Data Policy

Last updated: 03.12.2025

This Privacy Policy explains how personal data is collected, used, and protected in the mobile game “Kayak Rush”, developed by Stefan Scherrer, Switzerland. It applies to users worldwide, including the EU (GDPR) and Switzerland (DSG).

1. Data Controller

Stefan Scherrer
Switzerland
Email: scherrerstefan@bluewin.ch

The data controller is responsible for determining the purposes and means of the processing of personal data.

2. Data Collected

When using Kayak Rush, the following types of personal data may be processed:

Device and Technical Data

• Device model, operating system version

• IP address (processed in shortened/anonymized form by Google)

• Language, region, and app settings

• Crash data and performance data
  
  

Advertising and Analytics Data (Google AdMob)

• Advertising ID (AAID for Android / IDFA for iOS)

• Approximate location (country/region; no GPS or precise location)

• Interactions with ads (e.g., impressions, clicks)

• App usage data relevant to ad performance and frequency capping
  
  

Gameplay Data

• Game progress

• Session duration, in-app activity

No account creation is required, and no sensitive personal data is collected.

3. Purposes and Legal Basis

3.1 App Functionality

To operate the game, provide features, and ensure stability.
Legal basis (EU): Art. 6(1)(b) GDPR – contract performance.

3.2 App Improvement & Error Diagnostics

To analyze performance issues and improve stability.
Legal basis (EU): Art. 6(1)(f) GDPR – legitimate interest.

3.3 Advertising (Google AdMob)

Ads help keep the game free.
Personalized ads are shown only after consent (Art. 6(1)(a) GDPR).
Without consent, only non-personalized ads are shown.

Consent can be withdrawn at any time through in-app settings or device-level advertising settings.

4. Google AdMob

We use Google AdMob, provided by Google Ireland Ltd.

Google processes the following data as an independent controller (in some cases joint controller), including:

• Advertising ID

• Device information

• Approximate location

• App interactions and ad events

• Cookie-like identifiers for ad measurement

Google may show personalized or non-personalized ads depending on your consent.

Google may use automated decision-making and profiling for the purpose of delivering personalized ads, provided you have given consent (Art. 22 GDPR). This includes building interest categories based on app usage and device identifiers. 

More information:
https://policies.google.com/technologies/ads

5. Data Sharing

We do not share personal data with third parties, except Google AdMob for advertising purposes (see no. 4)

International Transfers

Data may be transferred to countries outside your jurisdiction (e.g., the USA).
Google relies on Standard Contractual Clauses (SCCs) and additional safeguards.

6. Data Retention

• Advertising and analytics data: retained according to Google’s retention policies (typically 30–390 days).

• Gameplay data is stored locally on your device and deleted when you uninstall the app or reset the game. 

• Users may reset or limit their Advertising ID at any time in their device settings.

7. Your Rights

Depending on your region, you may have the right to:

• Access your personal data

• Correct inaccurate data

• Request deletion

• Restrict processing

• Object to processing

• Data portability

• Withdraw consent at any time
  
  

EU users can lodge complaints with their local supervisory authority.
Swiss users may contact the Federal Data Protection and Information Commissioner (FDPIC/EDÖB).

For requests: scherrerstefan@bluewin.ch

8. Children

Kayak Rush is intended for users aged 13 and older.

The app is not directed at children under 13. For all users in the EU/EEA personalized ads are only shown with consent via the consent dialog. Otherwise only non-personalized ads or no ads are delivered.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in the app or legal requirements.
The updated version will always be available within the app and/or on the accompaning website.