Terms of Service

These Terms are effective as of February 20, 2026.

Forerunner is a privacy-focused app designed to support your health and fitness goals. These terms govern the rights and obligations between users and the Forerunner developer regarding service usage.

1. General Provisions

1.1 Purpose

These Terms of Service (the "Terms") govern the rights, obligations, and responsibilities between users ("Users") and Yumin Jung (the "Developer") regarding the use of the Forerunner app (the "Service") developed by the Developer.

1.2 Definitions

  • Service: The Forerunner app and all related services provided by the Developer
  • User: Any individual who uses the Service in accordance with these Terms
  • Health Data: Steps count, workout records, and mindfulness data stored in the Apple Health app
  • Usage Data: Anonymized data collected for app usage behavior analysis

1.3 Application and Amendment of Terms

These Terms apply from the moment Users begin using the Service. The Developer may amend these Terms and will provide at least 7 days' advance notice of any changes. Users who do not agree to the amended Terms may discontinue using the Service.

2. Service Usage Agreement

2.1 Formation of Usage Agreement

The usage agreement is formed when Users install the app, agree to these Terms, and grant necessary permissions. No separate registration process is required, and granting Apple Health access permission is essential for service usage.

2.2 Service Usage Conditions

  • Available only on iOS devices
  • Apple Health app must be installed
  • Health data access permission must be granted
  • Consent to data collection for app usage analysis is required

3. Service Provision

3.1 Service Content

The Developer provides the following services:

  • Health information visualization using Apple Health app's user data
  • Exercise and health-related insights
  • Personalized health statistics and analysis
  • Goal setting and progress tracking

Important: This Service cannot replace professional medical consultation or treatment. Please consult with healthcare professionals for any health-related concerns.

3.2 Service Changes and Suspension

The Developer may modify or suspend all or part of the Service due to improvements, technical reasons, or other significant causes. In such cases, advance notice will be provided, and efforts will be made to minimize user inconvenience.

4. Personal Information and Data Processing

4.1 Health Data Processing

  • User health data is never transmitted to external servers
  • All health data is processed exclusively within the user's device
  • Data access ceases immediately when users revoke Apple Health access permissions

4.2 Usage Data Collection

Anonymized usage behavior data (screen transitions, button clicks, etc.) may be collected via the Mixpanel analytics tool for app improvement purposes. This data does not include health information and cannot identify individuals.

5. User Rights and Obligations

5.1 User Rights

  • Right to revoke Apple Health access permissions at any time
  • Right to discontinue service usage
  • Right to inquire about and request personal information processing

5.2 User Obligations

  • Obligation to use the Service for legitimate purposes only
  • Obligation not to infringe upon others' rights or reputation
  • Obligation to comply with relevant laws and regulations
  • Obligation not to interfere with normal service operations

6. Service Usage Restrictions

6.1 Prohibited Activities

Users must not engage in the following activities:

  • Using the Service for illegal purposes
  • Reverse engineering, decompiling, or disassembling the app's source code
  • Attempting to compromise the Service's security systems
  • Infringing upon the intellectual property rights of the Developer or third parties

7. Limitation of Liability

7.1 Responsibility for Service Usage

Users use the Service at their own judgment and risk. The Developer is not liable for damages arising from users' service usage, except as provided by law.

7.2 Limitation of Medical Liability

This Service is a tool for health information visualization and analysis and does not replace professional medical diagnosis or treatment. Health-related decisions should always be made in consultation with healthcare professionals.

8. Intellectual Property Rights

All intellectual property rights to the Service and all content, trademarks, and works included in the Service belong to the Developer. Users may not reproduce, transmit, distribute, or commercially use these without the Developer's prior approval.

9. Dispute Resolution

9.1 Governing Law and Jurisdiction

These Terms are governed by the laws of the Republic of Korea, and disputes arising from service usage shall be resolved in the competent courts.

9.2 Inquiries and Dispute Resolution

For inquiries or disputes related to service usage, please contact:

  • Developer: Yumin Jung
  • Email: jungym887@gmail.com

10. Miscellaneous

Matters not specified in these Terms shall be governed by relevant laws and regulations or customary practices. If any provision of these Terms is deemed invalid, it shall not affect the validity of the remaining provisions.