The sources already exist.
Oura, Apple Watch, smart scales, labs, clinical records and specialist apps already produce valuable information. Kehai treats those systems as sources, not competitors.
01 · what it is
Not another tracker. A personal health intelligence layer.
People already have the tools. They already have the data. What they do not have is the whole picture.
A ring knows sleep and recovery. A watch knows movement and heart rate. A smart scale knows body composition. A lab report knows a moment in time. Your cycle app, medications, symptoms, environment, routines and your own observations each know something else.
Every tool sees a piece. None sees the person.
Kehai is built for what happens after the measurement: preserving where each signal came from, connecting information across time, and giving those separate pieces a shared intelligence layer so patterns can emerge without collapsing observation into diagnosis.
"I could see the numbers. I couldn't always see the story." — Kassandra, Founder
02THE INTELLIGENCE LAYER
The data is an input. The intelligence is what connects it.
One person.
Many sources.
One longitudinal picture.
Kehai uses a shared patent-pending health intelligence engine for pattern recognition, signal surfacing, temporal context and memory across multiple health inputs. It is designed to notice relationships across time while preserving provenance and keeping observation separate from diagnosis.
Oura + wearablesApple HealthLabsBody compositionSymptoms + cycleMedicationsEnvironmentNotes + context
KEHAIpatent-pending health intelligence
patternssignalsmemorycontext over time
03 · how kehai is different
We do not need to replace Apple Health.
We need it.
The health ecosystem has already done important infrastructure work. Devices collect measurements. Apps specialize. Apple Health can already consolidate many of those permissioned streams. Kehai is built to sit above that source layer — not rebuild it.
Interoperability is an advantage.
When a person gives permission, HealthKit can make supported health information available to an app without requiring Kehai to recreate every device connection independently.
Kehai adds the intelligence layer.
The patent-pending health intelligence engine is designed to preserve provenance, connect information across time, surface recurring patterns and signals, and hold context that individual source apps may never see together.
SOURCE + AGGREGATION LAYER
Devices · Apple Health · labs · records · apps
Collect, store and share permitted health information.
KEHAI INTELLIGENCE LAYER
Patterns · signals · memory · longitudinal context
Help the person understand what the separate pieces may be showing together over time.
Kehai only accesses sources a person explicitly chooses to connect. Source data remains attributed to its origin, and intelligence is designed to surface observations rather than diagnose.
04 · how it sees
Your health is
not one dataset.
It should not always
look like one.
Different kinds of information get different visual language — anatomical study for structure and measurement; classical form for the lived body, rhythm and context. The record stays coherent without flattening everything into the same picture.
Keep kinds of truth distinct.
A direct measurement is not an estimate. A user note is not a health sample. Kehai preserves the difference.
Let context sit beside data.
Stress, travel, routines and symptoms can matter without being treated as medical conclusions.
Surface, don't pronounce.
AI can remember, connect and bring patterns forward. It does not need to pretend it knows what they mean.
Visual grammar
Historical plates,
contemporary questions.
Kehai draws from centuries of anatomical illustration — not as decoration, but as a visual language for where a signal lives in the body.
Each plate is chosen for clarity, not shock. Kehai treats the body as a place of observation — never as a problem to be solved.
05 · inside kehai
The body changes with the question.
This is the real interface, live — not a screenshot. Switch between Home, Signals, and Composition · Ledger, tap a pin, try dark mode.
9:41
HOME
Good morning
Kassandra.
Wednesday · August 12 · A record that stays yours.
Air nearby
38
AQI
HOME
the air around you.
A local condition, kept separate from your health record.
- PM2.5
- 7.9 µg/m³
- Observed
- 8:20 AM
Today's record
Noticed
You logged poor sleep on 5 of the past 7 nights.
This is a count of your entries, not a conclusion.Keep close
9:41
HEALTH SYNC
Good morning · Kassandra
your signals.
Health sample
Weight
187.4lb
A whole-body measurement, imported as a direct Health record.
- Recorded
- Apple Health · today, 7:12 AM
- Device
- Withings scale, via Health
- Confidence
- Direct measurement
Recorded in Health
Your scale
Kehai calculation
9:41
TRUE SCALE · TRENDS
Body record
your composition.
Tap a region. Its record comes forward.
Weight · direct
187.4lb
Down 18.4 lb since Mar 4. A full-body record, kept separate from device estimates.
Full bodySkeletalAdiposeCirculatoryMuscular
Body record
your body, over time.
Every available measure, kept distinct by source.
Ledger view
body changes.
Open any record for its source note, then choose a full timeline only when you want the detail.
WeightDirect measurement 187.4lb ↓ 18.4 lb
Body fatScale estimate 24.3% ↓ 2.1%
Muscle massScale estimate 128.6lb ↑ 3.8 lb
WaterScale estimate 52.1% — 0.2%
Bone massScale estimate 6.9lb — 0.0 lb
Visceral fatScale estimate 9index ↓ 1
WaistUser logged 31.2in ↓ 1.4 in
Individual record
weight timeline.
Latest weigh-in
187.4lb
↓ 18.4 lb
Weight entries remain yours to add or revise.
Weight over time
6 months
Tap any point to see or edit that weigh-in.
Selected weigh-in
Aug 7, 2026
187.4lb
Estimated BMR
1,567 kcal/day
Calculated BMI
28.5
Calculated context is kept separate from direct and scale-estimated records.
Recent records
9 entries
06 · intelligence, with restraint
Not "here is what's wrong with you."
More like: "This has been showing up lately. You might want to pay attention to it."
The intelligence layer holds information across time, remembers what people naturally forget, connects signals that live in different systems and gently brings patterns back to attention. AI can accelerate that work when invited; Kehai's underlying record, provenance and product remain useful without it.
"You logged this a few times recently.""This changed around the same time.""You may want to look at this together."
two worlds · for now
Stone or Dune.
The same record in two quiet environments. No rainbow dashboard. No gamified score. Just a place that feels calm enough to return to.
why now · investor context
The appetite is already here.
The picture is still fragmented.
People are already buying devices, paying for memberships, generating continuous health data and asking software to help them understand themselves. The next opportunity is not another isolated stream of measurement. It is the layer that can make many streams coherent.
The market has validated demand for deeper personal health understanding.
But sleep, activity, body composition, labs, symptoms, medications and environment still largely live in separate systems. Kehai is building the personal health intelligence layer between those sources and the person — powered by a shared patent-pending engine for patterns, signals, memory and context over time.
Market context, not a Kehai TAM claim. Sources: Oura S-1 (Sept. 3, 2026), Reuters (Sept. 21, 2026), Fortune Business Insights (Aug. 2026).
your body. your record. your story.
See the whole picture.
Coming to the App Store
Kehai is not a medical device and does not provide medical advice. It does not diagnose, prescribe, or replace care from a clinician.