16:8
16 hours fasting, 8-hour eating window. The most common plan for beginners.
DayfastIntermittent fasting app
Dayfast — intermittent fasting tracking, made easy
Dayfast is the mobile app that makes intermittent fasting regular, motivating, and enjoyable. With 16:8 and 18:6 plans, track your fast, get reminders, and see your progress.
While other apps make you count calories, Dayfast tracks your rhythm — simple, beautiful, and sustainable.
What is intermittent fasting?
Intermittent fasting is an eating pattern where you eat during set hours and close your eating window the rest of the time. The focus is less on what you eat and more on when you eat. Dayfast helps you follow that rhythm with timers, plans, and reminders.
18:6
18 hours fasting, 6-hour eating window. A step further for people with an established routine.
Custom plan
Set your own start and end times; adjust whenever you need.
Why Dayfast?
- 01Effortless start
Pick your plan and start your first fast with one tap.
- 02Smart reminders
Never miss your fasting start or end.
- 03Visual progress
Rings, streaks, and charts make motivation concrete.
- 04Holistic tracking
Fasting, nutrition notes, and activity under one roof.
- 05Simple and elegant
No clutter — only what you need.
Dayfast features
Live fasting tracker
Start a 16:8, 18:6, or custom plan with one tap. Remaining time flows on the signature ring.
Smart reminders
Don’t miss start or end times. Gentle notifications protect your rhythm — support, not pressure.
Progress and streaks
See completed fasts, daily and weekly summaries, and streaks clearly.
Nutrition and activity notes
Log meals and movement alongside your fasting schedule for a fuller picture.
How to start with Dayfast
- Download the app from the App Store or Google Play.
- Choose a plan that fits you: 16:8, 18:6, or custom hours.
- Start your first fast with one tap and watch the live countdown.
- Turn on reminders so we’re with you at start and end.
- Strengthen your rhythm by seeing progress and streaks.
Gentle tips for intermittent fasting
- Drink plenty of water; plain tea and coffee fit most plans.
- Prefer balanced, nourishing meals in your eating window.
- Listen to your body; ease the fast if you feel unwell.
- Start small; shorter windows make the first days easier.
- Sleep and stress are part of the rhythm — health is whole.
Frequently asked questions
What is Dayfast?
Dayfast is a mobile app that makes intermittent fasting easier to track. You choose a plan, follow a live countdown, get reminders, and see your progress.
Which intermittent fasting plans does Dayfast support?
Popular plans like 16:8 and 18:6 come ready to use. You can also set custom start and end times for a personal plan.
What is 16:8 intermittent fasting?
16:8 means fasting for 16 hours of the day and eating within an 8-hour window. It is the most common plan for beginners.
What is 18:6 intermittent fasting?
18:6 means 18 hours of fasting and a 6-hour eating window. It is a step beyond 16:8 for people with a settled routine.
Is Dayfast free?
You can download Dayfast from the App Store or Google Play and start with core fasting tracking. Check the store listing for current pricing.
What if I miss my fasting window?
That’s okay. Dayfast doesn’t judge you — continue where you left off and update your plan anytime.
How do Dayfast reminders work?
You get gentle notifications at fasting start and end so busy days don’t break your rhythm. Manage preferences in settings.
Is intermittent fasting right for everyone?
No. Intermittent fasting is not suitable for everyone. Dayfast content is not medical advice. Talk to a healthcare professional before starting — especially if you are pregnant, breastfeeding, have diabetes, a history of eating disorders, or take regular medication.
Product film transcript
The scroll film on this page is the Dayfast product story. The spoken/on-screen beats match the copy below.
Read the film transcript
- Live fasting tracker: Start a 16:8, 18:6, or custom plan with one tap. Remaining time flows on the signature ring.
- Smart reminders: Don’t miss start or end times. Gentle notifications protect your rhythm — support, not pressure.
- Progress and streaks: See completed fasts, daily and weekly summaries, and streaks clearly.
- Nutrition and activity notes: Log meals and movement alongside your fasting schedule for a fuller picture.
Write to us
Questions about the app or your window?
Send a note — we reply by email. For account or data requests, the same form reaches ICI Tech.
Download Dayfast, build your rhythm
Leave the fasting clock to us; you focus on your goal. Start today with Dayfast on the App Store and Google Play.
Health notice: Dayfast and the content on this page are for general information and tracking only; they are not medical advice, diagnosis, or treatment. Intermittent fasting is not suitable for everyone. Consult a doctor or healthcare professional before starting a new eating pattern. It may not be appropriate for people who are pregnant or breastfeeding, children and adolescents, people with diabetes or blood-sugar issues, a history of eating disorders, or those on certain medications.