Last updated: April 3, 2026
This privacy policy applies to all PlumbTools applications ("Apps") available on Google Play and the Apple App Store.
Data Collection
PlumbTools apps are designed to work offline. We do not collect, store, or share your personal data. All calculation data is stored locally on your device.
Third-Party Services
Our apps use the following third-party services:
- Google Analytics (Firebase Analytics) — collects anonymous usage statistics (app opens, feature usage) to help us improve the apps. No personally identifiable information is collected.
- Firebase Crashlytics — collects anonymous crash reports and error stack traces to help us fix bugs. No personal data is included.
- Google AdMob — displays advertisements in the free version. AdMob may use device identifiers for ad personalization. You can opt out of personalized ads in your device settings. Pro users see no ads.
- Google Play Billing — processes in-app purchases. Payment information is handled entirely by Google and is not accessible to us.
Data Storage
All calculation history and settings are stored locally on your device using encrypted storage. We never transmit your calculation data to any server.
Data Deletion
You can delete all app data at any time by:
- Using the "Clear History" option in the app settings
- Uninstalling the app from your device
Children's Privacy
Our apps are not directed at children under 13. We do not knowingly collect any information from children.
Changes
We may update this privacy policy from time to time. Any changes will be posted on this page with an updated date.
Contact
If you have questions about this privacy policy, contact us at: [email protected]