Privacy Policy
How Hydroly collects, uses, stores, and protects your information.
Last updated · September 2026Hydroly is designed to help you build healthier hydration habits through simple, personalized tracking. This Privacy Policy explains what information we collect, how we use it, and the choices you have when using the Hydroly mobile application.
Information We Collect
Depending on how you use Hydroly, we may collect or process the following categories of information.
Information You Provide
- Email address and account information when you choose to create an account.
- Hydration preferences and settings you provide during onboarding or while using the app.
- Information you provide when contacting us for support.
Hydration & Wellness Information
- Daily hydration targets and preferences.
- Water intake and hydration logs.
- Activity and environmental information used to personalize hydration recommendations.
- Streaks, achievements, statistics, and related app activity.
Device & Technical Information
We may process technical information required to operate, maintain, and improve the application, such as device information, application performance information, crash information, and anonymous identifiers.
Subscription Information
When you purchase a Hydroly subscription, subscription and entitlement information may be processed through Apple, Google, and RevenueCat. Hydroly does not store your payment card or banking information.
Local Storage & Offline Use
Hydroly is designed to support offline use. Certain information, including hydration logs, streaks, achievements, and preferences, may be stored locally on your device.
If you use Hydroly without creating an account, information stored only on your device may be permanently lost if the application is deleted or the device's application data is cleared.
Important: Local data may not be recoverable after uninstalling Hydroly when that information has not been synchronized with an account.
Accounts & Synchronization
Hydroly can be used without an account. If you choose to create an account, account information may be used to support authentication and synchronization of supported Hydroly data across devices.
We use authentication and backend services to securely manage account access and supported synchronization functionality.
Notifications
Hydroly may use notifications to help you maintain your hydration routine, including reminders to drink water and other relevant application notifications.
You can control notification permissions through your device settings.
How We Use Your Information
Information processed by Hydroly may be used to:
- Provide and operate hydration tracking features.
- Calculate and maintain your hydration targets.
- Track hydration history, streaks, achievements, and statistics.
- Provide personalized hydration-related features.
- Process and verify subscription entitlements.
- Restore eligible purchases.
- Diagnose crashes and improve application stability.
- Understand application performance and improve the Hydroly experience.
- Respond to support requests and communications.
We do not sell your personal information.
Third-Party Services
Hydroly relies on selected third-party services to provide certain application functionality.
Firebase
Hydroly may use Firebase services for functionality such as authentication, crash reporting, remote configuration, analytics, and application performance monitoring, depending on the features enabled in the current version of the application.
RevenueCat
RevenueCat is used to manage subscription information and verify subscription entitlements. RevenueCat does not process your payment directly; purchases are processed through the applicable app store.
Apple App Store & Google Play
Purchases and subscriptions are processed by Apple or Google, depending on the platform you use. Their respective privacy policies and terms govern information they collect as part of those transactions.
How We Share Information
We may share or provide access to information with service providers that help us operate Hydroly, such as authentication, analytics, crash reporting, infrastructure, and subscription-management providers.
We do not sell personal information to third parties.
We may also disclose information when required to do so by applicable law, legal process, or a valid governmental request.
Data Retention
We retain information for as long as reasonably necessary to provide the services, maintain your account where applicable, comply with legal obligations, resolve disputes, and enforce our agreements.
Information stored locally on your device may remain there until you delete it, clear the application data, or uninstall Hydroly.
Data Deletion
If you have a Hydroly account and would like your account information deleted, you can contact us using the email address provided below.
Some information may need to be retained where required by law or where necessary for legitimate business purposes, such as resolving disputes or maintaining transaction records.
Data Security
We take reasonable technical and organizational measures to protect information processed through Hydroly. These measures are intended to reduce the risk of unauthorized access, alteration, disclosure, or destruction.
However, no method of electronic storage or transmission over the internet can be guaranteed to be completely secure.
Your Privacy Rights
Depending on where you live, you may have rights regarding your personal information, including rights to access, correct, delete, or restrict certain processing of your information.
To exercise applicable privacy rights, contact us using the details provided below.
International Data Processing
Some of the third-party services used by Hydroly may process information on servers located outside your country of residence. Where applicable, these providers are responsible for implementing appropriate safeguards for the information they process.
Children's Privacy
Hydroly is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13.
If you believe that a child has provided us with personal information, please contact us so that we can take appropriate action.
Health & Wellness Disclaimer
Hydroly is a wellness and hydration tracking application, not a medical device or medical service.
Hydration targets and recommendations provided by Hydroly are intended for general wellness purposes and should not be considered medical advice, diagnosis, or treatment.
If you have a medical condition, take medication that affects fluid balance, or have been advised to restrict or increase your fluid intake, consult an appropriate healthcare professional before relying on hydration recommendations.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes to Hydroly, our services, or applicable legal requirements.
When we make changes, we will update the "Last updated" date at the beginning of this policy.
Contact Us
If you have questions about this Privacy Policy, your information, or your privacy rights, you can contact us at: