Fast vs Fastly

The simplest way to track your fasting journey. Start, track, and complete your fasts with a beautiful, intuitive interface. Whether you're new to intermittent fasting or maintaining a daily routine, Fast keeps you on track without the complexity. Effortless Tracking, begin your fast with one tap. Watch your progress in real-time as you move through fasting stages, from the initial hours to deep ketosis. Clear visual indicators keep you motivated every step of the way. Your Schedule, Your Way. Choose popular protocols like 16:8, 18:6, or 20:4, or create a custom fasting window that fits your lifestyle. Fast adapts to you—flexible and always in your control. Stay Motivated, review your fasting history, track your streaks, and celebrate milestones. Build a sustainable practice and see the results of your commitment over time. Beautifully Simple, no cluttered screens. No overwhelming data. Just the information you need, presented elegantly. Download Fast and start your transformation today. Privacy Policy - https://enginezero.tech/app-privacy-policy/ Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Intermittent fasting, without the clutter. Fastly is a clean, private fasting timer built for people who want to stick to 16:8, OMAD, or any plan they choose — with beautiful widgets, real-time zone tracking, and zero ads or accounts. Start a fast in one tap. Watch your body move through five fasting zones — from catabolism to deep autophagy. Build streaks, earn badges, and see your progress in charts that actually make sense. FASTING, YOUR WAY • Pick from 16:8, 18:6, 20:4, OMAD, 5:2, or build a custom plan • Live circular timer with elapsed, remaining, and target • Edit past fasts or log a forgotten one manually • End a fast by voice with the Siri shortcut SEE YOUR BODY'S RESPONSE • Five fasting zones: Anabolic, Catabolic, Fat Burning, Ketosis, Autophagy • Clear guide explains what's happening at each stage • Gentle notifications when you enter a new zone STAY MOTIVATED • Streaks and weekly summaries • 20 unlockable badges for consistency and milestones • Calendar heatmap shows every fast at a glance • Full history with notes on each session TRACK YOUR WEIGHT • Log in kg or lbs in one tap • Visualize trends over weeks, months, or years • Combined timeline of fasts and weight changes WIDGETS + LIVE ACTIVITIES • Home Screen widgets in Small, Medium, and Lock Screen sizes • Live Activity keeps your fast visible on the Lock Screen and Dynamic Island • Real-time countdown and zone status — no need to open the app YOUR DATA STAYS YOURS • Optional iCloud sync across iPhone and iPad • No account, no ads, no tracking • CSV export anytime (Pro) FASTLY PRO Unlock the full experience: • Unlimited history (free tier shows last 30 days) • Widgets • Trend, Eating Window, Fasting Pattern, and Weight charts • 30-day and yearly insights • CSV export of all your data PRIVACY FIRST Your data lives on your device (and optionally your private iCloud). We don't collect, sell, or share anything. Ever.