Short version: WhaleWatch collects only the minimum data needed to operate the app. We use Google or Apple Sign-In to identify your account. We do not sell or share your personal information with third parties for advertising purposes.
WhaleWatch is an independent mobile application that monitors public prediction market data from Kalshi and Polymarket and alerts users when large trades ("whale" activity) are detected. The app is developed and operated by an individual developer.
We collect the minimum information necessary to operate the app:
All of the above data is also cached locally on your device using on-device storage to provide a seamless experience between sessions.
We do not collect your name, phone number, location, or financial account information.
Your data is used solely to:
We do not use your data for advertising, analytics, profiling, or any purpose other than delivering the app's core functionality.
We do not sell, rent, or share your data with third parties, except as necessary to operate the service:
Your device token and preferences are stored on our server for as long as you use the app. If the app is uninstalled, your device token will eventually expire and be removed from our server. You can also reset your preferences at any time within the app.
WhaleWatch is intended for users aged 18 and older. We do not knowingly collect data from anyone under 18. Prediction markets involve financial risk and are not appropriate for minors.
All communication between the app and our server uses HTTPS encryption. Device tokens are not human-readable identifiers and cannot be used to identify or contact you.
Depending on your jurisdiction, you may have the following rights regarding your data:
To request deletion of your data, contact us at periscopeapps@proton.me with the email address associated with your Google or Apple account. Your device ID (found in app settings) may also be used to locate your data.
We may update this privacy policy from time to time. Any changes will be posted at this URL. Continued use of the app after changes constitutes acceptance of the updated policy.
WhaleWatch is for informational purposes only. Nothing in this app constitutes financial, investment, or trading advice. Large trades shown in the app may reflect speculation, hedging, or error — not inside knowledge. Past whale activity is not predictive of future outcomes. Always conduct your own research and never risk more than you can afford to lose.
If you have questions about this privacy policy or wish to request data deletion, please contact us through the app's listing on the Apple App Store or Google Play Store, or by email at periscopeapps@proton.me.