Logo

Ringuage Terms of Service

Last updated: June 25, 2026 Effective date: June 25, 2026

These Terms of Service set out the conditions of use of the Ringuage service provided by Stophobias, Inc. ("the Company"), the rights and obligations of the Company and members, and matters concerning subscription payment, refunds, and restrictions on service use.

By agreeing to these Terms during membership registration, service use, or paid subscription payment, the member enters into a service agreement with the Company. Important matters such as paid subscriptions, automatic payment, restrictions on withdrawal of subscription, refunds, and personal information processing are disclosed through the payment screen, app screens, or separate notices so that members can easily review them.

Article 1. Purpose

The purpose of these Terms is to define the rights, obligations, responsibilities, and other necessary matters between the Company and members in connection with the use of Ringuage, an AI-based language learning service provided by the Company.

Article 2. Definitions

The terms used in these Terms are defined as follows.

  1. "Service" means the Ringuage website, mobile application, AI phone lessons, curriculum, learning content, review features, notifications, customer support, and other related services provided by the Company.
  2. "Member" means a person who has agreed to these Terms and entered into a service agreement with the Company to use the Service.
  3. "Account" means the login unit created by a member for member identification and service use.
  4. "AI phone lesson" means a feature in which a generative AI or voice AI provides foreign-language lessons, conversation practice, feedback, review, and the like through a phone or voice-based conversation with the member.
  5. "Learning data" means learning-related information generated in the course of service use, such as the member's lesson progress, level, quiz results, speech records, feedback, review records, and learning patterns.
  6. "Call data" means voice, conversation content, recordings, transcripts, AI responses, lesson summaries, call duration, error logs, and the like generated during AI phone lessons.
  7. "Paid service" means subscription plans, passes, additional call credits, premium features, and the like that the Company provides for a fee.
  8. "Subscription" means a form of use in which a member uses a paid service in fixed-period units and is regularly renewed and charged unless cancelled.
  9. "App market" means a platform that processes in-app payment and subscriptions, such as the Apple App Store and Google Play.
  10. "Member content" means information provided by the member, such as text, voice, answers, inquiries, and learning goals that the member inputs or generates in the course of using the Service.

Article 3. Posting, Effect, and Amendment of the Terms

  1. The Company posts these Terms on the website, the in-app settings screen, the sign-up screen, or the payment screen so that members can easily review them.
  2. The Company may amend these Terms within the scope that does not violate applicable laws.
  3. When the Company amends the Terms, it specifies the effective date, the content of the amendment, and the reason, and gives notice from before the effective date through the website, in-app announcements, email, or push notifications.
  4. For amendments that are disadvantageous or material to members, the Company in principle gives notice at least 30 days before the effective date. However, in unavoidable cases such as changes in law, urgent security measures, or error corrections, notice may be given within a reasonable period.
  5. If the Company clearly notifies that failure to express refusal within a certain period will be deemed consent, and the member continues to use the Service without expressing refusal within that period, the member may be deemed to have agreed to the amended Terms.
  6. If a member does not agree to the amended Terms, the member may terminate the service agreement. In this case, refunds of already-paid paid services follow these Terms, applicable laws, and app market policies.

Article 4. Service Content

The Company provides members with the following services.

  1. Curriculum-based foreign-language learning content
  2. Reading passages, grammar, vocabulary, quizzes, and speaking practice
  3. AI phone lessons and conversation practice
  4. Personalized learning paths based on learning level, progress, and error types
  5. Lesson summaries, review materials, feedback, and recommended learning
  6. Notifications, reservations, customer support, and other services determined by the Company

The Company may change all or part of the Service for service improvement, operational needs, or technical reasons. If the core features, provided quantity, or terms of use of a paid service are changed to the disadvantage of members, the Company gives prior notice and obtains consent where necessary.

Article 5. Characteristics and Cautions of AI Phone Lessons

  1. Ringuage uses generative AI to converse with members and provide foreign-language conversation practice, expression correction, review, and learning recommendations.
  2. The answers, feedback, translations, explanations, and recommendations provided by the AI are offered for learning-assistance purposes. The Company does not promise that AI-generated content is always accurate or complete, or that it guarantees any particular learning outcome.
  3. Members must use the AI's answers at their own discretion and must not use the Service for purposes requiring professional judgment, such as medical, legal, financial, psychological counseling, or emergency response.
  4. The quality of AI phone lessons may vary depending on network conditions, device performance, microphone permissions, noise environment, communication environment, and the status of external AI/voice processing systems.
  5. The Company may process call data and learning data for service quality improvement, error analysis, review provision, and dispute response; details follow the Privacy Policy.
  6. Members must not input others' personal information, sensitive information, trade secrets, illegal information, or information that infringes third-party rights while using the Service.

