Simple Fasting

16:8, 18:6, OMAD… tired of doing the math every time to know how many hours into your fast you are? Simple Fasting is a free intermittent fasting timer with no sign-up — pick a plan, tap start, and watch your progress on a custom circular ring while your fasting history and weight trend are tracked for you.

⏱️ Preset fasting plans

Choose from 16:8 / 18:6 / 20:4 / OMAD (23:1) / Custom and start right away. Forgot to log your start time? You can edit it later.

🔵 Circular progress ring

See elapsed time, time remaining, and progress at a glance on a smoothly animated ring, along with body-response stage milestones.

🔔 Stage reminders

Get local notifications for when to start fasting, when you hit your goal, and when you reach each stage — toggle each reminder type on or off.

📊 History & stats

Review completed sessions as a list, a weekly bar chart, and a monthly heatmap. Log your weight alongside it to see a line chart of your trend.

📱 Home screen widget

Check your current fasting elapsed/remaining time and progress right from your home screen — no need to open the app.

🌏 Korean / English support

Pick your preferred language right in Settings.

🔒 Privacy-friendly

No sign-up or login needed. All fasting and weight records stay on your device and are never sent to any server.

Note: The fasting-stage information shown in the app is general reference information, not medical advice.

No sign-up, no subscription — start today with Simple Fasting.