Privacy policy
Wecho Privacy Policy
Last Updated: November 25, 2025 Effective Date: December 1, 2025
The independent developer ("Operator") operating Wecho ("Service") values users' personal information and complies with relevant laws and regulations including the Personal Information Protection Act and the Act on Promotion of Information and Communications Network Utilization and Information Protection. This Privacy Policy explains how your personal information is collected, used, and managed.
1. Personal Information We Collect
1.1 Required Information
Social login information (Google/Apple account unique ID)
Upon registration
Email address
Upon registration
Nickname
Upon registration/profile setup
Profile image
Upon profile setup (optional)
1.2 Information Collected During Service Use
Voice message files
When creating Message Echo
Voice response files
When responding to Echo
Voice chat recording files
When user uses recording feature (optional)
Text message content
When creating Message Echo
Diary content and images
When writing diary
Comment content
When writing comments
Echo settings (time, volume, vibration, etc.)
When creating Echo
1.3 Automatically Collected Information
Device information (model, OS version)
Service optimization
App usage information, feature usage records
Service improvement
Error and crash logs
Stability improvement
Advertising identifier (IDFA/GAID)
Personalized advertising
Service usage statistics
Statistical analysis
2. Purpose of Collection and Use of Personal Information
2.1 Service Provision
User identification and authentication
Message Echo service provision (text/voice message delivery)
Community Echo service provision (real-time voice chat)
Diary service provision
Premium subscription management
Push notification delivery
2.2 Service Improvement and Development
Service quality improvement and new feature development
User behavior analysis and statistics (Firebase Analytics)
Error and crash analysis for stability improvement (Firebase Crashlytics)
Performance monitoring and optimization
2.3 Marketing and Advertising
Personalized advertising (Google Mobile Ads)
Service usage statistical analysis
Ad viewing management for penalty release
3. Retention and Use Period of Personal Information
Member information
Until membership withdrawal
Service provision
Voice message files
Until withdrawal or message deletion
Service provision
Voice response files
Until withdrawal or response deletion
Service provision
Voice chat recording files
Until membership withdrawal
Service provision
Diary content and images
Until membership withdrawal
Service provision
Service usage records
5 years after withdrawal
Protection of Communications Secrets Act
Records of contracts or subscription withdrawal
5 years
Act on Consumer Protection in Electronic Commerce
Records of payment and supply of goods
5 years
Act on Consumer Protection in Electronic Commerce
Records of consumer complaints or dispute resolution
3 years
Act on Consumer Protection in Electronic Commerce
4. Provision of Personal Information to Third Parties
The Operator does not provide users' personal information to third parties in principle. However, exceptions are made in the following cases:
Required by law: When required by legitimate legal procedures such as court warrants or requests from investigative authorities
With user consent: When separate consent is obtained
5. Entrustment of Personal Information Processing
The following personal information processing tasks are entrusted for service provision:
5.1 Firebase (Google LLC)
Entrusted Tasks
Data storage (Firestore), file storage (Storage), user authentication (Auth), service analytics (Analytics), crash reporting (Crashlytics), remote config (Remote Config), push notifications (Cloud Messaging)
Entrustment Period
Duration of service provision
Purpose
User authentication and account management, user data and file storage, service usage analysis and statistics, app stability monitoring and improvement, push notification delivery
5.2 Agora (Agora.io)
Entrusted Tasks
Voice chat service provision
Entrustment Period
Duration of voice chat service use
Purpose
Real-time voice call service provision
Personal Information
Voice data (real-time transmission only, not stored on servers)
Special Note
Voice data during voice chat is transmitted in real-time only and is not stored on Agora servers. However, if users optionally record, those recording files are stored in Firebase Storage.
5.3 Google Mobile Ads (Google LLC)
Entrusted Tasks
Advertising service provision
Entrustment Period
Duration of advertising service use
Purpose
Personalized advertising
Collected Information
Advertising identifier, device information, ad viewing records
6. Users' Rights and How to Exercise Them
Users may exercise the following rights at any time:
Request to access personal information: You can request access to your personal information.
Request to correct or delete personal information: You can request correction or deletion of incorrect personal information.
Request to suspend processing: You can request suspension of personal information processing.
Membership withdrawal: You can withdraw through the settings menu within the Service.
To exercise these rights, please contact us through the contact information below, and we will take action without delay.
7. Destruction of Personal Information
When personal information becomes unnecessary due to expiration of the retention period or achievement of processing purposes, we will destroy the personal information without delay.
7.1 Destruction Methods
Electronic files
Deleted using technical methods that prevent record reproduction
Firebase Storage files
Deleted through Firebase Console
Documents, printouts, written materials
Shredded or incinerated
8. Technical and Administrative Measures for Personal Information Protection
We take the following measures to protect users' personal information:
8.1 Technical Measures
Encryption of personal information: Important personal information is encrypted for storage and transmission
Access restriction: Access to personal information is minimized
Security program installation: Security programs installed to prevent personal information leakage and damage from hacking or viruses
Firebase security rules: Access to Firestore and Storage is strictly restricted
HTTPS communication: Encrypted communication used for all data transmission
8.2 Administrative Measures
Establishment and implementation of internal management plans
Regular security inspections
9. Cookies and Automatically Collected Information
The following information may be automatically collected for service provision:
App execution information, feature usage records
Service improvement
Screen view records
User experience analysis
Error and crash logs
Stability improvement (Firebase Crashlytics)
Device information (model, OS version)
Service optimization
Service usage statistics
Service improvement
This information is used only for service improvement and stability enhancement.
10. Special Provisions Regarding Voice Data Processing
10.1 Voice Data Collection
Voice message recording files
When creating Message Echo
Voice response files
When responding to Echo
Voice chat recording files
When user uses recording feature (optional)
10.2 Voice Data Processing
Voice messages
Stored in Firebase Storage and may be delivered to other users
Voice responses
Stored in Firebase Storage and delivered to message authors
Voice chat recordings
Stored in Firebase Storage only when users optionally record
Real-time voice chat
Transmitted in real-time through Agora service, not stored on servers
10.3 Voice Data Retention Period
Voice messages
Until membership withdrawal or message deletion
Voice responses
Until membership withdrawal or response deletion
Voice chat recordings
Until membership withdrawal
Real-time voice chat
Not stored on servers
11. Processing of Personal Information of Children Under 14
This Service does not accept membership registration from children under 14 years of age and does not collect personal information from children under 14.
12. Personal Information Protection Officer
The following Personal Information Protection Officer is designated to oversee personal information processing and handle user complaints and damage relief related to personal information processing.
Representative
Wecho Operator
chcggang@gmail.com
13. Changes to Privacy Policy
If there are additions, deletions, or modifications to this Privacy Policy due to changes in laws, policies, or security technology, we will notify users through in-app announcements at least 7 days before the implementation of changes.
14. Remedies for Rights Infringement
Users may apply for dispute resolution or consultation with the following organizations for relief from personal information infringement.
Personal Information Dispute Mediation Committee
1833-6972
www.kopico.go.kr
Personal Information Infringement Report Center
118
privacy.kisa.or.kr
Supreme Prosecutors' Office Cyber Investigation Division
1301
www.spo.go.kr
National Police Agency Cyber Bureau
182
cyberbureau.police.go.kr
Supplementary Provisions
This Privacy Policy is effective from December 1, 2025.
Wecho Operator Contact: chcggang@gmail.com
Last updated