Truestride Privacy Policy

Last updated 26 August 2026

Truestride has no accounts, no servers, and no analytics. There is nothing to sign up for and nothing to be logged out of, because there is nowhere for your information to go.

What Truestride reads

With your permission, Truestride reads the following from Apple Health on your iPhone:

• Walking speed, step length, walking asymmetry, and double support time
• Step count, walking distance, and flights of stairs climbed

Access is read-only. Truestride never writes anything to Apple Health. You can withdraw access at any time in the Health app under your picture → Privacy → Apps → Truestride, and the app will keep working with whatever it can still see.

What Truestride stores on your iPhone

• The date of your operation, which procedure it was, and which side
• Any knee bend and knee straightening measurements you choose to save

Both are stored on the device itself. "Start over" in Settings deletes both permanently. Deleting the app deletes them too.

Truestride keeps no copy of the measurements it reads from Apple Health. Each time you open the app it reads them again — Apple Health is the record, not us.

What leaves your iPhone

Your health data never does. In detail:

• No servers. Truestride has no backend. There is no account system, no login, and no database anywhere holding anything about you.
• No analytics or tracking. No third-party analytics, advertising, crash-reporting, or attribution software is included in the app. Truestride does not track you across apps or websites and does not ask for permission to, because it has no use for it.
• No advertising. Your health data is never used for advertising, never used for marketing, and never sold or shared with data brokers.
• No AI services. Nothing about you is sent to any language model or third-party service. What the app tells you about your recovery is produced by fixed rules running on your phone.

Two things do involve other parties, and only in ways you start:

• Purchases are handled entirely by Apple through the App Store. Apple tells Truestride whether you have bought it and nothing else. We never see your name, your payment details, or your Apple ID.
• Sharing a chart creates an image on your device and hands it to the iOS share sheet. Where it goes next — Messages, Mail, AirDrop, a patient portal — is entirely your choice, and it goes there directly from your phone.

iCloud

Truestride does not currently sync anything through iCloud. If a future version does, it will sync only your surgery date, procedure, and side, so that a replacement iPhone finds them — never your health data — and it will say so plainly in the app.

Children

Truestride is intended for adults recovering from joint replacement surgery. It is not directed at children and does not knowingly collect anything from anyone under 13.

Your rights

Because Truestride holds no data about you on any server, there is no account to access, export, or delete, and no request to make of us. Everything the app holds lives on your iPhone and is under your direct control:

• Revoke Health access in the Health app at any time
• Tap "Start over" in Truestride's Settings to erase your surgery details and saved knee measurements
• Delete the app to remove everything it stores

This applies wherever you live, including under the GDPR and the CCPA. We do not sell personal information, because we do not have any.

Not a medical device

Truestride is not a medical device and does not provide medical advice, diagnosis, or treatment. It describes measurements your iPhone already records and compares some of them with published averages from a study of 686 total knee replacement patients. Talk to your surgeon or physiotherapist about your recovery.

Changes

If this policy changes, the date at the top changes with it, and any change that affects how your data is handled will be announced in the app before it takes effect.

Contact

Questions about this policy: truestridesupport@gmail.com