Privacy Policy
1. Introduction
Asset Trend Simulator ("the App") values and respects user privacy. This Privacy Policy explains how information is collected, used, and disclosed in the App.
2. Information We Collect
2.1 User-Provided Information
The App stores the following information only on your device:
- Income, expenses, and investment amounts
- Asset and liability amounts
- Simulation parameters (period, growth rates, etc.)
- Saved case names and contents
Important: All this information is stored only on your device (local storage) and is never transmitted to external servers or the cloud.
2.2 Advertising Information
The App uses Google AdMob to display advertisements. AdMob may automatically collect:
- Device information (model, OS version, etc.)
- Advertising identifier (IDFA / Advertising ID)
- IP address
- App usage information
- Approximate location
This information is used for ad delivery, personalization, and effectiveness measurement.
3. How We Use Information
3.1 User-Provided Information
- Calculating simulation results
- Saving and managing cases
- Providing app functionality
3.2 Advertising Information
- Displaying and delivering ads
- Ad personalization
- Measuring ad effectiveness
4. Information Sharing and Disclosure
4.1 User-Provided Information
Financial information entered by users is never shared with third parties, including the developer. Everything is stored only on your device.
4.2 Advertising Information
Advertising identifiers and device information may be shared through Google AdMob for:
- Ad delivery to advertising networks
- Ad effectiveness measurement and analysis
For details, please refer to:
5. Data Storage and Deletion
5.1 Storage Period
User data is stored on the device until you uninstall the app or explicitly delete it within the app.
5.2 Data Deletion
- Each item can be deleted individually by swiping
- Saved cases can be deleted from the case list
- Uninstalling the app removes all data
6. Security
User data is stored in local storage (Hive) on your device and protected by iOS's standard security features.
7. Children's Privacy
This app is not intended for children under 13. We do not knowingly collect personal information from children under 13.
8. Third-Party Services
This app uses the following third-party services:
9. Changes to Privacy Policy
This Privacy Policy may be updated as needed. Significant changes will be notified through the app or GitHub repository.
10. Contact Us
For questions about this Privacy Policy:
- Email: bmf.infomation@gmail.com
Last Updated: February 15, 2026