Privacy Policy
Apptelier (“we”, “us”, or “our”) operates the Daily Timer mobile application (the “App”). This page informs you of our policies regarding the collection, use, and disclosure of personal information when you use our App.
Effective Date: January 27, 2026
1. Information We Collect
We collect the following types of information:
1.1. Device Information
- Data collected: Device model, OS version, app version
- Purpose: App optimization and error analysis
- Collection method: Automatically collected during app usage
- Retention period: Duration of service use
1.2. Advertising Identifier
- Data collected: Advertising ID (ADID)
- Purpose: Personalized advertising
- Collection method: Automatically collected during app usage
- Retention period: Duration of service use
1.3. In-App Purchase Information
- Data collected: Google Play transaction ID, subscription status, expiration date
- Purpose: Pro subscription management and service provision
- Collection method: Automatically collected through Google Play Billing
- Retention period: Duration of service use and as required by applicable laws
1.4. Local Storage Data
- Data collected: Timer presets, routines, settings, usage statistics
- Purpose: App functionality and personalized service
- Collection method: User input and automatic collection during app use
- Storage location: Local storage on user’s device only
- Server transmission: None (all data is stored only on the device)
Important: We do not collect or transmit user data such as timer presets, routines, and settings to our servers. All data is stored only on your device. For Pro users using the backup feature, data is saved only to the location you choose (device storage or shared app).
1.5. App Usage Analytics Data (Firebase Analytics)
- Data collected:
- App events (timer start/complete, preset create/edit/delete, routine execution, Pro subscription, etc.)
- Device information (model, OS version, screen resolution)
- App version and installation information
- Session information (app runtime, screen transitions)
- Firebase Installation ID (device identifier)
- Purpose:
- Improve app quality and user experience
- Service optimization and bug fixes
- Usage pattern analysis and feature improvements
- Collection method: Automatically collected through Firebase SDK
- Retention period: According to Google Firebase policy (default 14 months)
- Privacy Policy: https://firebase.google.com/support/privacy
Note: Firebase Analytics does not collect personal information that identifies individual users (names, emails, etc.) and only collects anonymized statistical data.
1.6. Error Analysis Data (Firebase Crashlytics)
- Data collected:
- Crash reports (app error information)
- Stack traces (error occurrence location)
- Device information (model, OS version, memory status)
- App version and installation status
- Crashlytics Installation UUID (device identifier)
- Purpose:
- Improve app stability
- Crash and error analysis
- Bug fixes and quality improvements
- Collection method: Automatically collected through Firebase SDK (when crashes occur)
- Retention period: According to Google Firebase policy (default 90 days)
- Privacy Policy: https://firebase.google.com/support/privacy
Note: Crashlytics collects only minimal technical information for app stability improvements and does not collect personally identifiable information.
2. Data Retention
We retain your personal information for:
- Default retention period: Duration of service use
- Upon app deletion: All data stored on the device is immediately deleted
- Subscription information: Retained according to applicable laws after subscription ends (E-Commerce Act: 5 years)
3. Third-Party Services
We may employ third-party companies and individuals for the following purposes:
3.1. Google Firebase (Analytics & Crashlytics)
- Purpose: App quality improvement, usage pattern analysis, error analysis
- Data shared:
- Firebase Analytics: App events, device information, session information, Firebase Installation ID
- Firebase Crashlytics: Crash reports, stack traces, device information, Crashlytics UUID
- Retention: According to Google Firebase policy (Analytics: 14 months, Crashlytics: 90 days)
- Privacy Policy: https://firebase.google.com/support/privacy
3.2. Google AdMob
- Purpose: Personalized advertising
- Data shared: Advertising identifier, app usage data
- Retention: According to Google’s privacy policy
- Privacy Policy: https://policies.google.com/privacy
3.3. Google Play Billing
- Purpose: In-app subscription payment processing
- Data shared: Google Play transaction ID, subscription status
- Retention: According to Google’s privacy policy
- Privacy Policy: https://policies.google.com/privacy
4. Your Rights
You have the right to:
- Access your personal data: View in app settings
- Request correction: Directly modify in the app
- Request deletion: All data is automatically deleted upon app removal
- Object to processing: Uninstall the app or contact us
To exercise these rights, please contact us at: apptelier3626@gmail.com
5. Data Deletion
We delete personal information when the retention period expires or the processing purpose is achieved.
Deletion Procedure
- All data stored on the device is immediately deleted when you uninstall the app
- Backup files must be deleted manually by the user
Deletion Method
- Electronic files are permanently deleted using technical methods to prevent recovery
6. Opting Out of Personalized Ads
You can opt out of personalized advertising:
- Android: Settings → Google → Ads → Opt out of Ads Personalization
- Reset Advertising ID: Settings → Google → Ads → Reset advertising ID
Complete Ad Removal
- You can remove all ads by subscribing to Pro.
7. Data Security Measures
We take the following measures to ensure the security of personal information:
- Local Storage: All user data is stored only on the device and not transmitted to servers
- Encryption: Data stored in the app uses OS-level encryption
- Access Control: Third-party services (Google AdMob, Google Play Billing) access only the minimum necessary information
8. Pro Subscription and Personal Information
Subscription Information Collection
When subscribing to Pro, the following information is processed through Google Play:
- Transaction ID
- Subscription status (active/canceled/expired)
- Subscription start and expiration dates
Purpose of Use
- Providing Pro features (unlimited presets/routines, ad removal, backup/restore)
- Subscription status verification
- Purchase restoration
Subscription Cancellation and Refunds
- Can be canceled anytime through Google Play subscription management
- Refund policy follows Google Play policy
9. Backup Data Processing (Pro Feature)
When Pro users use the backup feature:
- Backup files are saved only to the location you choose (device storage or sharing through other apps)
- We do not collect or store backup files on our servers
- Managing backup files is the user’s responsibility
10. Children’s Privacy
Our App does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If we become aware that we have collected personal information from a child under 13, we will immediately delete it.
11. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and notifying you 7 days in advance.
For significant changes, we will provide separate notification through in-app alerts.
12. Contact Us
If you have any questions about this Privacy Policy, please contact us:
Data Protection Officer
- Email: apptelier3626@gmail.com
- Website: https://apptelier.netlify.app
You can contact our Data Protection Officer for all privacy-related inquiries, complaints, and remedies.
13. Dispute Resolution
For privacy-related complaints or inquiries in South Korea, you may contact:
- Personal Information Infringement Report Center: 118 (privacy.kisa.or.kr)
- Personal Information Dispute Mediation Committee: 1833-6972 (www.kopico.go.kr)
- Supreme Prosecutors’ Office Cybercrime Investigation Division: 1301 (www.spo.go.kr)
- National Police Agency Cyber Safety Bureau: 182 (cyberbureau.police.go.kr)
Apptelier Republic of Korea
Last updated: 2026-01-27