Chroma Dunes

Privacy Policy — Chroma Dunes

Last updated: June 22, 2026

Chroma Dunes (the “App”, the “Game”) is a color-mixing sand-block arcade game developed by Birkin Apps (“we”, “us”). This Privacy Policy explains what data the App collects, why, and your choices. Chroma Dunes requires no account — play is anonymous, and your game progress stays on your device.

Summary

Data we collect and why

1. Device identifier / advertising ID

On iOS, your IDFA is used only if you grant permission via Apple’s App Tracking Transparency (ATT). On Android, your Advertising ID (GAID) is used. Purpose: to serve and measure rewarded ads through Google AdMob. This is considered tracking.

2. Product interaction / analytics

Events such as level completion, color-bridge bursts, and the purchase flow are recorded via Firebase Analytics to understand gameplay and improve the App. These are not linked to your identity and are not used for tracking.

3. Purchase history

Processed through in-app purchase (Apple StoreKit / Google Play Billing) for the one-time “unlock everything” product and to restore purchases. We do not process or store your payment-card data — Apple and Google handle payments.

4. On-device progress & settings

Your high scores, unlocked content, and preferences (language, theme) are stored locally on your device using shared_preferences. This data stays on the device and is not sent to or stored on our servers.

Data we do NOT collect

We do not collect your name, email address, phone number, precise location, contacts, photos, or health data. There is no social login, no user account, and no cloud profile.

Third parties (sub-processors)

Advertising/measurement domains used: googleadservices.com, doubleclick.net, googlesyndication.com, google-analytics.com, app-measurement.com.

Your choices & rights

Data deletion

Uninstalling the App deletes all locally stored data. For any other request, email support@birkinapps.com.

Children

Chroma Dunes is intended for a general audience and is not directed to children under 13. If a user is under 13 (or the applicable age in your region), advertising will not be personalized and analytics is restricted, in line with COPPA and GDPR-K.

Store privacy disclosures

Consistent with Apple’s App Privacy and Google Play’s Data Safety, we declare: Device ID (advertising; used for tracking), Product Interaction (analytics), Purchase History (app functionality).

Changes

We may update this Policy; the “Last updated” date reflects the latest version.

Contact

Birkin Apps — support@birkinapps.com