Article 6. Membership Registration and Account Management

  1. A member applies for registration in accordance with the procedures set by the Company, and the service agreement is formed when the Company accepts it.

  2. Members must provide accurate and up-to-date information and promptly update it if it changes.

  3. Members are responsible for securely managing their account and password.

  4. Members may not transfer, lend, share, or pledge their account to a third party.

  5. Activity occurring on a member's account is in principle deemed the activity of that member. However, this does not apply where there is a cause not attributable to the member, such as the Company's fault or a third party's unlawful act.

  6. The Company may refuse a registration application or subsequently terminate the service agreement in the following cases.

    1. False information was provided
    2. Another person's name was used
    3. A child under the age of 14 registered without the consent of a legal representative
    4. A member previously restricted for violating the Terms re-registers
    5. Acceptance is difficult for operational or technical reasons
    6. Other violations of applicable laws or these Terms

Article 7. Use by Minors

  1. Ringuage is, in principle, intended for users aged 14 or older.
  2. A child under the age of 14 needs the consent of a legal representative to use the Service.
  3. A minor under the age of 19 may need the consent of a legal representative to pay for paid services.
  4. If a minor pays for a paid service without the consent of a legal representative, the member or legal representative may request cancellation of the payment in accordance with applicable laws. However, cancellation may be restricted if the minor led the Company or app market to believe that the minor was an adult or that the legal representative's consent had been obtained.

Article 8. Paid Services and Subscriptions

  1. The Company may provide free services and paid services.
  2. The price, provided features, period of use, number of available calls, available call time, billing cycle, automatic renewal, free trial period, cancellation method, and refund conditions of paid services are displayed on the payment screen or the pricing information screen.
  3. Subscription products may be provided in monthly, annual, or other period units determined by the Company.
  4. A subscription is automatically renewed and charged each billing cycle unless the member cancels it.
  5. Before payment, members must check the subscription cycle, payment amount, renewal date, provided features, and cancellation method.
  6. The Company displays the core conditions of subscription services on the payment screen so that members can clearly recognize them.
  7. If the Company offers a free trial, it gives prior notice of the free trial period, the time of conversion to paid, the conversion amount, and the cancellation method.
  8. If a free trial converts to a paid subscription after it ends, the Company or the app market carries out the necessary notice and consent procedures in accordance with applicable laws and app market policies.
  9. If the subscription price increases or a free service converts to a paid recurring payment, the Company gives notice of the price before and after the change, the application time, and the cancellation method, and obtains the necessary consent, in accordance with applicable laws and app market policies.
  10. If a member does not agree to a price change or conversion to paid, the member may cancel the subscription, in which case the changed price will not be charged from the next payment date.

Article 9. Payment

  1. In-app payments are, in principle, processed through the payment systems of app markets such as the Apple App Store or Google Play.
  2. Billing, payment-method management, receipt issuance, refund review, and the like for app market payments may be subject to the policies and procedures of each app market.
  3. If the Company provides payment directly through the website or other payment methods, the policies of the relevant payment method and payment processor, as well as these Terms, apply.
  4. Members must use only payment methods they are authorized to use, and the Company may restrict service use if fraudulent or unauthorized payment is identified.
  5. Taxes, communication charges, data charges, exchange rates, overseas-payment fees, and the like arising in the payment process may be borne by the member, unless the Company has expressly stated that it will bear them separately.
  6. If payment errors, duplicate payments, missed payments, or fraudulent payments are identified, the Company may take necessary measures such as correction, cancellation, refund, or use restriction.

Article 10. Subscription Cancellation

  1. Members may cancel a subscription at any time.
  2. Subscriptions paid through the App Store must be cancelled in the iOS device settings or the App Store subscription management screen.
  3. Subscriptions paid through Google Play must be cancelled in the Google Play payments and subscriptions management screen.
  4. Subscriptions paid through the website or a payment method provided directly by the Company may be cancelled through the in-service account settings, customer support, or a method guided by the Company.
  5. Merely deleting the app, logging out of the account, or not using the Service may not automatically cancel the subscription. Members must complete the subscription cancellation procedure of the app market or as guided by the Company.
  6. Even if a subscription is cancelled, if a paid period remains, the member may, in principle, use the paid service until the end of that period.
  7. After a subscription is cancelled, no charges are billed from the next payment date.
  8. Withdrawing membership may not automatically cancel an app market subscription, so members must complete the subscription cancellation directly in the app market before withdrawal.

