Last Updated: June 22, 2026
WaterKit ("App") collects minimal personal information necessary to provide its services:
Your information is used solely to:
All your data is stored locally on your device using SwiftData. If iCloud Sync is enabled, your data is encrypted and stored in your personal iCloud account using CloudKit. We do not have access to your iCloud data. Data shared with the Widget and Apple Watch is transferred through a shared App Group container using UserDefaults.
We do not sell, trade, or share your personal information with third parties. Your data remains on your device and in your personal iCloud account.
The App uses HealthKit to:
Health data is never shared with third parties. You can revoke HealthKit access at any time in the iOS Settings app under Privacy & Security → Health.
The App sends local notifications for hydration reminders. These are processed entirely on your device. We do not use push notification services that transmit data to external servers. You can disable or manage notification permissions at any time in your device's Settings.
Your data is retained as long as you use the App. You can delete your data at any time by:
The App is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13.
Depending on your jurisdiction, you may have the right to access, correct, or delete your personal data. Since all data is stored locally on your device or in your personal iCloud, you have full control over your data at all times.
We may update this Privacy Policy from time to time. We will notify you of any material changes by updating the "Last Updated" date on this page.
If you have any questions about this Privacy Policy, please contact us at jusuoli2006@163.com.