For the people you watch over. Yourself included.
Five vitals. One pulse. A clinical-method smartwatch and an app that turns numbers into understanding — for the families you care for, across any distance, and for the rhythm of your own body.
Founder Edition from $185 · Ships first to the early access cohort · No subscription required to use the watch
Certifications held by our manufacturing partner and applicable to the device you receive.
Five vitals. One continuous pulse.
Every smartwatch measures something. Leiko measures the things that move together — blood pressure with the clinical method your doctor uses, plus the four vitals that explain why the numbers are what they are.
Real micro-cuff, not optical estimation. The same method as your doctor's office, on your wrist.
Continuous and at rest. Leiko learns your baseline and notices when it drifts.
Day samples plus overnight lows — a signal worth sharing with your doctor if it dips.
Stages, score, and the nights that explain your morning numbers.
Steps and calories, against a goal you set — supportive, never gamified.
The watch also tracks calories, captures pulse with every BP reading, and pushes battery and sync state in real time.
The numbers are the easy part. The understanding is the product.
Leiko reads your whole rhythm every day and writes you one calm sentence about it — about you, or about whoever you're caring for. "In pattern this morning. 124 over 79, six below the week." No alarms. No fear. No "smart insights." Just the answer, plainly.
Every night, Leiko looks at the last 30 days of your readings and finds the patterns most worth knowing. Sleep and morning blood pressure. Activity and resting heart rate. Overnight oxygen and sleep quality. When a pattern reaches statistical confidence, it shows up in a sentence you can act on with your doctor.
"In pattern this morning. 124 over 79, six below the week."
Sleep × Morning BP
On nights you slept under 6 hours, your morning blood pressure averaged 8 points higher than on full-sleep nights. These often go together.
30-day rolling window · 14 paired observations · Pearson r = 0.42
A health question, answered from sources that earn their citations.
Type any question about your readings, your patterns, or your health. The answers come from a library of clinician-reviewed articles — not the open internet — and cite the source every time. When the question needs a doctor, Leiko says so, plainly.
SpO2 is the percentage of your blood that's carrying oxygen. Most adults at rest sit between 95 and 100%…
From card spo2-001 · Sources: AHA, NICE NG136
On nights with less than six hours of sleep, many people see morning readings that are several points higher…
From card corr-001 · Sources: ESC/ESH 2018
A resting heart rate between 50 and 95 falls within the typical adult range. What matters more is whether yours is steady…
From card hr-001 · Sources: AHA 2017
30+ articles at launch. Reviewed by clinicians. Written in plain English. No fear, ever.
Two watches. One platform.
Leiko Watch
The everyday companion. Clinical-method BP, heart rate, SpO2, sleep, and activity — all day, every day.
- Battery
- up to 7 days
- Display
- Standard
Leiko Watch Pro
Larger screen. Longer battery. Everything in Leiko Watch, with a display built for easy reading and battery life that keeps up with longer trips away from home.
- Battery
- up to 10 days
- Display
- 1.96" large display
Watch over the people in your care — without watching over them.
They wear the watch. You read the app. Across the room, across the ocean, or across a caseload — you see how they're doing each morning before they'd think to call. They keep their independence. You keep your peace of mind.
Leiko is for you if —
My mother / father / partner is hypertensive and lives somewhere I'm not always with them.
I'm managing my own blood pressure and I want to understand it, not just chase it.
Hypertension runs in my family, and I want to stay ahead of it without being afraid of it.
I look after patients or clients, and I need readings I can actually trust — not estimates.
The first 30 units ship with our manufacturing partner's branding — Leiko-branded production starts after this cohort tells us what they think. Founder Edition from $185, ships within days. Or pre-order the next batch at retail.
When the 30 are claimed, the page switches to a waitlist for batch two.
"I built Leiko because the watch I needed — for my own blood pressure, and for the people I watch over — didn't exist. Now it does."
— Law, founder · From Africa, for the world
The first 30 are claiming their watches.
Founder Edition from $185 — ships within days. Or pre-order the next batch at retail.