Lift Diary Terms of Use

Version 1.0 · Effective date: October 30, 2026

This is a translation. If it differs from the Korean version, the Korean version prevails.

Change history: 1.0 (2026-10-30) Initial release of the Japanese and English versions

Article 1 (Purpose)

These terms set out the conditions and procedures for using Lift Diary (the "Service") and the rights and obligations of you, the user, and us, the operator.

Article 2 (Operator)

Operator: Hyunjins (Representative: Jang Hyunjin)
Contact: setlog@hyunjins.co.kr
Business address: 6F, 25 Hyangchon 1-gil, Gwacheon-si, Gyeonggi-do, Republic of Korea

Article 3 (Service features)

Logging of exercises, sets, weight, and reps, a rest timer, statistics and a workout calendar for each exercise, routine templates, and export and import of backup files.
You can use the Service without signing up. All of your records are stored on your device.
We may improve or change the Service. We notify you of important changes in the app.

Article 4 (Storing and backing up records)

Records are stored only on your device, so they are lost if you uninstall the app, replace your device, or reset it. You can keep a copy yourself with Settings > Export backup file.
You are responsible for storing and managing your backup files.

Article 5 (Prohibited actions)

Reverse engineering or tampering with the Service, or any other action that interferes with the operation of the Service.

Article 6 (Limits of liability)

The Service is a tool for logging workouts. It is not medical advice or an exercise prescription. You are responsible for choosing weights and reps and for preventing injury. Statistics such as the estimated one-rep max (1RM) are calculated values for reference only.
We are not liable for losses caused by circumstances beyond our control, such as natural disasters or device or communications failures.
We cannot recover data stored only on your device if it is lost when you uninstall the app, lose your device, or your device breaks.

Article 7 (Changes to these terms)

If we change these terms, we notify you in the app at least 7 days before the changes take effect, or at least 30 days before if the changes are unfavorable to you.

Article 8 (Governing law and jurisdiction)

These terms are governed by the laws of the Republic of Korea. Disputes about the Service are settled by the court that has jurisdiction under the Civil Procedure Act of the Republic of Korea.