Privacy Policy

Group Tracker · last updated 2 October 2026

Group Tracker lets people track goals and habits together. This page explains what the app stores, why, and how to delete it.

What we store

• An account. The app starts with an anonymous account: a random identifier, no email, phone number or password. You can optionally back it up with Sign in with Apple (we receive a stable Apple user identifier, not your name or email), with a Google account (we receive your Google account's identifier, email address, name and profile picture; we use only the identifier and show the email in Settings so you know which account you used), or with a username and password (stored hashed).
• Your profile: display name, username, avatar emoji and colour, time zone, and your reminder preferences.
• Tracker data: trackers you create or join, their items, what you log (values, dates, optional notes), reactions, nudges and join requests.
• Notification token: if you allow notifications, a push token so we can tell you about nudges, join requests and group goals. Pushes are sent through Expo's push service and Apple (iPhone) or Google's Firebase Cloud Messaging (Android). In the web version, turning on browser notifications stores your browser's push address, and pushes go through your browser maker's push service (for example Google, Mozilla or Apple).
• Web version: the browser keeps your sign-in on your device in its local storage. Clearing site data signs you out; a username and password brings the account back.
• Purchases: if you subscribe to Pro, Apple (App Store) or Google (Google Play) processes the payment; RevenueCat tells us whether your subscription is active. We never see your payment details.
• Crash reports: if the app crashes, a technical report (device model, OS version, app version, the error) may be sent so we can fix it. It is linked to your anonymous account identifier, not to your name.

What we don't do

• No advertising, no tracking across other apps or websites, no selling or sharing of data.
• No contacts, location, photos, camera or microphone access.
• Personal reminders are scheduled on your device, not sent from our servers.

Who can see your data

Members of a tracker see each other's name, username, avatar and what they log in that tracker. The tracker's admins also see people who asked to join. Nobody outside a tracker can see its data.

Where it lives

Data is stored with our database provider, Supabase, in the United States. Crash reports are processed by Sentry, push notifications by Expo and your browser's push service, the website by Cloudflare, and subscription status by RevenueCat. They act as processors on our behalf.

Deleting your data

Delete some of your data without deleting your account, inside the Group Tracker app:

• A check-in: open the tracker and uncheck the item for that day. The entry is deleted for every member.
• A tracker you run: open it, go to Manage, and choose Delete tracker. All its entries from every member are deleted.
• Your membership: open the tracker and choose Leave tracker at the bottom. Your past entries stay in that tracker's history until it is deleted; delete your account to remove them.
• Your name, username or avatar: change them in Settings; the previous value is not kept.

Delete your whole account: open Settings → Delete my account. This permanently removes your profile, everything you logged, your memberships, your push tokens and your sign-in. Trackers you run pass to another member, or are deleted if you were the only one. Deleting the app alone does not delete your data. If your account is backed up you can sign back in; if not, you lose access to it.

What is kept: nothing identifiable. Crash reports in Sentry expire after 90 days. Purchase records stay with Google Play or Apple and RevenueCat under their own policies. Usernames of accounts that were never backed up and have been inactive for 90 days are released for others to use.

Without the app: email [email protected] from the address linked to your account, or with your username, and say what you want deleted. We act within 30 days.

Children

Group Tracker is not directed at children under 13.

Contact

Questions or requests: [email protected].