Apple Movement Disorder API

Notice what your body already knows.

No two people experience Parkinson's the same way. Kampa passively monitors your tremor and dyskinesia through Apple Watch, correlates every dose, meal, workout, and night of sleep, and surfaces the patterns that are true for you - so you can adjust your life around what actually affects you. No manual symptom tracking. No daily check-ins.

watchOS Apple Health Movement Disorder API SwiftUI On-device
Kampa Observations screen showing AI-surfaced insights
kāmpa kuhm-pah Sanskrit · कम्प

The Sanskrit word for "tremor." From Kampavata (कम्पवात) - the Ayurvedic term for what modern medicine calls Parkinson's disease, described in Indian medicine centuries before James Parkinson named it in 1817. The name isn't a metaphor - it is the oldest clinical term for the condition this app was built to understand.

What Kampa watches

Built around your Apple Watch.
Correlated against everything.

Most health apps ask you to do the work. Kampa does the watching - continuously, quietly, without interruption.

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Tremor & dyskinesia, all day

Apple's Movement Disorder API reads both tremor and dyskinesia via Apple Watch continuously - the two motor signals that shape a Parkinson's day. Ambient observation: no tapping, no check-ins, nothing to remember.

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Medication correlation

Tracks what happens to your movement in the 30-90 minutes after every dose. Wearing-off timing, effectiveness, and duration - surfaced automatically.

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Log by voice

Kampa reads what Apple Health already tracks - sleep, HRV, workouts, daylight - automatically. What you note yourself, like a meal or a dose, takes just a sentence - by voice or a quick tap. Built for tremor-affected hands, so logging never becomes a chore.

Daily observations & cross-day Insights

No dashboards to interpret. Kampa reads each day in plain language - and across weeks and months, a separate Insights view surfaces longer patterns, each with an honest confidence level and ready to discuss with your neurologist.

Kampa on Apple Watch showing latest tremor 0.0, a tremor sparkline, and today's average tremor 0.5 and dyskinesia 0.0

On your wrist

The sensor you're already wearing.

Kampa runs on Apple Watch, reading tremor and dyskinesia continuously through Apple's Movement Disorder API - no session to start, nothing to wear beyond the watch you already own. A glance shows your latest reading and the shape of the day, and your iPhone wakes the watch to sync in the background - so the data keeps flowing without you doing a thing.

The app

Real data. Real patterns.

One real day in Kampa - Monday, June 29. Nothing staged, nothing simulated. This is what the app actually recorded.

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5h 3m
Total sleep
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0.9
Tremor avg · Slight
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0.0
Dyskinesia · None
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47 ms
HRV
Tremor & dyskinesia - one real day, one timeline Every dose and meal, marked where it happened
Kampa chart for Monday June 29 showing the blue tremor line active through the morning and the coral dyskinesia line near zero, with medication and food events marked

Both motor signals on one chart. Today, dyskinesia barely registered - Kampa still catches the small upticks it did find, around 11 AM and 5 PM.

Tremor

Shake, minute to minute

Dyskinesia

Involuntary movement

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Medication

Every dose, to the minute

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Food

Meals, ready to correlate

A meal, a dose, a mindfulness session - the things you note yourself, you just say. Kampa transcribes on device, works out what you meant, and files it at the right time. Even "last night at 9 PM" lands on the right day.

Kampa Log entry screen with Food, Medication, Mindfulness and Symptom, and a Tap to log by voice mic button
1Start anywhereTap + and hit the mic - food, medication, mindfulness, or a symptom
Kampa Speak to log screen transcribing 'I ate blueberries and vanilla ice cream last night at 9 PM'
2Just say it"blueberries and vanilla ice cream last night at 9 PM"
Kampa parsing the voice entry into Food, dated to 9:00 PM the night before
3Kampa understandsSorted into food, timed to 9 PM - no forms
The stored food entry showing auto-detected attributes: Sugar, Fiber, Fat
4Filed & detectedAuto-tags Sugar, Fiber, Fat - ready to correlate

Today's forecast

What to expect today - before it happens.

Kampa learns how your doses actually play out - when each one kicks in, how long it holds, when it fades - then runs the rest of your day forward: the ON windows when you're steady, and the OFF windows when you're likely to wear off.

Not a textbook drug curve. Each of your medications gets its own timing - learned from how it actually behaves for you, even how the same dose lands differently in the morning than at night. It tells you what to expect, never what to do - a pattern to plan around and bring to your neurologist, never a dosing instruction.

