Last updated: May 29, 2026
Libre (“the app”) is a quit-smoking companion app developed by Filipe Lacerda. This Privacy Policy explains how the app handles your information.
Summary: Libre does not collect, transmit, or share any personal data. All data is stored exclusively on your device.
Libre does not collect any personal data. The app does not require account creation, login, or any form of identification.
The following information is stored locally on your device only and never transmitted to any server:
| Data | Purpose |
|---|---|
| Quit date | Calculate smoke-free time |
| Cigarettes per day | Calculate cigarettes avoided |
| Price per pack | Calculate money saved |
| Journal entries | Personal cravings diary |
| Achievement progress | Track unlocked milestones |
| Language preference | App interface language |
We do not sell, trade, rent, or share your data with any third party. Your data never leaves your device.
Libre does not integrate with analytics platforms, advertising networks, or any third-party data services.
The app may request permission to send push notifications to remind you of your progress and milestones. These notifications are generated and delivered locally on your device. No personal data is transmitted to send these notifications.
You can disable notifications at any time in your device settings.
All app data is stored using AsyncStorage on your device. Data is not backed up to any cloud service by the app itself. If you uninstall the app, all stored data is permanently deleted.
Libre is not directed at children under the age of 13. We do not knowingly collect any information from children.
We may update this Privacy Policy from time to time. Any changes will be reflected on this page with an updated date. Continued use of the app after changes constitutes acceptance of the new policy.
If you have any questions about this Privacy Policy, please contact:
Filipe Lacerda 📧 filipeclacerda@gmail.com
This app was built with Expo and stores all data locally using AsyncStorage.