Privacy Policy: CM Inch Converter
This Privacy Policy governs the processing of user information related to the 'CM Inch Converter' mobile application (hereinafter referred to as the 'App'), operated by Individual Developer Baak (hereinafter referred to as 'the Developer').
Article 1 (Purpose and Legal Basis for Personal Information Processing)
The App does not directly collect personally identifiable information from users, such as names or contact details. However, limited non-identifiable information is processed for the provision of fullscreen advertising services and service improvement. The purpose and legal basis are as follows:
Advertising Service Provision and Analysis:
Purpose: Displaying Google AdMob fullscreen advertisements, analyzing ad efficiency, and providing personalized ads for service operation and maintenance.
Legal Basis: Consent of the data subject (when using Advertising ID), and compliance with the Act on Promotion of Information and Communications Network Utilization and Information Protection.
Service Environment Improvement:
Purpose: Analyzing app errors and crashes to improve service performance and stability, and statistical analysis.
Legal Basis: Fulfillment of a contract for service provision and promotion of user convenience.
Article 2 (Items of Information Processed)
The App does not directly collect personal information, but the following information may be automatically generated and collected during the use of the fullscreen advertising service (AdMob):
| Category | Processed Information Items | Purpose of Processing |
| Auto-collected Information | Advertising ID (ADID/IDFA) | Personalized advertising and ad efficiency analysis |
| Device Identifiers | Unique Device Identifiers | Prevention of fraudulent use and service optimization |
| Device Information | OS version, model name, language settings | Service error improvement and statistical analysis |
| Network Information | IP address, etc. | Regional ad exposure and traffic analysis |
Article 3 (Provision of Personal Information to Third Parties)
The Developer does not provide user information to external parties. However, for the provision of fullscreen advertising services and to increase personalized ad efficiency, the information listed in Article 2 is provided to Google AdMob.
Recipient: Google AdMob and Advertising Partners
Purpose: Providing personalized ads and measuring ad performance
Information Items: Advertising ID, Device Identifiers, Device Information, Network Information
Retention Period: Until the purpose of provision is achieved (subject to Google's privacy policy)
Article 4 (Processing and Retention Period of Personal Information)
Personal information is destroyed without delay after the purposes of collection and use are achieved. The specific retention and destruction period for non-identifiable information collected through advertising services is subject to Google's Privacy Policy.
Article 5 (Procedure and Method for Personal Information Destruction)
The Developer destroys the information without delay when the personal information retention period expires or the purpose of processing is achieved.
Procedure: Information whose retention period has expired is stored for a certain period according to internal policies and relevant laws, and then destroyed.
Method: Electronic files are deleted using technical methods that prevent restoration (e.g., low-level formatting).
Article 6 (Methods for Exercising the Rights of Data Subjects)
Since the user has not provided personally identifiable information to the App, there is no personally identifiable information subject to the rights of access, correction, or deletion.
Ad-related Rights: Users may refuse personalized advertising at any time through their mobile device settings (e.g., 'Google Settings → Ads → Reset Advertising ID' or 'Opt out of Ads Personalization').
Article 7 (Measures to Ensure the Security of Personal Information)
The Developer takes administrative and technical measures to ensure security, including minimizing access rights to processing systems and implementing countermeasures against hacking or viruses.
Article 8 (Personal Information Protection Officer)
For all inquiries or complaints related to personal information protection, users may contact the Personal Information Protection Officer.
Personal Information Protection Officer: Baak
Contact (Email): [Your contact email address registered in the Play Console]
Supplementary Provision
This Privacy Policy shall be effective from April 2, 2026. In the event of modifications to the content due to changes in laws or security technologies, the changes will be announced 7 days prior to the effective date.