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Offset creates a personal sleep, light and caffeine plan around your flights and usual sleep pattern. It covers preparation, time in flight and adjustment after arrival.

Yes. Offset keeps your key profile, journey and active plan data on your iPhone. You can read a saved plan without a connection. Flight search, account recovery, purchase updates and fresh flight checks need the network, and any offline changes sync when service returns.

Calendar access is optional. Offset reads upcoming events on your device to suggest possible flights, which you must confirm. You can instead enter a flight yourself and can remove access in iOS Settings.

Open Offset and refresh the journey. Pro can check eligible flights in the background when available. Always confirm operational details with your airline because third-party flight data may be late, incomplete or wrong.

No. Offset is a general travel planning tool, not medical advice or a treatment. Do not follow guidance when it would be unsafe, and ask a doctor or pharmacist whether caffeine, melatonin or sleep changes are suitable for you.

The first eligible Journey includes complimentary Pro delivery without an auto-renewing trial. Paid Pro is available through weekly and annual App Store subscriptions, which renew until cancelled. Manage them in iOS Settings under your Apple Account and Subscriptions.

Open Offset's Profile or paywall and choose Restore Purchases. Sign in with Apple or Google as well if you want to recover your saved Offset journeys and profile on another device.

Open Profile, choose Delete Offset data, then confirm Delete all data. This permanently removes the user and associated Offset-owned data. Deleting Offset data does not cancel an Apple subscription.