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Open iPhone Settings → [your name] → Subscriptions → HealthFlow and tap Cancel Subscription. Cancel at least 24 hours before the current period ends to avoid the next charge. Deleting the app does not cancel the subscription.

Sign in with the same Apple account, open HealthFlow, go to the paywall and tap Restore Purchases.

Refunds are handled by Apple. Request one at reportaproblem.apple.com.

On your iPhone, inside the app. HealthFlow has no account and no cloud copy of your health data. It is included in your iPhone backups if you have them turned on.

Restore your new iPhone from an iCloud or computer backup of the old one, or use Settings → Export Data in the app and import the file on the new device.

In the app, open Settings → Delete All Data. This removes your results, documents, conversations, health context and profile from the device. To delete optional analytics data, write to us.

Scanning sends the images of your report pages for recognition; asking Flow sends your question with the health context it needs. Both happen only after you agree. Details are in the Privacy Policy.

Before saving, you can correct any value, unit or date. For better results, photograph the page flat, in good light, with the whole table visible, or import the PDF from the lab. If a report is consistently misread, write to us — without the report itself — and tell us which lab and which values.

HealthFlow uses the reference range printed on your report when there is one. Otherwise it uses a published reference for your age and sex, listed on the sources page. Check that your sex and date of birth are set in your profile.

Connect it in the app under Profile → Integrations. To change what HealthFlow can read, open the Health app → your profile → Privacy → Apps → HealthFlow. HealthFlow only reads from Apple Health and never writes to it.