Cozydoku: Daily Brain Games — Privacy Policy

Cozydoku: Daily Brain Games

Privacy Policy · Effective: June 10th, 2026

Your privacy matters. This document explains how Cozydoku: Daily Brain Games collects and uses your personal data, and what control you have over it.

Definitions

TermMeaning
ApplicationCozydoku: Daily Brain Games and related services
CompanyThe operator ("we," "us," "our")
Personal DataInformation relating to an identifiable individual
Usage DataData generated automatically through use
DeviceHardware used to access the Application
Service ProviderThird parties processing data on our behalf
AccountYour profile or session within the app

Information Collection

Our systems automatically record technical data when you use the app:

Automatic
  • 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
With consent
  • 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

When We Share Your Data

  • Service providers — hosting, analytics, support, payments
  • Business transfers — mergers, acquisitions, asset sales
  • Affiliates — entities under common control
  • Business partners — joint features you choose
  • Legal obligations — valid legal process
  • Your consent — purposes you authorize
PayPal Data Protection: PayPal email and payout details are never sold or rented. Shared only for withdrawals, fraud prevention, or legal requirements.

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

GDPR (EEA)
  • Access
  • Rectification
  • Erasure
  • Restrict processing
  • Object
CCPA / CPRA & VCDPA
  • 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

PermissionPurposeData
INTERNETConnectivity, ads, updatesNetwork status
ACCESS_NETWORK_STATEConnection qualityNetwork type
ACCESS_WIFI_STATEWi-Fi stabilityWi-Fi status
AD_IDAd deliveryResettable ad ID
VIBRATEHaptic feedbackNone
ACCESS_ADSERVICES_TOPICSAd topicsTopic signals
ACCESS_ADSERVICES_ATTRIBUTIONAttributionCampaign data
BIND_GET_INSTALL_REFERRER_SERVICEInstall trackingReferrer
BIND_APPHUB_SERVICEAd via AppHubAd params
ACCESS_ADSERVICES_AD_IDAd API complianceAd service IDs
FOREGROUND_SERVICEBackground tasksNone
DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSIONInternal messagingNone

Third-Party & Ad Partners

Ads are served through AppLovin and its mediation network.

May share
  • Ad IDs (resettable)
  • Device model, OS, screen
  • Session metrics
  • Ad interactions
  • Country, language
Never share
  • 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

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:

wangtaonice2024@gmail.com

In-App: Settings → Help & Support

We respond within 48 hours.