The Audiobook AI Operator (hereinafter referred to as "the Operator") establishes the following Privacy Policy (hereinafter referred to as "this Policy") regarding the acquisition, use, and management of user (hereinafter referred to as "User") information in the AI audiobook generation application "Audiobook AI" (hereinafter referred to as "this Application") and handles it appropriately.
By using this Application, the User is deemed to have agreed to the contents of this Policy. Please also review the Terms of Service for this Application in conjunction with this Policy.
1. Information Acquired and Its Purpose of Use
1.1 Information Acquired
The Operator acquires or generates the following information from Users in providing this Application.
- Information Provided by the User to this Application
- Topic Information: Topics (text) input by the User into this Application to generate audiobooks.
- Setting Information: Settings related to the operation of the application (e.g., notification settings).
- Information Generated or Acquired by AI Generation Functions
- Generated Content: Table of contents, text content for each chapter, and read-aloud audio data (MP3, etc.) for said text, generated by AI (Gemini API, Google Cloud Text-to-Speech, etc.) based on the topic input by the User.
- Processing Status: Generation status of table of contents, chapter text, and audio data (in progress, completed, etc.).
- Information Acquired Automatically
- User ID (Anonymous): A unique identifier assigned to each User through anonymous login using Firebase Authentication. This is not directly linked to the User's personal information such as name or email address.
- Device Information: Device model name, OS version, and language settings of the User's device. For advertising delivery and service improvement, an advertising identifier (IDFA for iOS devices) may be acquired, but the acquisition and use of IDFA are limited to cases where the User's permission is obtained (see "2.3 Anonymity and Identifiers" and "6. Regarding Advertisements" for details).
- Usage Information: Usage history of this Application (startup date/time, features used, screen transitions, error logs, content of generation requests, etc.). This is collected in a non-personally identifiable form through services like Firebase Analytics and used for service improvement.
- Billing Information: If the User purchases a Premium Plan, information such as the type of plan purchased, purchase date/time, and expiration date. This information is processed through the payment system of Apple Inc. (hereinafter referred to as "Apple"), and the Operator does not directly acquire or store detailed payment information such as the User's credit card number. The Operator confirms the validity of the subscription based on purchase receipt information provided by Apple.
- Information Acquired from External Services (if applicable)
- Currently, this Application does not automatically acquire personal information from external services without explicit user operation. If external service linkage functions are added in the future, the information to be acquired and its purpose of use will be separately clarified, and User consent will be obtained.
1.2 Purpose of Use
The Operator uses the acquired information for the following purposes:
- To Provide, Maintain, and Improve this Application:
- To provide core functions of this Application, such as AI generation of table of contents, chapter text, and audio based on topic input, listening to audiobooks, and managing generated content.
- To support Users in easily learning information in their areas of interest in audiobook format or creating content for personal use.
- To provide and process billing for the Premium Plan.
- To resolve technical issues, maintain security, and prevent unauthorized use.
- To improve the quality and usability of this Application and develop new features (e.g., asynchronous server processing, notification functions).
- To Provide and Improve AI Generation Functions:
- To transmit input topic information and data in the process of generation to external AI services (Gemini API, Google Cloud Text-to-Speech, etc.) to generate table of contents, text, and audio.
- To improve the accuracy of AI generation and develop new features (in this case, input information and generated content may be used statistically in a non-personally identifiable form).
- For Advertisement Delivery (for Free Use Users):
- To display banner ads and reward ads. This may include using the advertising identifier (IDFA) obtained with User permission to display advertisements tailored to the User's interests.
- To measure the effectiveness of advertisements.
- For Communication:
- To respond to inquiries from Users and provide support (feedback, inquiry functions).
- To notify Users of important announcements regarding this Application, update information, and changes to the Terms of Service or this Policy.
- To Comply with Legal Obligations:
- To respond to applicable laws, regulations, legal proceedings, or requests from government agencies.
2. Information Storage Location and Management Method
2.1 Storage on Servers
Topic information input by the User into this Application, Generated Content based thereon (table of contents, text, audio data URLs, etc.), User ID, and billing status, etc., are stored on servers managed by the Operator (Firebase Firestore, Firebase Storage, etc.). This allows Users to access their content from multiple devices (future feature) or transfer data when changing devices.
2.2 Data Transmission to AI Services