Privacy Policy
Aquarium Water Log — Last updated: June 23, 2026
1. Overview
Aquarium Water Log ("the App") is a free Android app developed by 강건한건강 ("we", "us"). It lets fishkeepers log water parameters (pH, ammonia, nitrite, nitrate, KH/GH, salinity, calcium, alkalinity and more) per tank, track trends over time, and export their readings as CSV. This Privacy Policy explains how we handle information when you use the App.
2. Information We Collect
The App does not collect, store, or transmit any personal information to our servers. It has no user accounts and no server-side communication other than loading advertisements (see Section 3). All tanks and water-test entries you create are stored locally on your device only.
3. Third-Party Services
The App uses the following third-party service:
- Google AdMob — for displaying advertisements. The App shows a banner, a full-screen ad at natural breaks, and an app-open ad on launch. AdMob may collect device identifiers (such as Advertising ID) and usage data to serve personalized or non-personalized ads. For more information, see the Google Privacy Policy.
4. Data Export
You may optionally export your readings as a CSV file using your device's native share sheet. This action is entirely under your control; the App does not upload your data anywhere. Where the exported file is sent is determined solely by you.
5. Data Storage
The App does not create user accounts and does not sync any data to the cloud. All tanks, readings, and settings stay on your device. Uninstalling the App removes all stored data along with any cached AdMob data.
6. Children's Privacy
The App is suitable for general audiences and is not directed at children under the age of 13. We do not knowingly collect personal information from children.
7. Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.
8. Contact Us
If you have any questions about this Privacy Policy, please contact us at: [email protected]