Privacy Policy
Last Updated: October 15, 2025
No Caf (the "App") values your privacy and complies with applicable privacy laws. This Privacy Policy explains what information we collect, how we use it, and how we protect it.
1. Information We Collect
The App collects the following information, stored only on your device:
Local Storage (Stored on Device Only)
- Caffeine Intake Records: Drink type, caffeine amount (mg), consumption time
- Sleep Time Settings: Your preferred bedtime
- App Usage Data: First launch flag and last activity time
The App does NOT collect sensitive health information, location data, contacts, or any personally identifiable information. No account or login is required.
2. How We Use Your Information
Collected information is used solely for the following purposes:
- Real-time calculation and visualization of caffeine levels in your body
- Managing caffeine intake history and providing statistics
- Alerting estimated time when caffeine may interfere with sleep
- Storing user preferences and providing personalized features
- Improving app performance and fixing bugs
3. Data Storage and Retention
Local Storage Only
- All data is stored locally on your device using SharedPreferences