This is an English translation provided for convenience. If there is any discrepancy between this translation and the Japanese version, the Japanese version prevails.

Terms of Use

These terms set out the conditions for using Talk Muscle (Japanese name: コミュ筋トレ; the "App").

By using the App, you are deemed to have agreed to these Terms.

Last updated: November 6, 2026

Article 1 (Purpose of the App)

The App is a learning app for practicing conversation.

AI plays the role of your conversation partner and provides feedback after practice.

The conversation partners in the App are not real people; they are generated by AI.

The App is not a service for meeting people or dating.

Article 2 (Fees)

1. The App has a range of features available for free, a paid plan (Standard), and a 7-Day Pass.
2. The Standard plan is an auto-renewing subscription, billed monthly or yearly. The price is the amount shown in the App Store at the time of purchase (including any applicable tax).
3. The 7-Day Pass is a one-time purchase. The price is the amount shown in the App Store at the time of purchase (including any applicable tax). For 7 days after purchase, you can use the same features as Standard. It does not renew automatically.
4. Payment is made through your Apple ID.
5. Subscriptions renew automatically at the same price unless canceled at least 24 hours before the end of the current period.
6. You can cancel from iOS "Settings > Apple ID > Subscriptions."
7. The App has no additional charges of any kind, such as gacha (random-draw purchases), item purchases, or token purchases.

Article 3 (Usage Limits)

Each plan has the following limits. The limits are set based on our costs.

The 7-Day Pass has the same limits as Standard.

1. When you reach a limit, that feature becomes temporarily unavailable.
2. No additional fees are charged for exceeding a limit.
3. Limits reset automatically the next day or the next month. No action is required.
4. Additional purchases to raise the limits are not available.

Article 4 (Prohibited Conduct)

You must not do any of the following:

1. Use the App in large volumes with automation tools or similar means
2. Attempt to make the App's AI generate illegal or harmful content
3. Copy, reproduce, or sell content provided by the App (such as lessons) without permission
4. Reverse engineer or otherwise attempt to analyze the App
5. Any other conduct that interferes with the operation of the App

Article 5 (Disclaimer)

1. The feedback and lesson content in the App provide general information about conversation techniques and do not guarantee any effect.
2. The operator is not responsible for any results arising from your use of the App.
3. Responses generated by the AI are not always accurate or appropriate.
4. The App does not provide medical care, psychotherapy, or counseling. If you have serious concerns about your relationships with others, please consult a professional organization.

Article 6 (Changes to or Suspension of the Service)

1. The operator may change the content of the App or stop providing it.
2. If the operator ends the paid plans, this will be announced in the App in advance.

Article 6-2 (Data Deletion and Purchases)

When you use "Delete data" in the App, your conversation history, recordings, progress records, message reply practice records, and real-life mission records are deleted.

Your paid plan subscription itself is not canceled at this time, but because the device identifier changes, the link to your purchase is lost.

You can restore it with "Restore Purchases" in the App.

If you want to cancel, please do so from iOS "Settings > Apple ID > Subscriptions."

Article 7 (Handling of Data)

The handling of personal information and data is governed by the separately established Privacy Policy.

Article 8 (Changes to These Terms)

If we change these Terms, we will announce it in the App or on the support page.

If you use the App after the change, you are deemed to have agreed to the revised Terms.

Article 9 (Governing Law)

These Terms are governed by the laws of Japan.