Vitals. The numbers your doctor will ask about.
Heart rate, blood pressure, glucose, SpO₂, temperature, weight, respiratory rate, ECG. Pulled in automatically from Apple Watch and HealthKit where the data already lives — chartable, exportable, shareable with the people in your care circle.
A vital sign is only useful if it's the whole curve.
Most apps show you a single “last reading.” That number tells you nothing on its own. The thing that matters is the shape of the data over a week, a month, a year — the baseline you live at, the volatility around it, and the deltas around events that mattered. Leo's vitals view starts with the time-series and lets you zoom from a year down to an individual sample.
Everything you see in Leo is already in your Apple Health database. The job is presentation, not re-measurement: pull the data Apple already collected, render it in views your clinician can read, let you annotate around the events that explain the spikes.
Eight vital signs, in the units your chart already uses.
The eight vitals below cover the panel a primary-care visit walks through. Each one stores raw samples and renders a time-series view; tap a point to see source, time, and any annotations.
Continuous from Apple Watch · resting + walking average · HRV.
Systolic / diastolic, manual or from a HealthKit-connected cuff.
Pre- and post-meal tags. CGM data flows in via HealthKit.
SpO₂ from Apple Watch or a pulse oximeter, where supported.
Manual entry, or via a HealthKit-connected thermometer.
Manual or via a HealthKit-connected smart scale.
From Apple Watch during sleep, or manual count.
Apple Watch single-lead ECG with Apple's rhythm classification.
HealthKit is the front door.
Leo doesn't talk to your devices directly — it talks to Apple Health. That means anything already syncing to the Health app (Watch, BP cuff, scale, CGM app, etc.) flows into Leo without a new integration.
Scrub, zoom, overlay — find the moment that mattered.
The chart view is the workhorse — it's where you actually see what's happening. Every view is interactive: scrub the timeline, tap a point for source and value, pinch to zoom, overlay another time window to compare.
Zoom from a one-year window down to an individual sample. Tap a point for time + source + value.
Hundreds of samples collapse to hourly · daily · weekly views; toggle to raw samples whenever you want.
Overlay this week vs last week (or this month vs last month). Useful for med starts and lifestyle changes.
Heart-rate-by-hour and BP-by-hour views surface the morning spikes a single average would hide.
Leo is not a medical monitor.
Vital signs is the most-regulated surface in any health app, and we're explicit about the line. Leo is a record of what your devices and HealthKit already measured. The list below is what we deliberately don't do.
Leo does not predict tomorrow's heart rate, next week's BP, or future glucose. Forward-looking numbers belong to a medical-device class we don't intend to enter — descriptive history only.
Leo doesn't fire alerts when a vital is high / low / abnormal. Apple Health's own clinical alerts (heart rate, AFib, fall detection) still come through Apple. We won't be replacing them.
Leo describes what you've measured — high BP, low SpO₂, abnormal ECG classification from Apple — but doesn't tell you what to do about it. That's your clinician's job.
Use the vendor's own alarm path. Leo isn't replicating those.
Code-complete on the Dexcom-direct integration; Dexcom isn't accepting new API partners right now. HealthKit-routed CGM data works today.
Caregivers / partners / providers can view vitals, but in-Leo annotation on a data point isn't shipped. PDF export is the current handoff.
You can see each vital independently. A 'BP went up when sleep dropped' auto-callout isn't built in this surface (insight engines surface elsewhere).
The vitals chart your appointment actually deserves.
Eight vitals, pulled from HealthKit, charted with zoom and overlay, exported as PDF or CSV, and shareable per-vital with the people in your care circle.