01
Score and four balances
A 0–100 estimate with recovery, energy, water and calm underneath. Confidence shows how much information supports the result.
Available on the web and in Telegram
One state.One reason.One action.
Understand how your day is going. YOSS turns your sleep, water, activity and wellbeing entries into a clear picture, with a useful next step.
Start without an accountApple & Android — Coming soon
Example
01 / TodayManual entries
YOSS SCORE
78OUT OF 100
Screen example · illustrative data
A steady rhythm.
Sleep is an important part of today’s picture.
YOUR NEXT STEPAdd context
Open YOSSWaterCoffeeSleepCheck-inMore
TodayHistoryPatternsLife BookRoutineProfile
No account needed to start locallyRU / EN / ES / TR / PT / JA / KK / UZLight and dark themes
A clearer view of your day
From quick entries
to your own picture.
Your state now, your history over time, and small actions supported by your entries.
02
A journal that stays simple
Drinks, overnight sleep and naps, meals, activity, steps, tension and body states. Browse your entries and make corrections.
03
One next step
YOSS explains what affects your state and suggests an action when there is enough information. The choice stays yours.
04
Patterns and changes
Explore your usual level, connections and changes. Personal insights and forecasts become available as your history grows.
05
Life Book
Keep meaningful moments apart from daily logs, revisit them and build a monthly review.
06
Routines and reminders
Choose the Score range for alerts, quiet hours and notification pauses. Background notifications require browser permission and a compatible device.
Getting started
A few entries.
A little more clarity.
Open YOSS
Start in your browser without an account, or launch the Mini App from the Telegram bot.
Add what you know
Sleep, water, steps or how you feel. YOSS uses the entries you actually record.
Look at your day
Explore your Score, its reasons and a next step. To move your history between devices, sign in with Telegram and sync from your account.
YOSS in Telegram
Record it now.
See it in the app.
The @yossapp bot opens the Mini App, helps you sign in on the web and accepts quick commands. Bot entries join your shared history after you sync.
Open the botSign in with Telegram
Choose Telegram in your account, compare the code and confirm in the bot. Then return to your original browser tab.
YOSS@yossapp
BOT/water 250250 ml of water/sleep 7.57.5 hours of overnight sleep/stress 3Tension: 3 out of 10/steps 50005,000 steps/help — commands · /web — open the website
Open YOSSYour entries
Start locally.
Continue with your profile.
Local mode
Without signing in, entries stay in this browser. After the first load and successful app caching, local entries are available offline.
Sync when you choose
Sign in with Telegram to sync your history and cloud backups. Use the same account for bot entries and other devices.
Export and transfer
Save a JSON backup, import compatible YOSS data or an Apple Health XML export.
Where to use YOSS
Already within reach.
Open the web app or Telegram today. Dedicated Apple and Android apps are on the way.
Web
Open on a computer or phone. Add it to your home screen in a supported browser.
Open the web appTelegram
The Mini App, quick commands and confirmation for browser sign-in.
Open @yossappApple
An app for Apple devices. The release date will be announced separately.
Coming soonAndroid
An app for Android. The release date will be announced separately.
Coming soonBefore your first step
A few useful answers.
Do I need an account?
No account is needed to start locally. Telegram sign-in enables cloud history and sync.
Is it on the App Store or Google Play?
The web app and Telegram Mini App are available now. Dedicated Apple and Android apps are marked Coming soon.
How do notifications work?
Enable them in YOSS settings and grant browser permission. Background delivery depends on the browser and device; iPhone Web Push requires adding the web app to the Home Screen. Availability inside Telegram Web may differ.
What do the names and abbreviations mean?
Score is your daily readiness estimate. Core means the four balances. Life Book keeps meaningful moments. PWA is a web app you can add to your home screen. SUDS is a subjective 0–10 tension rating; PSS-4 is a short perceived stress questionnaire.
YOSS
Your day.
A little clearer.
Start with one entry. Continue at your own pace.