The app tracks daily walking, food and calorie intake, and fasting—including both extended fasts and intermittent fasting (eating windows). It connects movement and eating to the protocol and helps you maintain your planned calorie deficit and timeline.

The fasting timer counts up or down and tracks your fasting state hour by hour. It is built for extended water fasts (e.g. the 60-hour initiation fast) and integrates fasting into your overall protocol view, not for eating windows or casual intermittent fasting only.

Yes. Food and calorie tracking is a core feature. You log what you eat so you can maintain your planned deficit. The app can include AI-assisted logging, but you can always adjust entries manually.

Yes. The app tracks daily walking and connects it to the protocol—both for consistency and for the extra calorie buffer that walking creates, which can support your deficit or allow occasional flexibility.

No. The protocol can be followed with paper, other tools, or memory. The app makes it easier by centralizing fasting, food, and walking in one place and by showing timeline and goal progress, but it is not required to lose weight with the method.

Yes. The web app works on every iOS device — iPhone and iPad included. Open it in Safari and add it to your home screen for an app-like experience. No App Store download required.

Not yet. We built the Android app first. The web app is fully-featured on iOS and covers every part of the protocol — the fasting timer, food logging, walking tracker, and everything else.

No. The web app is the same app. Fasting timer, food logging, walking tracker, weight tracking, motivators — all features work on every platform, including iOS.

Yes — any modern browser works. Your data syncs across all your devices through your account, so you can pick up where you left off no matter what you are on.

Yes — same features, same data, same account. The one difference is push notifications: only the Android app delivers native push right now. Pick whichever fits the device you're on.