Marble City privacy policy

Marble City has no accounts, no ads, no analytics and no tracking.

The app sends nothing to us or to anyone else.

If you buy the expansion, your device's app store handles the purchase. We only learn whether the unlock is owned.

Questions: contact@upstreampartners.co

Published by UpstreamPartners, LLC. Effective 11 October 2026.

Children

Marble City is made for children. We collect no personal information from anyone, including children. There are no accounts, ads, analytics or tracking, and the app sends nothing to us or to anyone else. A purchase is made by a grown-up through Apple or Google with their own account; we only learn whether the unlock is owned.

Marble City support