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Marrow Privacy Policy

Last updated: October 22, 2026

Marrow ("we," "our," or "the app") is a dog care journal built by Tritan, LLC. We take your privacy seriously. This policy explains what information the app collects, how it is used, and your choices.

1. Data We Collect

Marrow stores all of your dog's data locally on your device. There is no Marrow account, no login, and no Marrow server. We do not sell your data or share it with advertisers.

Information you enter into the app includes:

This data is stored using your device's secure local storage. It stays on your device unless you turn on iCloud backup (Section 5) or choose to share something yourself. The one exception is your dog's food brand, which is used to search FDA recalls (Section 3). Subscription status is checked through RevenueCat (Section 4), which receives none of your dog's data.

Like other app data, it is also included in your iPhone's own iCloud or computer backup if you use one.

When you share something from the app, such as the vet report PDF, a data export, or a recap image, it goes only where you send it with the iOS share sheet.

Marrow 1.2 also connects to Apple's iCloud service each time it opens, for a household sharing feature that is built but not turned on. It sends none of your dog's data, and the next update of Marrow stops making that connection unless sharing is turned on.

2. Camera and Photo Library Access

Marrow requests access to your camera and photo library solely to let you add a portrait photo for your dog, add walk and Trail photos, and attach images to health records. Marrow saves its own copy of each photo on your device. Photos are not sent to any server. If you turn on iCloud backup, they are copied to your own iCloud Drive (Section 5).

You can revoke camera and photo library permissions at any time in your iPhone Settings → Privacy & Security.

3. FDA Recall Data

To check whether your dog's food brand appears in active FDA recall notices, the app makes network requests to the openFDA public API (api.fda.gov). These requests contain no personal information. One request searches for the words in the food brand you entered for your dog. Another looks for current recalls of dog and pet food in general. Results are cached on your device for 24 hours to minimize network usage.

4. Subscription

Marrow is free for up to two dogs, and that includes the whole daily loop, reminders, the Trail photo journal, the guided body condition check, and the printable vet report. Marrow Pro is an optional monthly subscription that adds what Marrow notices in your logs, vet visit prep, your dog's story in numbers, and every dog beyond your first two. The app shows the price, and any free trial your Apple ID is eligible for, before you subscribe. You can cancel anytime in Settings → Apple ID → Subscriptions.

Subscription purchases are processed by Apple through the App Store. We use RevenueCat to manage subscription status. RevenueCat receives an anonymous app user ID and your subscription state; it does not receive your name, email address, or payment details. All billing and payment data is handled entirely by Apple. We never see your payment information.

5. Backup to Your Own iCloud (Optional)

Marrow can keep a copy of your data in your own iCloud Drive. Backup is off until you turn it on in Profile → Data, and it does not require Marrow Pro.

When backup is on, Marrow copies your dogs, daily logs, health records, medication schedules and photos into a Marrow folder in your iCloud Drive. It saves a fresh copy when you leave the app (at most once every few minutes) and whenever you tap Back Up Now.

The backup lives in your own iCloud account, under Apple's privacy policy. It never passes through a Tritan server, and Tritan cannot see or access it. There is no Marrow account or password.

To stop backing up, turn off the switch in Profile → Data. This stops new backups but does not erase the copy already in iCloud. To delete that copy, open the Files app, go to iCloud Drive → Marrow, and delete the MarrowBackup folder.

Deleting the Marrow app does not delete your iCloud backup. If you reinstall Marrow on a device signed in to the same iCloud account, it offers to restore from that backup.

6. What Marrow Notices

Marrow looks for patterns in what you have logged: the times of day things usually happen, which signals tend to move together, and slow changes in weight or activity over weeks. All of this is calculated on your device using fixed, deterministic rules. There is no artificial intelligence service, no cloud processing, and nothing about your dog is sent anywhere to produce it.

These are observations about your own logs, offered as general guidance and as things that may be worth mentioning to your vet. They are not veterinary advice and never a diagnosis.

7. Push Notifications

Marrow schedules notifications on your device for meal, walk and medication reminders, health record due dates, and occasional notes such as your dog's birthday or a finished weekly or monthly recap. These are processed entirely on your device using iOS's local notification system. No notification data is transmitted to external servers.

8. Analytics and Tracking

Marrow does not include any advertising SDKs, behavioral tracking, or third-party analytics. We do not build profiles on you, sell your data, or share your information with advertisers.

9. Children's Privacy

Marrow is not directed at children under 13. We do not knowingly collect personal information from children.

10. Data Retention and Deletion

App data is stored locally on your device. To delete all Marrow data on your device, use Reset Local Data in Profile → Data, or delete the app from your iPhone. Either one permanently removes the dog data and photos Marrow keeps on your device.

If you turned on iCloud backup, that copy stays in your iCloud Drive until you delete it yourself (see Section 5). Because it is in your own iCloud account, we cannot delete it for you.

Subscription status is managed by Apple and RevenueCat. To cancel Marrow Pro, go to Settings → Apple ID → Subscriptions on your iPhone.

11. Changes to This Policy

We may update this privacy policy from time to time. When we do, we will update the "Last updated" date above. Continued use of the app after changes constitutes acceptance of the updated policy.

12. Contact Us

If you have any questions about this privacy policy, contact us at contact@shoptritan.com.

If you email us using Contact support in the app, the message is prefilled with your Marrow version and iOS version so we can help. You can see and edit it before you send.