Your Baseline

A baseline is a way to compare your records with patterns in your own past. HRV varies greatly between people, so changes within the same person under reasonably similar conditions can sometimes be more useful than another person’s value or a universal cutoff.

Feelmo's Balance display uses proprietary on-device processing to summarize HRV-derived information available through Apple Watch / HealthKit and patterns in your own past. Detailed processing, baseline, and display rules are not public.

Why compare with yourself instead of other people?

HRV differs with age and between individuals. It is also affected by breathing, posture, sleep, exercise, alcohol, medication, health, time of day, and measurement method. A simple comparison with another person or device can therefore be misleading.

Within-person comparison also has limits. Different conditions can change a value; being within a usual range does not guarantee health, and being outside it does not necessarily mean illness. See HRV by age and sex for more about variation between people.

What does “Learning” mean?

The app may show “Learning.” This is an in-product state, not a medical test or an AI diagnostic process. Feelmo does not publish its required record count, update conditions, or decision method.

• Leaving the state does not mean that medical accuracy has been established.
• Remaining in the state does not indicate poor health.
• If a record is missing, continue on another convenient day.

How should I use my past pattern as context?

Feelmo uses patterns in your own past as context for a proprietary display, but the comparison method and visual rules are not public. It is not a statistical confidence interval or medical normal range, and a display change alone cannot establish your health.

A safer reading order is:

1. Check your sleep, actual experience, and symptoms first.
2. Consider differences in timing, fit, and other measurement conditions.
3. Look across several days instead of concluding from one.
4. Use an optional note for events you want to remember.

Do the characters show my condition or emotion?

The six companions are Feelmo product characters. They are not a mood you entered or an AI determination of emotion, fatigue, stress, or recovery. Character-display rules are not public.

Is it okay to miss a day?

Forgetting Apple Watch or having no usable record does not make your earlier history meaningless. Continue when it is convenient.

The optical wrist sensor is affected by movement, fit, and other conditions. A missing display can have several causes, and its presence or absence cannot establish your health status. See When Balance does not appear if you need help.

What should I remember when reviewing longer trends?

Long-term views and habit association patterns can help you review your own records. Changes appearing together do not prove causation. The Condition Forecast is not a medical prediction of how you will feel tomorrow.