Kampa's Today's forecast panel for Tuesday, July 7: a colored timeline showing ON (blue) and OFF (red) windows across the day with a marker at the current time, above the message 'You're likely ON (steady) right now — wearing off expected 3:00 PM to 4:00 PM.'

Glucose

On the same timeline.

Wear an over-the-counter glucose sensor - Abbott Lingo, Dexcom Stelo, no prescription - and Kampa reads it straight from Apple Health, drawing your glucose curve in its own panel, time-aligned right under your tremor chart.

Touch and hold anywhere, and a crosshair sweeps every panel at once - a dose, a meal, a tremor uptick, an ON/OFF forecast window, and a glucose swing all line up to the same minute. Collapse a panel when you want fewer signals in view. Kampa works fully without a sensor, too.

Insights

The patterns you'd never spot yourself.

A single day shows what happened. Across weeks and months, the Insights view surfaces the longer patterns - how your medication really performs, when wearing-off tends to hit, how your walking is trending - each with an honest confidence level, and only when the data actually supports it.

Kampa Insights list - several findings, each labeled with a confidence level
Ranked by confidenceEmerging, Moderate, or Strong - never overstated
An insight expanded with a chart and a 'Try an experiment' button
A hypothesis you can testFramed as an association to test, not proof
Medication dose-response chart comparing morning, pre-lunch and afternoon doses
Worth a doctor's eyeClear enough to bring to your neurologist

Your health, your data

Privacy isn't a feature.
It's the architecture.

The data Kampa handles is about as personal as it gets - continuous movement, tremor, sleep, heart rate. For a neurological condition, that can reveal how your day went, whether your medication is working, even how things are changing over time. Data this personal should stay under your control - so Kampa keeps it on your device, backed up to your own private iCloud. Read the full privacy policy.

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Processed on your device

Everything Kampa records is processed and stored on your iPhone and Apple Watch first. Your health data starts and stays with you.

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Your own private iCloud

Backup runs through your personal private iCloud (Apple's CloudKit), under your account. No Kampa account to create, no Kampa server.

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Nothing hidden

The app shows you exactly what's stored - every record type, count, and the full date range. Lose your phone? Reinstall and it all comes back.

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Never sold, always yours

Kampa will never sell or share your health data - not with advertisers, data brokers, or researchers. You control what it's ever used for.

Why Kampa exists

"Parkinson's is a cause we care about deeply - a condition that makes every day unpredictable and erodes quality of life. We couldn't find a tool that would quietly watch, surface patterns, and help someone understand their own body without adding cognitive burden. So we built one. The goal is more than monitoring: it's giving someone with Parkinson's enough self-knowledge to make lifestyle changes, see the difficult days coming, and face them better."
Bhav Bhasin
Bhav Bhasin
Co-founder

25+ years building consumer and enterprise software products at Meta, Uber, and PayPal - leading product and engineering organizations across safety, risk, infrastructure, and operations. Kampa applies that same discipline to a health problem: ambient-first design, continuous passive sensing, zero cognitive burden.

Bhaani Kaur
Bhaani Kaur
Co-founder

Business student at UC Berkeley's Haas School of Business. She leads Kampa's external presence - crafting content that makes complex neuroscience feel human and accessible - and shapes product direction and roadmap. She believes the best health tools get out of patients' way, and works to reach the people who need them most.

What's new

Recently shipped.

What's landed in the app lately. Each release gets a closer look on LinkedIn.

