burning and cellular autophagy in real time. KEY FEATURES • Living Metabolic Bio-Engine Witness your cellular energetics transition across 5 physiological horizons: 1. Digestion & Blood Sugar Normalization (0h – 4h): Post-meal glucose stabilization. 2. Glycogen Depletion & Insulin Drop (4h – 8h): Digestive rest as liver reserves are tapped. 3. Metabolic Switch & Fat Oxidation (8h – 12h): Fuel crossover from carbohydrates to lipid burning. 4. Nutritional Ketosis (12h – 16h): Elevated ketones and primary stored body-fat burn (up to 90%). 5. Deep Autophagy & Cellular Renewal (16h – 24h+): Intracellular lysosomal clean-up and repair. • Precision Fasting Protocols Choose the circadian rhythm that fits your lifestyle: - 16:8 LeanGains: The gold standard for daily metabolic health and sustainable fat loss. - 18:6 Intermediate: Extended fat oxidation and afternoon feeding window. - 20:4 Warrior: Deep evening satiety with amplified autophagy priming. - 14:10 Gentle: Gradual introduction for beginners establishing a daily rhythm. - 12:12 Circadian Balance: Natural sunset-to-sunrise biological rest. - Custom Protocol: Fully adjustable targets for experienced practitioners. • Dual-Fuel Partitioning Gauges Understand your exact biological fuel balance (Carbohydrates vs. Stored Body Fat) in every zone, accompanied by evidence-based hydration advice and biomarker expectations. • Tactile & Acoustic Mindfulness Gentle, low-amplitude haptic pulses acknowledge milestones, complemented by an optional meditative Zen bowl gong when your fasting goal is reached. • Warm Day & Evening Palette Experience the soothing Claude Warm Cream aesthetic during daylight hours and seamlessly transition to low-eyestrain Warm Charcoal at night. No harsh blue light or glowing neon. • Complete Data Sovereignty & Local Privacy FastZen operates entirely on your device: - 100% Local Storage: Your fasting history never leaves your phone. - Zero Cloud Tracking: No accounts, no passwords, no servers. - Zero Telemetry: No third-party analytics or advertising SDKs. - Portable Exports: 1-tap backup and export to CSV or JSON anytime. MEDICAL SAFETY ADVISORY FastZen is designed for healthy adults seeking a mindful lifestyle companion. Fasting is NOT recommended for: - Individuals under 18 years of age - Women who are pregnant or nursing - Individuals with a current or prior history of eating disorders - Individuals with Type 1 Diabetes or those taking prescribed hypoglycemic medications - Individuals who are clinically underweight (BMI < 18.5) Always consult your healthcare physician before initiating an extended fasting regimen.

Initial release of FastZen: Mindful intermittent fasting with living metabolic bio-engine.