This Privacy Policy explains how the Hydrographic Survey App handles information. The app is designed as a professional tool for surveyors, hydrographers, and students learning surveying techniques.
Zero Data Collection
The app does not collect, store, or transmit any personal data to the developer or to external servers.
The app allows you to enter survey‑related information such as names, notes, measurements, and other project details.
Stored Locally Only
This data is stored locally on your device only.
Never Transmitted
Never uploaded, transmitted, or shared with the developer.
You remain in full control of all information entered into the app. Survey data is retained on your device until you choose to delete it within the App or uninstall the App. The developer does not hold any copies of your data.
The app offers a free trial followed by a subscription to unlock full functionality. All billing and payment processing is handled securely by Google Play and Apple App Store. The app does not collect or store any payment information.
If RevenueCat is used to manage subscriptions:
RevenueCat collects purchase history and an anonymous app instance identifier to determine subscription status.
The app does not track users in any way. We do not use:
No identity‑based information is collected. The app does not require:
Because all data remains on your device, you are responsible for keeping it secure. The app does not transmit or store your data externally.
Your Responsibilities:
If you have questions about this Privacy Policy, you can contact the developer.
[email protected]