Bium - Fasting Timer & Tracker

Intermittent fasting, made simple.
Bium is a clean, distraction-free fasting timer. Start and end your fast with one tap — 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 — 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 — start and end times are always editable.

• Fasting stage guide
From fat burning through ketosis to autophagy — 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 — 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 — or when the next one starts — 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 — light and simple, with Bium.