Bloodline

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Privacy Policy

Last updated 20 July 2026

Bloodline is a personal blood-test tracker built so your health information stays yours. It lives on your device and in your own private iCloud — the people who make Bloodline never receive it and cannot see it.

The short version

  • Your data is stored on your device and your own private iCloud. It goes nowhere else unless you explicitly choose to share results with a coach.
  • We don't collect, see, or store your health data. Bloodline has no servers of its own.
  • We never sell your data, and there's no advertising or third-party tracking. The only sharing is what you set up yourself, and you can stop it at any time.
  • You can export or delete your data whenever you want.

Information Bloodline handles

Everything in Bloodline is information you put there. On your device, the app stores:

Where your data lives

Your data is stored locally on your device. If you have iCloud turned on, it also syncs through your own private iCloud account (Apple's iCloud) so it's available across your devices. That uses Apple's infrastructure under your Apple Account — the makers of Bloodline have no access to it. Bloodline has no servers of its own and never uploads your data to us.

If you choose to share results with a coach, the panels you select are copied into an Apple iCloud share that the person you nominate can read. That copy sits in Apple's iCloud, not on any server of ours. See Sharing with a coach below.

Apple Health

With your permission, Bloodline can read certain information from Apple Health — such as date of birth, biological sex, height, weight, heart rate, heart-rate variability, and blood pressure — to prefill your profile and track your vitals. This information is used only inside the app, stays on your device, and is never shared with anyone or used for advertising. You can review or turn off Bloodline's access at any time in the Health app.

Importing lab reports

When you import a PDF or photo of a lab report, Bloodline reads it on your device. Personal identifiers it detects — such as your name, date of birth, and record numbers — are redacted on your device. Imported documents are never sent to us or to any third party.

Information we collect

We don't collect personal information. Bloodline has no analytics, no advertising, and no third-party tracking built into it.

Sharing your data

We never sell your data, and we never share it with anyone on your behalf. When you export your results — as a CSV file or a PDF summary, or to share with your doctor — that happens only at your request and goes only where you choose to send it.

Sharing with a coach

Bloodline lets you share results with a coach or anyone else you choose. This is the one situation where your health information leaves your own iCloud, so it is worth being precise about how it works.

Nothing is shared unless you set it up. Sharing is off until you create a share, choose which panels to include, and confirm. There is no "share everything" option and nothing is pre-selected.

What the person you nominate receives:

What they do not receive:

How the sharing works. What you selected is placed in an Apple iCloud share. The person you nominate opens a link and can then read that share from their own copy of Bloodline. It is read-only — they cannot change or delete anything of yours. The makers of Bloodline still have no access to any of it.

If your coach adds a protocol for you. A coach can record a protocol or cycle for you — what to take, how much and when. It appears in your app labelled with their name, so you can always see what came from them rather than from you. They cannot alter your results, your existing entries, or anything else in your record: their additions travel in a separate share that they own and you read. You can remove anything they added, and stopping sharing stops it entirely.

Stopping. You can stop sharing at any time from Profile ▸ Sharing. Stopping removes their access to the shared results. Please be aware of the obvious limit: if they have already read, exported or written down something you shared, stopping cannot undo that. Share only with people you trust.

If you are a coach, there is a separate Coach Agreement covering what you agree to do with a client's results.

If you are the coach. Results shared with you are another person's health information. You are responsible for handling it appropriately and for having their agreement to hold it. Bloodline shows you whether a result sits inside or outside a published reference range and how it has changed; it does not interpret results, suggest causes, or recommend action, and it is not a substitute for clinical advice.

Your choices and control

Children

Bloodline isn't directed at children under 16. If you create a profile for a child in your care, you're responsible for the information you choose to enter.

A note on medical use

Bloodline reports your results as facts — in range, out of range, or no range available. It is not a medical device and does not diagnose conditions or give medical advice. Always discuss your results with a qualified health professional.

Changes to this policy

If we update this policy, we'll post the new version here with an updated date.

Contact

Questions about your privacy? Email us at privacy@bloodlineapp.com.au.

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