Privacy Policy
Last updated: June 2026
The short version: QuitCoach AI stores all your personal data locally on your device. We do not collect, sell, or share your personal information. The only data that leaves your device is the content of your AI coaching sessions, which is processed by Anthropic to generate responses and is not stored or used to train AI models.
1. Who we are
QuitCoach AI is operated by Brittenlabs, based in Davao City, Philippines. If you have questions about this policy, contact us at brittenlabs@gmail.com.
2. What data we collect
QuitCoach AI is designed to be offline-first. The vast majority of your data never leaves your device.
Data stored only on your device (never transmitted):
- Your quit date and quit type (smoking, vaping, NRT)
- Your reasons for quitting (your "why")
- Mood logs and emotion labels
- Craving logs, trigger data, and tool usage
- Withdrawal symptom logs
- NRT compliance logs
- Milestone and badge data
- Situation planner entries and coping plans
- Urge surfing journal entries
- Cost and savings data
Data transmitted when using the AI coach:
- The content of your coaching session messages
- A summary of your quit profile (days smoke-free, quit type, mood trend, craving patterns) sent as context to help your coach respond accurately
- An anonymous device identifier used solely for rate limiting purposes
3. How AI coaching data is handled
Coaching sessions are processed via Anthropic (the maker of Claude AI) through our secure Cloudflare Worker proxy. Anthropic's API processes your messages to generate coaching responses. Per Anthropic's API terms, data submitted via the API is not used to train AI models.
We do not log, store, or retain the content of your coaching sessions on our servers. Session messages exist only in transit and are not saved anywhere outside your device.
4. Data we do not collect
- We do not collect your name, email address, or any contact information
- We do not collect location data
- We do not use advertising SDKs or analytics trackers
- We do not sell your data to third parties
- We do not share your data with third parties except as described in Section 3
5. Children's privacy
QuitCoach AI is not intended for users under the age of 18. We do not knowingly collect data from minors. If you believe a minor has used the app, please contact us and we will take appropriate action.
6. Data retention and deletion
Because all personal data is stored locally on your device, you can delete all data at any time by uninstalling the app. Uninstalling QuitCoach AI removes all locally stored data permanently.
7. Security
All data transmitted between the app and our servers uses HTTPS encryption. Local data is stored in an SQLite database on your device, protected by your device's built-in security.
8. Changes to this policy
We may update this privacy policy from time to time. We will notify users of significant changes through the app. Continued use of the app after changes constitutes acceptance of the updated policy.
9. Contact
For privacy-related questions or requests, contact us at brittenlabs@gmail.com.