Updated Aug 5, 2026 Ā· v2.2.0
Free intermittent fasting timer. One-tap start, streaks & stages. No sign-up.
Intermittent fasting, made simple. Bium is a clean, distraction-free fasting timer. Start and end your fast with one tap ā that's it. 100% FREE Every feature is free. No subscription, no paywall, no sign-up. It's not about starving. It's about emptying. "Bium" means "emptying" in Korean, and it's your companion for every fasting hour. WHY BIUM ⢠Intermittent fasting timer 16:8, 12:12, 18:6, 20:4 ā pick your method and the timer shows progress and remaining time in real time. ⢠One-tap start & end No rigid schedules. Start when you're ready. Started an hour ago? Set the exact time ā start and end times are always editable. ⢠Fasting stage guide From fat burning through ketosis to autophagy ā see what's happening in your body hour by hour. Fasting is easier when you know fat burning has kicked in. ⢠Streaks that keep you going Keep the flame alive. Your calendar shows every fast, and your streak grows day by day. ⢠Clear stats at a glance Total hours, average, success rate, and how you felt ā everything on one screen. ⢠Smart reminders Bium learns your rhythm: a heads-up one hour before your next recommended fast, and a cheer when you hit your goal. ⢠Home screen widget See how long until your fast ends ā or when the next one starts ā without opening the app. ⢠Private by design No account, no login, works offline. Your data stays on your device, with file backup and restore. BENEFITS OF INTERMITTENT FASTING ⢠Fat burning and weight loss ⢠Better insulin sensitivity and blood sugar control ⢠Autophagy (cellular renewal) activation ⢠Improved metabolism Note: If you are pregnant, underage, or have a medical condition, consult a professional before fasting. Start your first fast tonight ā light and simple, with Bium.
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