Data You Enter in the App

We do not collect, transmit, or store any personal data on external servers. All information you enter into the app—including your fluid intake, weight, dry weight, fluid loss, and any related notes—is stored locally on your device using secure local storage (SQLite). This data never leaves your device unless you choose to back it up manually.

Information Collected Through RevenueCat (Purchases Only)

We use RevenueCat solely to manage in-app purchases and subscriptions. RevenueCat may collect limited information necessary to verify purchases and maintain your subscription status, including:

RevenueCat does not receive any health data you enter into the app, nor does it collect personal identifiers such as your name, email, or contact information. No advertising identifiers or behavioral tracking data are collected.

We do not collect or store:

Information Collected Through Sentry (Error Monitoring Only)

We use Sentry solely to monitor app performance and diagnose crashes or errors. Sentry helps us identify and fix issues to improve the reliability of the app.

Sentry may collect limited technical information when an error occurs, including:

This information is used strictly for debugging and improving app stability.

We do not send any personal or health-related data to Sentry. Specifically:

All sensitive user data remains stored locally on your device and is not included in any error reports.

No third-party SDKs or APIs are used except RevenueCat and Sentry, which are strictly used for purchase verification and error diagnostics.

All health-related information you enter is used only on your device to help you track trends, view progress, and manage your fluid balance. We do not have access to this data and cannot view, retrieve, or share it.

RevenueCat uses the limited purchase and diagnostic information it collects strictly to:

Sentry uses limited technical and diagnostic information solely to:

We do not use any data for:

All data processed by third-party services is used exclusively for the purposes described above and not for advertising or marketing.

Your information is securely stored on your device using SQLite local storage. We recommend enabling device-level security features (such as passcodes or biometrics) to help protect your data. If you uninstall the app, all stored data will be permanently deleted unless you have manually backed it up.

RevenueCat securely stores the minimal purchase-related information necessary to operate subscription services, in accordance with their privacy and security practices.

Sentry processes limited technical and diagnostic information related to app errors and crashes. This may include device information (such as operating system and app version), error logs, and stack traces. By default, Sentry is configured to not collect personally identifiable information, and we do not enable any features that send personal or health data.

We take reasonable steps to ensure that no sensitive user data entered into the app is included in error reports sent to Sentry.

We do not share, sell, or distribute your personal or health data. There are no advertisements, tracking systems, or analytics platforms that collect or process your personal information for marketing or profiling purposes.

The only external services used are:

Neither service receives any data you enter into the app, including health information, notes, or personal details. These services do not use your data for advertising, tracking, or resale.

All sensitive data remains stored locally on your device and is never transmitted to external servers.

Our mobile applications may be used by individuals under 18 years old but are not specifically marketed toward children. The app does not collect personal data, and all entered information remains on the user’s device. If you are a parent or guardian and believe your child has shared personal information through the app, you can delete the app to remove all locally stored data.

Our apps are designed to support users in tracking health-related metrics such as fluid intake and weight. It is not a medical device and does not provide medical advice. Always consult your healthcare provider for professional medical guidance.

Since all data is stored locally, you have full control over your information. You can:

We may update this Privacy Policy periodically. When changes are made, the new version will replace the old one within the app and will include a new “Last updated” date.

The Thrivital LLC Privacy Policy is written in English and may be provided in other languages for convenience. Thrivital LLC strives to ensure that all translations are as accurate as possible; however, if any discrepancies or inconsistencies arise between a translated version and the English version, the English version shall take precedence. You acknowledge and agree that English is the language of reference for interpreting and understanding this Privacy Policy.

If you have any questions or concerns about this Privacy Policy, please contact us at: support@thrivital.com.