Fasty

A simple, private intermittent fasting timer for iOS.

On-Device Only

No accounts, no servers, no tracking. Your data stays on your phone.

Live Activity

Track your fast in real time from the Lock Screen and Dynamic Island.

Multiple Plans

16:8, 18:6, 20:4, OMAD, and custom durations.

8 Languages

English, 简体中文, Español, Deutsch, Français, 日本語, 한국어, Português.