- IP address, device model, OS, app version
- GAID, ANDROID_ID, and similar identifiers
- Usage Data — puzzles completed, session length
- Crash logs and diagnostics
- Network and carrier information
Cozydoku: Daily Brain Games
Privacy Policy · Effective: June 10th, 2026
Definitions
| Term | Meaning |
|---|---|
| Application | Cozydoku: Daily Brain Games and related services |
| Company | The operator ("we," "us," "our") |
| Personal Data | Information relating to an identifiable individual |
| Usage Data | Data generated automatically through use |
| Device | Hardware used to access the Application |
| Service Provider | Third parties processing data on our behalf |
| Account | Your profile or session within the app |
Information Collection
Our systems automatically record technical data when you use the app:
- Advertising IDs (GAID, IDFA)
- Engagement metrics
- PayPal email and name (withdrawals only)
Use of Information
- Operate — run sudoku and brain game features
- Accounts — registration, login, settings
- Transactions — process PayPal withdrawals securely
- Communication — updates, support, notifications
- Analytics — usage trends, campaign effectiveness, improvements
- Corporate — mergers, restructuring, legal compliance
Opting Out
Android: Settings → Google → Ads → Opt out of Ads Personalization
iOS: Settings → Privacy & Security → Tracking → limit ad tracking
Email wangtaonice2024@gmail.com with subject "Do Not Sell My Personal Data".
Your Privacy Rights
- Access
- Rectification
- Erasure
- Restrict processing
- Object
- Know / Access & confirm
- Delete
- Opt-Out / Opt-out of targeted ads
- Non-Discrimination
- Correct / Data portability (VCDPA)
Contact wangtaonice2024@gmail.com to exercise any right.
App Permissions
| Permission | Purpose | Data |
|---|---|---|
INTERNET | Connectivity, ads, updates | Network status |
ACCESS_NETWORK_STATE | Connection quality | Network type |
ACCESS_WIFI_STATE | Wi-Fi stability | Wi-Fi status |
AD_ID | Ad delivery | Resettable ad ID |
VIBRATE | Haptic feedback | None |
ACCESS_ADSERVICES_TOPICS | Ad topics | Topic signals |
ACCESS_ADSERVICES_ATTRIBUTION | Attribution | Campaign data |
BIND_GET_INSTALL_REFERRER_SERVICE | Install tracking | Referrer |
BIND_APPHUB_SERVICE | Ad via AppHub | Ad params |
ACCESS_ADSERVICES_AD_ID | Ad API compliance | Ad service IDs |
FOREGROUND_SERVICE | Background tasks | None |
DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION | Internal messaging | None |
Third-Party & Ad Partners
Ads are served through AppLovin and its mediation network.
- Ad IDs (resettable)
- Device model, OS, screen
- Session metrics
- Ad interactions
- Country, language
- Email, phone
- Credentials
- Progress tied to identity
- Precise GPS
- PayPal payout details
Partner privacy policies
Analytics & Endpoints
Backend: https://rye.cozydokus.com
- TLS 1.2+ encryption in transit
- Role-based access controls
- Data minimization
- Periodic security audits
- DPAs with subprocessors
Data Security
Industry-standard protections: encryption in transit, strict access policies, scheduled vulnerability assessments, and contractual security requirements for all partners.
Children's Privacy
Cozydoku: Daily Brain Games is not for users under 13. Contact wangtaonice2024@gmail.com to request deletion if a child has provided data.
Data Retention
Personal data is deleted after 90 consecutive days of inactivity. Anonymized usage data may persist for analytics.
International Transfers
Personal data may be processed abroad with TLS 1.2+ and contractual safeguards ensuring equivalent protection.
Disclosure Requirements
- Business transactions
- Data may transfer during mergers, acquisitions, or asset sales
- Law enforcement
- We comply with valid legal process and regulatory requests
- Safety
- We may disclose data to prevent fraud, abuse, or harm
Third-Party Links
External sites have their own policies. Review them before sharing personal data.
Do Not Track Signals
Some browsers transmit Do Not Track (DNT) signals. We do not currently respond to DNT signals uniformly across all platforms. Use device ad settings to limit tracking.
Changes to This Policy
- Updates posted here with a revised effective date
- Material changes notified via email or in-app notice
- Continued use constitutes acceptance
Contact Us
Privacy questions or data subject requests:
In-App: Settings → Help & Support
We respond within 48 hours.