Terms of Service

Last updated: June 18, 2026 | Effective date: June 18, 2026

Welcome to Niannian Diary (念念日记) ("the App", "we", "us", or "our"). Please read these Terms of Service carefully before using the App. By using the App, you agree to be bound by these Terms.

Summary: You retain ownership of your diary and note content. Apple Sign-In is used only for account authentication. AI features are optional, require your explicit in-app consent before activation, and can be turned off at any time. AI-generated output is for reference and should be reviewed before saving. Subscriptions are processed by Apple and can be cancelled under Apple's rules. Please regularly export and back up your important data. Fraudulent sign-ups, attacks, abuse, or unlawful use may lead to account or feature restrictions.

1. Service Overview

Niannian Diary (念念日记) is an intelligent recording and diary application that provides:

We reserve the right to modify, suspend, or discontinue features, and will provide reasonable notice where possible.

2. Account Registration and Use

3. Content Ownership and Intellectual Property

3.1 Your Content Rights

You retain full ownership of all diary entries, notes, and other content you create through this App. Except for processing described in these Terms and our Privacy Policy that is necessary to provide and maintain the service, we will not use your content for marketing, advertising, or other purposes unrelated to the service.

3.2 Limited Licence

To provide the service, you grant us a limited licence to process your content only as necessary for:

This licence is limited to what is necessary to operate the service and does not include using your content for marketing, advertising, or other commercial purposes.

3.3 Content Standards

3.4 Copyright Complaints

If you believe content in the App infringes your copyright or other intellectual property rights, please send us a notice using the contact below, including the following:

  1. A description of the work you claim has been infringed
  2. The location of the content you believe is infringing
  3. Your contact information
  4. A statement as to the truthfulness of the above

We will review and handle valid notices as soon as practicable.

4. AI Service Terms

When using AI diary generation, AI question recommendation, AI profile summary, or similar AI features, please note:

5. VIP Membership

5.1 Subscription and Payment

5.2 Free Trial

5.3 Auto-Renewal and Cancellation

How to cancel auto-renewal:

Open iPhone/iPad → Settings → Tap your Apple ID → Subscriptions → Find Niannian → Cancel Subscription

Cancellation must be completed at least 24 hours before the current subscription period ends; otherwise it will auto-renew.

5.4 Refund Policy

5.5 Price Changes

We reserve the right to adjust VIP pricing and benefits. Price changes will:

6. Prohibited Use

You must not:

If we reasonably believe that your account, content, or conduct falls within the above or creates security, legal, or operational risks for the App, other users, third-party providers, or us, we may take necessary measures including content removal, feature restrictions, account suspension, service termination, refusal of re-registration, evidence preservation, and reports to platforms or competent authorities.

7. Disclaimer of Warranties

The App is provided on an "AS IS" and "AS AVAILABLE" basis, without warranties of any kind, whether express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

8. Limitation of Liability

To the maximum extent permitted by applicable law:

These limitations do not apply where prohibited by applicable law.

9. Indemnification

You agree to indemnify and hold us harmless from any claims, losses, damages, and costs (including reasonable legal fees) arising from:

10. Data and Backup

11. Changes to These Terms

12. Termination

12.1 Your Right to Terminate

12.2 Our Right to Terminate

12.3 Survival

The following provisions survive termination of the service: Content Ownership and Intellectual Property (Section 3), Disclaimer of Warranties (Section 7), Limitation of Liability (Section 8), Indemnification (Section 9), Governing Law and Dispute Resolution (Section 13), and any other provisions that by their nature should survive.

13. Governing Law and Dispute Resolution

13.1 Governing Law

13.2 U.S. Users: Arbitration and Class Action Waiver

This section applies only to users residing in the United States and affects how you resolve disputes. Please read it carefully.

13.3 Local Mandatory Consumer Rights

14. General Provisions

15. Contact Us

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

📧 Email: support@niannian.app