Intermittent fasting, finally legible

Know exactly where your body is.

Wick tracks every fast against your own usual and tells you — in one colored word — when you're burning fat, in ketosis, or deep in autophagy.

Free to start · iOS & Android

2.4M+ fasts tracked
4.9★ App Store rating
Color is the verdict

One colored word tells you where you are — before you read a single number.

Each stage of your fast leads with its own hue, so the read is instant. The numbers are there when you want them — never in the way.

Fed 0–4h
Catabolic 4–12h
Fat burning 12–16h
Ketosis 16h+
Autophagy 18h+
Everything in its place

A complete fasting companion, calmly designed.

Live fasting timer

A ring that fills hour by hour, with the current stage named in plain words and the next one always in view.

Stages, explained

Watch each stage arrive — fed, catabolic, fat burning, ketosis, autophagy — and learn what your body is doing in each.

Wellbeing score

Your fast, sleep and movement fused into one daily read, with a clear breakdown of what is driving it.

History & streaks

A calendar that turns your streak into a chain worth keeping, plus a full year of fasts at a glance.

Your Coach

Bite-sized insights drawn from your own data, surfaced at the right moment — and as gentle, well-timed reminders.

Widgets & Live Activities

Your countdown and stage on the Lock Screen, Home Screen and Dynamic Island — never more than a glance away.

Never open the app

Your fast lives on the Lock Screen.

Widgets, Live Activities and the Dynamic Island keep your countdown and current stage one glance away — on iOS and Android alike.

  • Live Activities count down on your Lock Screen and Dynamic Island.
  • Home Screen widgets in small, medium and large — fasting or not.
  • A glanceable streak that quietly keeps you honest.
The whole picture

Fasting, sleep and movement — one daily read.

Wick fuses your fast with sleep and activity into a single Wellbeing score, then shows you what's driving it — and how the three pull together.

Wellbeing Primed
Fasting
Sleep
Activity

Your fast, sleep and movement are pulling the same direction today.

Light your first fast.

Download Wick free and watch your next fast become legible — hour by hour.