Halfday: Fasting Tracker

Halfday is a fasting timer you'll actually keep using. Start a fast in seconds, watch the ring fill, and see what your body is doing at every stage — no quizzes, no coaching, no ads.

FREE FOREVER
The daily loop never moves behind a paywall. That's our pledge, in writing, inside the app.

• Count-up timer with a beautifully crafted progress ring
• Fasting stages marked right on the ring — including ketosis, free
• 16:8, 18:6 and 20:4 presets — pick one or ignore them, you're never nagged
• Forgiving streaks with automatic streak freezes, so one busy day never wipes your progress
• Weight log with a trend graph
• History and stats for your last 30 days
• Light and dark, at home on both

HALFDAY PLUS
When fasting sticks, Plus adds memory and depth:

• Full history and long-term stats, beyond 30 days
• Notes and journaling on every fast — how you felt, what worked
• Custom fasting durations from 12 to 72 hours
• Extended stage details for longer fasts
• Lock the app to light or dark, independent of your system setting
• CSV export — your data leaves freely, any time

Halfday Plus is a yearly subscription with a 7-day free trial, or a monthly option. The price on the paywall is the price you pay — no surprise charges, no fake discounts. Subscriptions renew automatically until cancelled; you can cancel any time in your Google Play subscription settings, and your free features keep working either way.

HONEST BY DESIGN
• No ads, no tracking, no selling your data
• Sign in with Google keeps your fasts, weights and streak safely synced across reinstalls
• Local-first: the timer runs on your device and works offline; sync catches up when you're back

A NOTE ON HEALTH
Fasting isn't for everyone. Talk to your doctor before starting an intermittent fasting routine, especially if you are pregnant, under 18, or managing a medical condition. Halfday tracks time — it doesn't give medical advice.

Questions or feedback? We read everything: [email protected]

HALFDAY PLUS SUBSCRIPTION
• Halfday Plus Annual: a yearly subscription with a 7-day free trial
• Halfday Plus Monthly: a monthly subscription
• Payment is charged to your Google Play account when you confirm the purchase; the annual trial converts to a paid subscription after 7 days unless cancelled
• Subscriptions renew automatically unless cancelled before the end of the current period
• Manage or cancel any time in your Google Play account settings
• Prices are shown in your local currency on the paywall and may vary by region

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