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Settings and Preferences

Updated February 6, 2026

Settings exist to make the product match your constraints, so the plan is sustainable rather than fragile.

Appearance

Fuel supports light and dark appearance modes. Pick the mode that keeps the app usable during the times you log most often, since friction is the enemy of consistent tracking.

Units and localization

Use units that match how you think and how your food is labeled. The best unit system is the one that produces consistent logging without constant conversion.

Coaching preferences

Coaching becomes more useful when it knows your constraints.

Set preferences that influence the plan you want, such as typical meal timing, training schedule, and the level of strictness you can follow without rebound behavior.

Notifications and reminders

Use reminders only for the events that are repeatedly missed, such as weigh ins or late day logging. Too many reminders produce alert fatigue and stop being useful.

Use Smart Notifications for a precise breakdown of daily and weekly review notifications, smart reminders, smart timing, reminder windows, and quiet hours.

On-device AI

Fuel can generate small wording variants for some notifications so repeated reminders do not look identical across days.

Use Notification Variations to understand eligibility, language support, and what changes and what does not.

Today view

Today is configurable.

Use Today View Personalization to tune calendar rings, the calories card display, which nutrition cards appear, and whether a manual Log Workout action is shown.

When settings do not fix the problem

If a view is wrong, the cause is often missing data, not a display option. Confirm Apple Health permissions first, then use troubleshooting steps.