AI-u Terms of Service

• Effective date: June 17, 2026
• Service: AI-u
• Provider: Chiyoom Inc. ("Company")

This English document is provided for user convenience. If there is any conflict or ambiguity, the Korean version shall prevail to the extent permitted by applicable law.

1. Purpose

These Terms set out the rights, obligations, and responsibilities between the Company and users regarding the AI-based conversation and voice companion service "AI-u" (the "Service").

2. Definitions

1. Service means the AI-u mobile app, website, APIs, and related features.
2. User means any person who uses the Service.
3. Member means a user who creates an account through email, Google, Apple, or other supported methods.
4. AI means systems that generate text or voice responses using external AI models.
5. PFE means the Company's internal Personality Formation Engine that supports personalization, memory, and response tone.
6. Content means text, voice, images, and AI-generated responses submitted or generated through the Service.
7. Paid Service means Premium or other paid features, subject to the Paid Service Terms.

3. Posting and Changes

The Company posts these Terms in the app or website and may revise them within applicable law. Material changes unfavorable to users will be announced in advance as required by law.

4. Account and Eligibility

Users must provide accurate information and keep account credentials secure. The Service is not available to children under 14. Users aged 14 to 17 may use the Service, but adult-oriented relationship settings may be restricted.

5. Service Features

The Service may include:

1. AI-based text conversation;
2. AI-based realtime voice conversation;
3. PFE-based personalization, memory summaries, and emotional flow features;
4. schedule, diary, and memory organization derived from conversations;
5. language, theme, relationship tone, companion name, and voice settings;
6. Premium and other paid features.

The Company may change or suspend all or part of the Service for technical or operational reasons and will provide notice for material changes when required.

6. Nature and Limits of AI

AI responses are automatically generated and are not advice from a human professional. AI responses, memory summaries, emotional analysis, schedules, and diary outputs may be inaccurate, incomplete, or inappropriate. The Service does not provide medical, legal, financial, psychotherapy, or crisis intervention services. Users should not rely on AI outputs as the sole basis for important decisions. In urgent situations, contact official emergency or crisis support resources.

7. User Obligations

Users must not impersonate others, submit illegal or harmful content, request self-harm or criminal instructions, reverse engineer the Service, abuse automated access, infringe intellectual property, or violate applicable laws or policies.

8. Content Rights and Processing

Users generally retain rights to their input content. Users grant the Company a limited license to store, process, analyze, and use content as necessary to provide the Service, personalize PFE, improve quality, maintain safety, and comply with law.

9. Paid Services

The Company may provide Premium monthly subscription and other paid services.

Premium Monthly is currently offered at US$3.99 per month. The actual price may vary depending on the App Store purchase screen, country, currency, taxes, and Apple pricing policy.

Payments are processed through Apple App Store or Google Play in-app purchases. The Company does not directly collect or store payment card numbers.

Subscriptions may renew automatically according to the applicable store policy unless cancelled by the user.

Paid Services, payments, cancellation, refunds, and fair-use protection limits are governed by the Paid Service Terms and Refund Policy.

10. Suspension and Restrictions

The Company may temporarily suspend the Service for maintenance, AI/cloud provider failures, force majeure, or other operational reasons. Free plans and paid plans may be subject to reasonable usage limits, including fair-use protection limits for stable service.

11. Termination

Users may request account deletion through Settings > Account Management in the app or through customer support. The Company will process deletion according to the Privacy Policy and applicable law.

The Company may restrict or terminate accounts for false registration, identity theft, violations of these Terms, law, child safety policies, community guidelines, abnormal automated use, payment fraud, or security abuse.

12. Disclaimer and Liability

To the extent permitted by law, the Company is not responsible for damages caused by force majeure, telecommunications failures, AI/cloud provider failures, free-service limitations, or user reliance on AI responses where the Company is not at fault.

Refunds, withdrawal rights, and cancellation are handled according to applicable law and Apple App Store or Google Play policies. App Store refunds are reviewed and processed by Apple.

13. Governing Law and Disputes

These Terms are governed by the laws of the Republic of Korea. Disputes will be resolved by mutual consultation or by the competent Korean courts.

14. Contact

Supplementary provision: These Terms are effective from June 17, 2026.