Terms of Service

Last Updated: March 17, 2026

Welcome to Yingji — AI Mood Journal ("we," "our," or "us"). By downloading, accessing, or using the Yingji App ("App"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the App.

1. Description of Service

Yingji is an AI-powered mood journaling application that allows users to log their daily emotions, interact with an AI companion, and generate custom visual representations (images) reflecting their mood based on their journal entries.

2. Subscription and Payments

Certain premium features of the App require an active subscription.

• Auto-Renewal: Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current billing period.
• Billing: Your Apple ID account will be charged for renewal within 24 hours prior to the end of the current period.
• Cancellation: You can manage and cancel your subscriptions at any time by going to your App Store Account Settings after purchase.
• Refunds: All payments are processed by Apple. We cannot process refunds directly. Please contact Apple Support for any refund requests in accordance with Apple's policies.

3. User Conduct

By using the App, you agree to follow these rules. You agree not to:

• Use the App for any illegal, unlawful, or unauthorized purpose.
• Submit content that is highly offensive, abusive, threatening, or violates any applicable laws.
• Attempt to hack, reverse-engineer, destabilize, or adapt the App.

4. Medical Disclaimer

Not Medical Advice: Yingji App is designed for personal journaling, self-reflection, and entertainment purposes only. The AI responses, generated images, and mood tracking features are NOT a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or a qualified mental health provider with any questions you may have regarding a medical or psychological condition.

5. Intellectual Property

All rights, title, and interest in and to the App, its design, code, and underlying technology are and will remain the exclusive property of Yingji App and its licensors. You retain full ownership of the text journal entries you create. By using the AI features, you acknowledge that the AI-generated images and text are provided for your personal, non-commercial use within the scope of the App's intended functionality.

6. Termination

We may terminate or suspend your access to the App immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach these Terms of Service.

7. Contact Information

If you have any questions about these Terms, please contact us at:

Email: support@yingji.app