Last updated: 29 September 2026
This notice covers the Katana Badminton mobile app for iOS and Android. It adds to our Privacy Policy, which continues to apply to everything you do with Katana, including orders placed through the app.
What the app collects
The app is a storefront. It does not run advertising, analytics or crash-reporting SDKs, and it does not track you across other apps or websites.
| Data | Why | Where it is kept |
|---|---|---|
| Your account (name, email, addresses, order history) | To sign you in and show your orders. Sign-in is handled by Shopify, the platform that runs our store. | Shopify, under the same account you use on katanabadminton.com |
| A push notification token, your platform (iOS or Android) and, if you are signed in, your email | To send you order updates, restock alerts you asked for, and a reminder if you leave a checkout unfinished. Only if you allow notifications. | Our notification service, hosted on Cloudflare. Rows expire automatically after 180 days without the app opening. |
| Unfinished checkout (email and item count) | To send one reminder within 2–3 hours. | Deleted automatically after 48 hours, or as soon as the order is placed. |
| Restock requests (product and your notification token) | To tell you when a sold-out product is back. | Deleted when the alert is sent, or after 60 days. |
| Favourites, recent searches and recently viewed products | Convenience. | Only on your device. Never sent to us. Uninstalling the app removes them. |
| Your bag and checkout | To complete a purchase. | Shopify. Payment details go directly to the payment gateway; the app never sees them. |
Permissions
- Notifications – optional. You can decline at first launch and change your mind at any time in your phone's Settings.
- The app does not request location, camera, contacts, microphone or photo access.
Third parties
- Shopify – runs our store, accounts, orders and checkout. Shopify privacy policy
- Expo – relays push notifications to Apple and Google. It receives only the notification token and the message.
- Cloudflare – hosts our notification service.
- Apple and Google – deliver notifications and process app installs under their own terms.
We do not sell your data and we do not share it with advertisers.
Your choices
- Turn off notifications in your phone's Settings. Your token is then no longer used and expires on its own.
- Delete your account from inside the app: Profile → Delete account. Details on the account deletion page.
- Ask us anything at Hello@katanabadminton.com.
