LiteFast

Find your light fasting rhythm

A timer, weekly plan, and on-device coach to help you know how to fast, eat, and stick with it. Data stays on your device by default—no account needed.

Data stays on device · No account needed

Built for everyday rhythm

Simple tools that keep fasting clear—without asking you to hand over your health data.

Timer

Clear fasting timer

From classic to advanced plans, your eating window stays easy to see—with widgets and Live Activities when you need a glance.

Plan

Personalized weekly plan

Adjust your rhythm from goals and feedback, so you spend less time guessing how long to fast today.

Coach

On-device coaching

Review fasting, weight, water, and glucose logs for next-step tips—with on-device inference preferred when available.

Privacy

Privacy first

On-device storage by default. Optional private iCloud sync and Apple Health glucose sharing—only if you turn them on.

LiteFast is a lifestyle and fitness tool, not medical advice. If you are pregnant or breastfeeding, or have diabetes, hypoglycemia, a history of eating disorders, or other conditions, consult a physician before fasting.