Jul 2026
In private beta
Kampa is running on real devices in a private TestFlight beta - passive tremor and dyskinesia tracking, dose correlation, and your day-ahead forecast, all on your own data. Access is invite-only for now; get in touch if you'd like to try it.
Jul 2026
What to expect today
Kampa now runs your wearing-off curve forward from the doses you've logged and draws the likely shape of your day - your probable on and off windows - as a band right under your tremor chart. A heads-up for planning the day ahead, never a dosing instruction.
Jul 2026
Log gut symptoms by voice
Tap + and say it - "bloated after lunch," "nausea this morning." Kampa saves it to Apple Health and marks it on your timeline, so slow-digestion days sit alongside how your doses landed. Constipation and gut motility are among the most common non-motor patterns in Parkinson's.
Jul 2026
Glucose, on the same timeline
Wear an over-the-counter glucose sensor - Abbott Lingo, Dexcom Stelo, no prescription - and Kampa reads it straight from Apple Health and draws your glucose curve in its own panel, time-aligned right under your tremor chart. Touch and hold anywhere and a crosshair sweeps every panel at once, so a dose, a meal, a tremor uptick, and a glucose swing all line up to the same minute. It works fully without a sensor, too.
Jun 2026
Log by voice
Speak a meal, a dose, or a mindfulness session and Kampa transcribes it on device, works out what you meant, and files it at the right time - even "last night at 9 PM." Food and mindfulness also work hands-free through Siri. Built for tremor-affected hands: no typing, no forms.
Jun 2026
Dyskinesia, alongside tremor
Kampa now reads the full tremor distribution and the raw dyskinesia stream from Apple's Movement Disorder API - and draws both on the same timeline. Two motor signals, one chart, so you can see the whole picture of how a day moved.
Jun 2026
A redesigned Apple Watch face
The Watch app gets a clean Kampa lockup and a live tremor sparkline - and the iPhone can now wake it to sync in the background, so your tremor data keeps flowing without opening anything.
Jun 2026
Cross-day Insights
A new Insights view looks across weeks and months, not just today - surfacing longer-running patterns like medication response, wearing-off timing, and walking trends. Each comes with an honest confidence level and a clear "discuss with your neurologist" note. It only claims a pattern when the data actually supports it.
Jun 2026
A pattern engine built for rigor
Behind the Insights view, Kampa analyzes dose-response by time of day, wearing-off windows, long-term gait trends, and food timing - and guards against confounds, so a meal doesn't get credit for what the medication actually did. When the signal isn't there, it stays quiet.
Jun 2026
Neurologist-ready report
Export a clean, plain-language summary of your patterns as a PDF to bring to any appointment - your data, on your terms, ready to discuss with your care team.
Jun 2026
Kampa enters private testing
Kampa reaches real devices beyond the builder's own, with a small, invitation-only group of testers.
Jun 2026
Private cloud backup & restore
Your data backs up to your own private iCloud (Apple's CloudKit) and restores on a new device - lose or replace your phone and your history isn't gone. On-device first; you stay in control of what it's ever used for.
Jun 2026
See exactly what's stored
A new in-app Backup view shows every record type, count, and date range Kampa holds on your device - plus one-tap CSV export of everything.
Jun 2026
Kāmpa, named
The app takes its name and identity: Kāmpa, from Kampavata - the Ayurvedic term for the tremor disorder now called Parkinson's.
May 2026
Food, meditation & event logging
Capture meals, mindfulness sessions, and daily events - each timestamped and ready to correlate against continuous tremor data.

What's coming

Already built. More on the way.

The foundation is running. The roadmap builds toward a complete picture of how Parkinson's moves through a life.

Now underway
Now in testing

Kampa is out on real devices beyond the builder's own, in a private TestFlight beta - validating whether the patterns it surfaces hold across individuals or are deeply personal.

Up next
Lifestyle in the forecast

Today's forecast projects from your logged doses. Next: the lifestyle factors Kampa already surfaces as daily insights - exercise, sleep, HRV - will feed the forward forecast itself, so a hard workout or a short night shifts your expected on and off windows, not just that day's notes.

Exploring
Deviation alerts

The day-ahead forecast already shows your expected on and off windows. A deviation alert would watch your live tremor against that forecast and speak up only when today diverges from your own pattern - wearing off earlier than usual, say - never a generic "you're due" reminder.

Roadmap
Guided experiments

Turn a pattern into a test. Kampa proposes a hypothesis from your own data - "does a later first dose steady your mornings?" - then labels the days and reads back a verdict.

Roadmap
Ambient voice insights

Ask in plain language - "why was today harder?" - and hear what your own data shows. Apple-native voice, grounded only in the patterns Kampa has actually verified.

Roadmap
Gut - absorption patterns

You already log gut symptoms by voice. Next, Kampa lines them up against dose response - because gut motility shapes how well levodopa is absorbed.

Try Kampa.

Kampa is in a private, invite-only beta. Reach out with a bit about yourself and I'll send you a TestFlight invite - or get in touch to collaborate on research or share clinical feedback.

Requires an iPhone on iOS 26 (iPhone 11 or later, including iPhone SE 2nd gen) and an Apple Watch on watchOS 10 (Series 4 or later).