ChatCar Terms of Service

Effective date: May 11, 2026 Last revised: September 2, 2026

Article 1 (Purpose)

These Terms set out the rights, obligations, and responsibilities between ChatCar (the “Company”) and users in connection with the use of the ChatCar mobile application and related services (the “Service”) provided by the Company.

Article 2 (Definitions)

The terms used in these Terms are defined as follows:

1. “Service” means the mobile application and related services provided by the Company, including vehicle OBD diagnostics, AI analysis, and maintenance-history management.
2. “User” means a member who uses the Service provided by the Company under these Terms.
3. “OBD” means the vehicle self-diagnostic system (On-Board Diagnostics).
4. “AI Diagnosis” means the diagnostic information provided by the Company through artificial intelligence based on OBD data and user input.
5. “Points” means the in-app means of use for paid features of the Service (such as AI Diagnosis and receipt scanning). Points may be granted free of charge upon sign-up or purchased (recharged) by the user.

Article 3 (Effect and Amendment of Terms)

1. These Terms apply to all users who wish to use the Service.
2. The Company may amend these Terms where necessary, within the scope permitted by applicable laws.
3. Amended Terms will be announced within the app at least 7 days before their effective date; where the change is unfavorable to users, the announcement will be made at least 30 days in advance.
4. If a user does not agree to the amended Terms, the user may stop using the Service and withdraw membership.

Article 4 (Membership and Service Agreement)

1. A user may apply for membership by entering member information in the form prescribed by the Company and agreeing to these Terms.
2. The Company may refuse an application that falls under any of the following:
   • Using another person’s identity without authorization
   • Providing false information
   • Application by a child under the age of 14
   • Failing to meet other requirements set by the Company

Article 5 (Provision of the Service)

1. The Company provides the following services:
   • Real-time vehicle OBD monitoring
   • AI-based vehicle diagnosis
   • Receipt OCR and maintenance-history management
   • Vehicle health-score calculation
   • Other services additionally developed by the Company
2. The Service is provided 24 hours a day, year-round, in principle. However, it may be temporarily suspended for unavoidable reasons such as system maintenance, failures, or natural disasters.

Article 6 (Points and Payment)

1. (Points) The Company operates “Points,” used for paid features of the Service (such as AI Diagnosis and receipt scanning). Users hold Points, and a set number of Points is deducted when a paid feature is used. The Points deducted per feature are shown on the app’s payment/usage screens.
2. (Free Grant) The Company grants a certain amount of Points free of charge, one time only, upon new membership sign-up. The quantity and conditions of free-granted Points follow the in-app notice; they are not automatically converted to a paid item and are not separately billed.
3. (Purchasing Points) Users may purchase (recharge) Point packs on the app’s payment screen. The Point quantity and price of each pack are shown on the app’s payment screen and on each app marketplace (App Store · Google Play).
4. (One-time · Non-renewing) A Point purchase is a one-time payment and is not automatically renewed or repeatedly billed. No separate recurring subscription (auto-renewing payment) is offered.
5. (Payment) Point purchases are processed according to the in-app purchase policies of each app marketplace (App Store · Google Play). The Company does not directly store payment-method information such as card numbers or CVC; payment processing and purchase-record management are handled securely through each marketplace and payment infrastructure (such as RevenueCat).
6. (Use and Validity of Points) Unless separately notified by the Company, purchased Points may be used without an expiration date. Points may be used only for the purpose of using paid features within the Service; they cannot be refunded in cash or transferred to others.
7. (Refunds)
   • Points already used (deducted) to run a paid feature are not refundable.
   • Refunds of unused Points follow the refund policies of each app marketplace (App Store · Google Play) and applicable laws such as the Act on the Consumer Protection in Electronic Commerce.
   • Points granted free of charge are not eligible for refund.
8. (Price and Policy Changes) The Company may change Point-pack prices, the Points deducted per feature, the free-grant policy, and the like. Where a change is unfavorable to users, the Company will give prior notice, such as through an in-app announcement, before it takes effect.

Article 7 (User Obligations)

Users must not engage in any of the following:

1. Misappropriating another person’s information
2. Using the Company’s Service for illegal purposes
3. Intentionally interfering with the operation of the Service
4. Collecting, storing, or disclosing other users’ information without authorization
5. Arbitrarily altering, reproducing, or distributing information provided by the Company
6. Other acts in violation of applicable laws

Article 8 (Change and Suspension of the Service)

1. The Company may change the Service it provides according to operational or technical needs.
2. If the content, method, or hours of the Service change, the Company will give advance notice of the changes and their effective date.
3. The Company may temporarily suspend the Service in any of the following cases:
   • Unavoidable circumstances such as system maintenance or equipment repair
   • Force majeure such as natural disaster, war, or communication outage
   • Reasonable grounds relating to the operation of the Service

Article 9 (Disclaimer for AI Diagnosis and Vehicle Information)

1. The AI Diagnosis results provided by the Company are reference material; accurate diagnosis and repair must be performed by a professional repair shop.
2. The Company does not guarantee the accuracy of AI Diagnosis results and is not responsible for vehicle operation, repair, or damage resulting from such results.
3. Users must not use AI Diagnosis results as a basis for medical or legal judgments.
4. The Company is not responsible for vehicle damage caused by the use of an OBD adapter; users must use a reliable OBD adapter.

Article 10 (Company Disclaimer)

1. The Company is exempt from liability where it cannot provide the Service due to force majeure such as natural disaster, war, or communication outage.
2. The Company is not responsible for service disruptions caused by the user.
3. The Company is not responsible for the user’s use of information obtained through the Service.

Article 11 (Withdrawal and Loss of Membership)

1. A user may withdraw at any time through the in-app [Settings → Delete Account] menu.
2. The Company may suspend or terminate a member’s status in any of the following cases:
   • Violation of these Terms
   • Infringement of another person’s rights
   • Interference with the operation of the Service

Article 12 (Dispute Resolution)

1. Matters not specified in these Terms are governed by the Act on the Consumer Protection in Electronic Commerce, the Act on the Regulation of Terms and Conditions, other applicable laws, or commercial practice.
2. If a lawsuit is filed over a dispute arising from use of the Service, the court having jurisdiction over the location of the Company’s head office shall be the agreed court of jurisdiction.

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Addendum

1. These Terms take effect on May 11, 2026.
2. These amended Terms (amendment of Article 6 regarding paid subscriptions) take effect on July 10, 2026.
3. These amended Terms (amendment of Articles 2 and 6 due to the transition from subscription to Point-based payment) take effect on September 2, 2026.