Last updated: March 14, 2026
Stack by Stack ("we," "our," or "us") provides a mobile puzzle game for iPhone and iPad. This Privacy Policy explains what information the app stores, what third-party services may process, and what choices you have.
Stack by Stack stores certain data locally on your device so the app can work properly. This may include:
We do not require you to create an account, and we do not operate our own backend server for gameplay data.
If ads are enabled, the app uses Google Mobile Ads to display banner, interstitial, and rewarded ads. The app is configured to request non-personalized ads. Depending on your device, platform settings, and the third-party provider's own systems, Google may process device and network information for ad delivery, fraud prevention, consent handling, and measurement.
If you purchase or restore the one-time "Remove Ads" purchase, Apple may process transaction-related information under its own terms and privacy policies.
If you contact us by email, we will receive the information you include in your message, such as your email address and any support details you choose to provide.
We use information to: