Privacy Policy for Risk Rank
Effective Date: March 13, 2026
1. Overview
Risk Rank ("the App") is a portfolio optimization tool developed for Android. This policy explains what data we collect, how we use it, and your rights.
2. Data We Collect
We do not collect, store, or transmit any personal information to our servers. Specifically:
- Portfolio data (ticker symbols, saved portfolios) is stored exclusively on your device using local storage.
- No account or login is required to use the App.
- No analytics or tracking SDKs are used.
Third-party services used by the App:
Yahoo Finance (public API) is used to fetch historical price data. Their privacy policy is available at yahoo.com/privacy.
Google AdMob is used to display ads to free-tier users. Their privacy policy is available at policies.google.com/privacy.
Google Play Billing is used to process in-app purchases. Their privacy policy is available at policies.google.com/privacy.
3. Advertising (Free Tier)
Free users see ads served by Google AdMob. AdMob may use device identifiers and usage data to serve personalized ads. You can opt out of personalized ads via your device settings under
Google → Ads → Opt out of Ads Personalization.
4. In-App Purchases
Purchase transactions are handled entirely by Google Play. We do not receive or store your payment information.
5. Children's Privacy
The App is not directed at children under 13 and we do not knowingly collect data from children.
6. Changes to This Policy
We may update this policy. Continued use of the App after changes constitutes acceptance. The effective date at the top will always reflect the latest version.
7. Contact
Questions? Contact us at: [drklaw25@gmail.com]