Privacy Policy

Last updated: October 11, 2026

This Privacy Policy explains how the iOS game Cubo: 3D Block Puzzle("Cubo", "the app", "we") handles your information. We built Cubo to be a simple puzzle game, and we keep data collection to the minimum. By using the app you agree to this policy.

No account, no login

Cubo does not require you to create an account, sign in, or give us your name, email address, or any other personal contact details. You can play the entire game without ever identifying yourself to us.

Your puzzle progress stays on your device

All of your game data, meaning solved puzzles, your current progress, scores, and settings, is stored locally on your device only. We do not upload it to any server and we cannot see it. If you delete the app, this data is removed with it.

Advertising (Google AdMob)

Cubo shows ads through Google AdMob. To serve ads, AdMob may collect and process certain information, including device identifiers (such as an advertising ID), approximate location derived from your IP address, and basic device and usage data. This data is used by Google to deliver and measure ads. You can review Google's practices in the Google Privacy & Terms documentation.

App Tracking Transparency (ATT)

On iOS, Cubo presents Apple's App Tracking Transparency prompt. This lets you choose whether the app and its ad partners may use your device's advertising identifier to track you across other companies' apps and websites. If you decline, you will still see ads, but they will be less personalized.

EU consent (Google UMP)

If you are in the European Economic Area, the United Kingdom, or Switzerland, Cubo uses Google's User Messaging Platform (UMP) to show a consent message before personalized ads are served. Your choices there control how your data may be used for advertising, in line with GDPR and related laws. You can change your consent at any time from within the app.

In-app purchases ("Remove Ads")

Any in-app purchase Cubo offers, such as a one-time "Remove Ads" unlock, is handled entirely by Apple's StoreKit and the App Store. Apple processes the payment; we never see or store your payment card details. Apple confirms the purchase to the app so that ads can be disabled on your device.

Recommendations for our other apps

In Settings, the app can fetch up to three recommendations for our other apps. The choices depend on the app you are using, App Store availability and iOS compatibility, not on your personal data or activity inside the app. App icons load from Apple’s image servers. Opening a recommendation takes you to the App Store with a campaign label identifying the source app and placement, never a person.

We count qualified views and successful opens in aggregate. Our service stores daily counts with the source app, recommended app, placement, configuration revision and optional presentation variant. It does not store an account, advertising identifier, device identifier, persistent visitor identifier or personal profile, and it does not receive the app’s private content. These counts cannot tell us who installed an app.

The recommendation service is hosted by Supabase. Network requests necessarily expose an IP address to the hosting provider for delivery and security; our aggregate counter does not store it. See Supabase’s privacy policy. Apple processes icon requests and App Store visits under Apple’s privacy policy.

Analytics

Alongside Google AdMob, the recommendation service described above counts views and accepted App Store opens in aggregate. We do not build personal profiles from these recommendation counts.

Children

Cubo is not directed at children under 13, and we do not knowingly collect personal information from them.

Changes to this policy

We may update this policy from time to time. When we do, we will revise the "Last updated" date above. Significant changes will be reflected here.

Contact

If you have any questions about this Privacy Policy, contact us at levin.schwab@gmx.de.