HealthOS

Your health data, read back to you.

HealthOS takes the health data you already have — your Apple Health history, and (if you have them) lab results, genetics, and wearables — and turns it into a plain-language feed of what's worth paying attention to, that you can ask questions about. It runs entirely on your own Mac.

It's local-first: there's no account and no cloud. Your health data lives only on your machine and never leaves it. The app bundles everything it needs — no developer tools, no setup.

Download HealthOS

You'll be asked for the username and password that whoever invited you sent separately — that's what unlocks the download.

Download for Mac
HealthOS-arm64.dmg · Apple Silicon (M1-M4) · macOS

About 5 minutes: download, open, and add your data.

Before you start

1

Open it

  1. Double-click the downloaded HealthOS-arm64.dmg to open it, then drag HealthOS into your Applications folder (or just double-click it).
  2. The first time, macOS may say it's from an unidentified developer. That's expected. Right-click (or Control-click) HealthOS → Open, then click Open again. After that first time, a normal double-click works.
This "right-click to Open" step is normal for apps shared directly rather than through the App Store. You only do it once.
2

First run

HealthOS asks where to store your data — pick a folder (a spot in your Documents, or an external drive, both work). Everything HealthOS knows about you lives only in that folder.

It sets up (about a minute the first time), then opens your browser automatically to a short setup wizard. Just follow it — you don't need to come back to the app window.

3

Add your data — the important part

The easiest first input is your Apple Health export:

  1. On your iPhone: open Health, tap your photo (top right), scroll down, tap Export All Health Data. You get a file called export.zip.
  2. Get it onto your Mac (AirDrop, or email it to yourself) and unzip it.
  3. In the wizard's Add your data step, click Reveal folder and drop the unzipped contents into the folder it opens.
  4. Continue to First scan — it indexes what you added and your feed fills in.

Also supported, if you have them (each has its own Reveal-folder button): a Health Auto Export continuous sync, lab results as a .tsv, and whole-genome DNA as a .vcf.gz. All optional — add them now or later.

4

AI features — optional

The daily feed works on its own. Extras like Ask (chat with your data) use Claude, and for those you add your own key so the usage bills to you.

Want them? Get a key from console.anthropic.com and paste it into the wizard's AI features step. Don't want them? Skip it — everything else still works. You can add a key later in Settings.

That's it — your feed is live.

Today / Feed — the ranked list of findings. Click a card to see what's behind it.
Trends — your lab and wearable values over time.
Ask — questions in plain English (needs the AI key from Step 4).
Day to day — double-click HealthOS to open it; the little window has a Quit button to stop it. Add more data by dropping files into the same folders and relaunching.

If something's off

The download asks for a username and password.

That's the gate — use the ones whoever invited you sent. If you don't have them, ask them.

macOS won't let me open the app.

Right-click (or Control-click) HealthOS → Open → Open. If it still refuses, open Terminal and run xattr -dr com.apple.quarantine /Applications/HealthOS.app, then open it again.

Does my data go anywhere?

No. HealthOS runs on your Mac and your health data stays in the folder you chose. The only thing that ever leaves is what you specifically ask the AI features, using your own key.

Is this for Windows or Intel Macs?

This build is for Apple Silicon Macs (M1-M4). If that's not you, tell whoever invited you.

HealthOS · your data, on your side of the screen.