Terms of Service

Last updated February 02, 2026

1. Agreement to Terms

These Terms of Service ("Terms") constitute a legally binding agreement between you and DigitalCarbon, Inc ("Company," "we," "us," or "our") governing your access to and use of the Chatomo mobile application and related services (collectively, the "Services").

By accessing or using our Services, you agree to be bound by these Terms. If you do not agree to these Terms, you may not access or use the Services.

2. Description of Service

Chatomo is a language learning application that provides interactive AI-powered conversations to help users practice and improve their language skills. The Services include:

• Voice-based roleplay conversations with AI characters
• Structured language lessons and practice sessions
• AI tutoring for personalized language guidance
• Progress tracking and learning analytics

The Services are designed for educational purposes and use artificial intelligence to generate conversational responses. AI responses may occasionally contain errors or inaccuracies.

3. User Accounts

Account Creation

To use certain features of the Services, you must create an account. We offer account creation through Sign in with Apple and other authentication methods. You agree to:

• Provide accurate and complete information when creating your account
• Maintain the security of your account credentials
• Promptly notify us of any unauthorized access to your account
• Accept responsibility for all activities that occur under your account

Account Requirements

You must be at least 18 years old or the age of majority in your jurisdiction to use the Services. If you are under 18, you may only use the Services with the consent and supervision of a parent or legal guardian.

Account Deletion

You may delete your account at any time through the Settings menu in the app. Upon deletion, your account and associated data will be permanently removed from our systems, subject to our data retention policies described in our Privacy Policy.

4. Subscriptions and Payments

Subscription Plans

Chatomo offers both free and paid subscription tiers. Free users have limited access to certain features and session limits. Paid subscribers ("Chatomo Pro") receive unlimited access to all features.

Billing

Subscriptions are billed through Apple's App Store. By subscribing, you agree to:

• Pay all applicable fees for your chosen subscription plan
• Automatic renewal of your subscription unless cancelled before the renewal date
• Apple's terms and conditions for in-app purchases

Cancellation and Refunds

You may cancel your subscription at any time through your Apple ID account settings. Cancellation will take effect at the end of your current billing period. Refund requests are handled by Apple in accordance with their refund policies.

5. Acceptable Use

You agree not to use the Services to:

• Violate any applicable laws or regulations
• Infringe upon the rights of others
• Upload, transmit, or distribute any content that is unlawful, harmful, threatening, abusive, harassing, defamatory, vulgar, obscene, or otherwise objectionable
• Attempt to probe, scan, or test the vulnerability of the Services or circumvent any security measures
• Interfere with or disrupt the Services or servers connected to the Services
• Use the Services for any commercial purpose not expressly permitted by us
• Attempt to manipulate or abuse the AI systems in ways that could generate harmful or inappropriate content
• Use automated means (bots, scripts, etc.) to access the Services without our express permission

6. Intellectual Property

Our Content

The Services and all content, features, and functionality thereof, including but not limited to text, graphics, logos, icons, images, audio clips, AI-generated content, and software, are owned by DigitalCarbon, Inc or our licensors and are protected by copyright, trademark, and other intellectual property laws.

Your Content

You retain ownership of any content you submit through the Services, including voice recordings. By using the Services, you grant us a non-exclusive, worldwide, royalty-free license to use, process, and store your content solely for the purpose of providing and improving the Services.

Feedback

If you provide us with any feedback, suggestions, or ideas regarding the Services, you grant us an unrestricted, perpetual, irrevocable, non-exclusive, royalty-free right to use such feedback for any purpose without compensation to you.

7. Third-Party Services

The Services may integrate with or contain links to third-party services. We are not responsible for the content, accuracy, or practices of any third-party services. Your use of third-party services is at your own risk and subject to the terms and policies of those services.

8. Disclaimer of Warranties

THE SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT.

We do not warrant that the Services will be uninterrupted, timely, secure, or error-free. AI-generated content may contain inaccuracies and should not be relied upon for critical decisions. The Services are for educational purposes only and do not constitute professional language instruction or certification.

9. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL DIGITALCARBON, INC, ITS AFFILIATES, OFFICERS, DIRECTORS, EMPLOYEES, OR AGENTS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, RESULTING FROM:

• Your access to or use of or inability to access or use the Services
• Any conduct or content of any third party on the Services
• Any content obtained from the Services
• Unauthorized access, use, or alteration of your transmissions or content

IN NO EVENT SHALL OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS EXCEED THE AMOUNT YOU HAVE PAID US IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR ONE HUNDRED DOLLARS ($100), WHICHEVER IS GREATER.

10. Indemnification

You agree to indemnify, defend, and hold harmless DigitalCarbon, Inc and its affiliates, officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, costs, and expenses (including reasonable attorneys' fees) arising out of or related to your use of the Services, your violation of these Terms, or your violation of any rights of another.

11. Termination

We may terminate or suspend your access to the Services at any time, with or without cause, and with or without notice. Upon termination, your right to use the Services will immediately cease.

You may terminate your account at any time by deleting it through the app settings. All provisions of these Terms which by their nature should survive termination shall survive, including ownership provisions, warranty disclaimers, indemnity, and limitations of liability.

12. Changes to Terms

We reserve the right to modify these Terms at any time. If we make material changes, we will notify you by updating the "Last updated" date at the top of these Terms and, where appropriate, provide additional notice (such as through the app or via email). Your continued use of the Services after any changes constitutes your acceptance of the new Terms.

13. Governing Law and Dispute Resolution

These Terms shall be governed by and construed in accordance with the laws of the State of California, without regard to its conflict of law principles. Any dispute arising from or relating to these Terms or the Services shall be resolved in the state or federal courts located in San Francisco County, California, and you consent to the personal jurisdiction of such courts.

14. General Provisions

• Entire Agreement. These Terms, together with our Privacy Policy, constitute the entire agreement between you and us regarding the Services.
• Severability. If any provision of these Terms is found to be unenforceable, the remaining provisions will continue in full force and effect.
• Waiver. Our failure to enforce any right or provision of these Terms will not be considered a waiver of such right or provision.
• Assignment. You may not assign or transfer these Terms or your rights under these Terms without our prior written consent. We may assign our rights and obligations under these Terms without restriction.

15. Contact Us

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