# Privacy Policy - Brainwave Generator
**Effective Date:** January 1, 2025
**Last Updated:** January 1, 2025
## Overview
Brainwave Generator is a privacy-first application designed to generate binaural beats and ambient sounds for relaxation, meditation, and focus. We are committed to protecting your privacy and ensuring you have full control over your data.
## Data Collection
**We collect minimal data necessary for app functionality and advertising.**
### Data We Do NOT Collect:
- ❌ Personal information (name, email, phone number)
- ❌ Financial information (handled by Apple/Google)
- ❌ Health and fitness information
- ❌ Precise location data
- ❌ Contacts
- ❌ Messages or communications
- ❌ Photos or videos
- ❌ Audio recordings
- ❌ Usage analytics beyond advertising
### Data We DO Collect:
- ✓ **Advertising Identifier (IDFA/GAID)**: Used by Google AdMob to show relevant ads
- ✓ **Device Information**: Basic device type and OS version for ad compatibility
- ✓ **App Interaction Data**: Which ads you view or click (handled by AdMob)
**Important:** All advertising data is collected and processed by Google AdMob, not directly by us.
## App Permissions
Our app requests the following permissions and here's why:
### 🔊 **Audio Control**
- **MODIFY_AUDIO_SETTINGS**: To adjust audio settings for optimal binaural beat playback
- **Purpose**: Control audio focus and settings for better sound quality
- **No Recording**: We do NOT record audio from your microphone
### 🔔 **Notifications**
- **POST_NOTIFICATIONS**: To show session timers and meditation reminders
- **Purpose**: Display local notifications for completed sessions and alarms
- **Local Only**: All notifications are generated locally on your device
### ⏰ **Alarm & Wake-up**
- **WAKE_LOCK**: To keep progressive wake-up sessions running
- **USE_EXACT_ALARM / SCHEDULE_EXACT_ALARM**: For precise alarm timing
- **RECEIVE_BOOT_COMPLETED**: To restore alarms after device restart
- **Purpose**: Ensure alarm functionality works reliably
- **Local Only**: All alarms are processed locally on your device
### 🚀 **Background Services**
- **FOREGROUND_SERVICE**: To run audio sessions in the background
- **Purpose**: Continue playing binaural beats when app is minimized
- **Local Only**: No data is transmitted during background operation
## Data Storage
All app settings and preferences are stored **locally** on your device using:
- Android SharedPreferences
- Local device storage only
- No cloud storage
- No external servers
Settings include:
- ✅ Audio volume preferences
- ✅ Last used presets
- ✅ Session duration settings
- ✅ Ambient sound preferences
- ✅ Alarm configurations
## Data Sharing
**We share limited data only with essential service providers:**
### Third-Party Services We Use:
- ✅ **Google AdMob**: For displaying advertisements
- Collects: Advertising ID, device info, ad interaction data
- Purpose: Show relevant ads and measure ad performance
- Privacy Policy: https://policies.google.com/privacy
- AdMob SDK Privacy: https://support.google.com/admob/answer/6128543
- ✅ **Apple App Store / Google Play**: For subscription management
- Collects: Purchase history, payment info (not accessible to us)
- Purpose: Process subscriptions and refunds
- We receive only anonymized transaction confirmations
### What We DO NOT Share:
- ❌ No social media integration
- ❌ No cloud backup services
- ❌ No additional analytics services
- ❌ No direct data sales to third parties
## Internet Connectivity
This app requires **minimal internet connectivity** only for advertisements.
- ✅ All audio files are bundled with the app
- ✅ Core features (audio generation, alarms) work offline
- ⚠️ Internet required for: Loading ads, verifying subscriptions
- ✅ No telemetry or usage tracking beyond AdMob
## Children's Privacy
Our app is safe for users of all ages. Since we do not collect any personal information, we comply with COPPA (Children's Online Privacy Protection Act) and similar international regulations.
## Data Security
Even though we don't collect personal data, we ensure:
- ✅ All local data is stored securely on your device
- ✅ App follows Android security best practices
- ✅ No sensitive data transmission
- ✅ Regular security reviews of app code
## Your Rights
Since we don't collect personal data, traditional data rights (access, deletion, portability) are not applicable. However:
- ✅ You can uninstall the app to remove all local data
- ✅ You can clear app data through Android settings
- ✅ All data remains under your complete control
## Changes to Privacy Policy
We may update this privacy policy to reflect changes in our practices or for legal compliance. Any updates will be reflected in the "Last Updated" date at the top of this document.
## Third-Party Services
### Google AdMob
This app uses Google AdMob to display advertisements. AdMob may collect and process:
- Advertising identifiers (IDFA on iOS, GAID on Android)
- IP address (for general location, not precise)
- Device information and OS version
- Ad interaction data (views, clicks)
**Your Choices:**
- On iOS: You can opt out of personalized ads via Settings → Privacy → Tracking
- On Android: You can opt out via Settings → Google → Ads → Opt out of Ads Personalization
- Premium Subscription: Removes all ads entirely
**AdMob Privacy Resources:**
- Google Privacy Policy: https://policies.google.com/privacy
- AdMob & GDPR: https://privacy.google.com/businesses/compliance/
- How Google uses data: https://policies.google.com/technologies/partner-sites
### Apple App Store / Google Play Billing
Subscription payments are processed entirely by Apple/Google. We receive only:
- Confirmation that a subscription is active
- Subscription tier and expiration date
- No payment card information or personal details
## Contact Information
If you have any questions about this Privacy Policy or our privacy practices, please contact us:
**Email:** fatih@antagrioin.com
**Website:** antagiroin.com
**GitHub:** https://github.com/brainwave-technologies/brainwave-generator
## Compliance
This privacy policy is designed to comply with:
- Google Play Store Data Safety requirements
- General Data Protection Regulation (GDPR)
- California Consumer Privacy Act (CCPA)
- Children's Online Privacy Protection Act (COPPA)
- Other applicable privacy laws
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**Summary: This app is completely privacy-friendly. We don't collect, store, or share any personal data. All functionality is local to your device.**