# Privacy Policy
Last updated: November 12, 2025
PROSORUS built the Rental Calculator 4K app as a Commercial app. This SERVICE is provided by PROSORUS and is intended for use as is.
This page is used to inform visitors regarding my policies with the collection, use, and disclosure of Personal Information if anyone decided to use my Service.
## Information Collection and Use
I am pleased to inform you that this app does not collect, store, or share any personally identifiable information.
* No User Accounts: You do not need to create an account to use the app.
* Local Processing: All rental analysis, cash flow, and ROI calculations are performed locally on your device. Your property input data remains on your phone and is not transmitted to any external server.
* No Sensor Access: This app does not request access to your camera, microphone, location (GPS), or contact list.
## Payments and Financial Data
This app requires a one-time purchase fee.
* We do not collect or store your financial data..
* Google Play Handling: All financial transactions are handled directly by Google Play. We never see your credit card number, billing address, or bank details.
* License Verification: The app may communicate with Google Play Services to verify that you have a valid license to use this application (anti-piracy check).
## Third-Party Services
The app uses third-party services that may collect information used to identify you for the purpose of core system functionality (e.g., license verification and system logs).
Link to privacy policy of third-party service providers used by the app:
* [Google Play Services](https://www.google.com/policies/privacy/)
## Log Data
I want to inform you that whenever you use my Service, in a case of an error in the app I collect data and information (through third-party products) on your phone called Log Data. This Log Data may include information such as your device Internet Protocol (“IP”) address, device name, operating system version, the configuration of the app when utilizing my Service, the time and date of your use of the Service, and other statistics.
## Security
I value your trust. Since this app does not collect personal data, your financial inputs are not exposed to external data breaches through our servers. Furthermore, your payment information is secured by Google's encryption and payment processing standards.
## Children’s Privacy
These Services do not address anyone under the age of 13. I do not knowingly collect personally identifiable information from children under 13.
## Changes to This Privacy Policy
I may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. I will notify you of any changes by posting the new Privacy Policy on this page.
## Contact Us
If you have any questions or suggestions about my Privacy Policy, do not hesitate to contact me at solutions@problemsolversrus.com .