Terms of Use

Last updated: September 26, 2026

These Terms of Use (these “Terms”) set out the conditions for using the iPhone app Gym Note (the “App”) provided by StackWorks (“we” or “us”). By using the App, you are deemed to have agreed to these Terms. Any matters not covered by these Terms are governed by Apple's standard End User License Agreement (EULA).

1. About the App

The App is a tool for logging strength training, timing rest periods and summarizing your training. The estimated 1RM, Next Target (suggested weight), guideline for weekly sets per muscle group and similar values are reference figures calculated from the records you enter, and are not medical advice.

2. Health and Safety

Train according to your own physical condition and judgment, and within your limits. If you have a medical condition, are injured, are pregnant or are in a similar situation, consult a doctor or other qualified professional. We are not responsible for any injury or change in your health resulting from following what the App displays.

3. Gym Note Plus

Gym Note Plus is a non-consumable In-App Purchase bought through the App Store. Once purchased, it can be used with the same Apple Account. Family Sharing is supported. Refunds are subject to Apple's policies.

4. Data

Your records are stored on your iPhone. Data may be lost if your device fails or is lost, if you delete the App, or for other reasons. Please keep important records safe by exporting a CSV file or backing up your iPhone. We are not responsible for any loss of data.

5. Prohibited Conduct

You may not modify, decompile or redistribute the App, or use it in any way that violates laws and regulations or public order and morals.

6. Disclaimer

We do not guarantee that the App is free of errors or defects, or that it is fit for any particular purpose. Except in cases of our willful misconduct or gross negligence, our liability is limited to the amount you have paid for the App.

7. Changes and Termination

We may change the content of the App or these Terms, or stop providing the App. If we change these Terms, we will announce it on this page.

8. Governing Law

These Terms are governed by the laws of Japan. The Tokyo District Court shall have exclusive jurisdiction as the court of first instance over any dispute.

Contact

StackWorks
contact@stack-works.dev