YS S

One state.One reason.One action.

YOSS turns your day into a single score from 0 to 100 — then names the one balance holding it back, and one thing to do about it. Works on iPhone alone.

Coming to the App Store
How YOSS works

No account · Data stays on device

Four balances

YOSS Score combines four YOSS Core balances

Higher Calm is better — it is load resilience, not a stress level.

Recovery

30%

Water

25%

Energy

25%

Calm

20%

What YOSS notices

YOSS Pattern observations move through four stages

Observations that did not hold are shown too. An app that only shows its hits is not telling you anything.

Testing

A check is under way.

Forming

Evidence is still gathering.

Confirmed

The observation held.

Not supported

The check did not hold — still shown.

Data

On your device

YOSS runs on iPhone; a watch, ring, or band is not required.

With permission, YOSS may read six Apple Health types on your device only: step count, heart rate variability, resting heart rate, body mass, sleep analysis, and date of birth. YOSS does not write to Apple Health.

Your records stay on your device. There is no account to sign into.

When you change phones, history does not move by itself — export your data first, then import it on the new device.

Details: Privacy Policy.

What you get, and what Pro adds

Included free

YOSS Score, YOSS State, and one action each day on YOSS Today

Four YOSS Core balances

Your usual level

The observation ladder in YOSS Pattern

Logging the day and reviewing history

Export my data

Pro adds

PRO

6–24h YOSS Score outlook

Weekly patterns and consistency

YOSS Life Book — curated story of memorable life shifts

YOSS Choice actions for every YOSS Core pillar

Personal patterns on YOSS Core

Optional schedule auto-log for meal, workout, steps, and sleep (off by default)

Prices are regional and shown in the App Store.

Get YOSS

Now you see it

Coming to the App Store

YOSS is not a medical device and does not provide diagnosis, treatment, or medical advice. Insights and suggestions are informational and intended for general lifestyle awareness only.