Article 11. Withdrawal of Subscription and Refunds

  1. Withdrawal of subscription and refunds for paid services follow these Terms, the Act on Consumer Protection in Electronic Commerce, consumer protection standards related to content, app market policies, and other applicable standards.

  2. Refunds for paid services paid through an app market must, in principle, be requested through the refund procedure of that app market. The Company provides guidance and support to the extent necessary for the member's refund inquiry.

  3. For paid services paid directly to the Company, members may request withdrawal of subscription within the period set by applicable laws.

  4. Where the provision of a service such as digital content or an AI phone lesson has already begun, withdrawal of subscription may be restricted under applicable laws. Where grounds for restricting withdrawal exist, the Company clearly notifies this before payment and obtains the necessary consent.

  5. Refunds may be restricted in the following cases.

    1. Provision of the service has begun with the member's express consent
    2. The member has already used paid calls, content, passes, or benefits
    3. Service use has been restricted due to the member's fault
    4. A considerable period has elapsed since payment such that a refund is restricted under applicable laws or app market policies
    5. Benefits provided free of charge, such as promotions, coupons, or free trials

  6. In the following cases, the Company reviews refund or compensation measures in accordance with applicable laws and app market policies.

    1. The Company fails to provide the paid service properly due to its fault
    2. A service different from the display/advertising or contract content is provided
    3. A duplicate payment or payment error is identified
    4. Withdrawal of subscription or contract rescission is recognized under applicable laws

  7. Where a partial refund is possible, the Company may calculate the refund amount considering the period already used, the call volume used, the benefits provided, app market fees, and related costs.

  8. The time required to process a refund may vary depending on the payment method, app market, card company, and payment processor policies.

Article 12. Service Usage, Fair Use, and Restrictions

  1. The provided features, number of available calls, available call time, number of available reservations, concurrent-access limits, and the like for each paid subscription plan follow the pricing information screen.
  2. Even where the Company uses the term "unlimited" or similar, reasonable fair-use standards may apply to ensure service stability, prevent abnormal use, and prevent excessive system load. In such cases, the Company informs members of the fair-use standards.
  3. If a member uses automation tools, bots, scraping, account sharing, abnormally excessive call requests, or activities causing system load, the Company may restrict usage or temporarily suspend service use after prior warning.
  4. In cases of urgent security threats, service failures, clear unlawful acts, or risk of harm to others, the Company may restrict use to the necessary extent without prior warning.

Article 13. Member Obligations

Members must not engage in the following acts while using the Service.

  1. Providing false information or misappropriating another person's identity
  2. Sharing, transferring, lending, or selling an account
  3. Infringing the intellectual property, personal information, reputation, trade secrets, or other rights of the Company or third parties
  4. Inputting or transmitting inappropriate content such as illegal, obscene, hateful, discriminatory, violent, self-harm, criminal, fraudulent, or spam content
  5. Interfering with the normal operation of the Service
  6. Hacking, reverse engineering, decompiling, or unauthorized access to the app, server, API, AI models, or voice systems
  7. Abnormal access using automation tools, bots, scripts, and the like
  8. Unauthorized reproduction, distribution, sale, or commercial use of AI phone lesson outputs, AI voices, lesson content, app screens, or curriculum
  9. Using the Service, without the Company's prior consent, for developing competing services, AI model training, dataset building, public benchmarking, and the like
  10. Inputting or disclosing others' personal or sensitive information without authorization
  11. Unauthorized use of payment methods, abuse of the refund system, or fraudulent payment
  12. Other violations of applicable laws or these Terms

Article 14. AI Call Recording and Use of Content

  1. The Company may process the conversation content, recordings, transcripts, and lesson summaries of AI phone lessons for service provision, review, quality improvement, error analysis, and dispute response. Details follow the Privacy Policy.
  2. Members may use their own lesson records for review purposes within the features provided by the Company or the scope permitted by the Company.
  3. If a member records, captures, shares, or posts AI calls, AI voices, lesson screens, or learning content outside the app, the member must comply with applicable laws and third-party rights.
  4. Members may not commercially use, or collect/distribute in bulk, AI call content, AI voices, curriculum, lesson materials, app screens, and the like without the Company's prior written consent.
  5. The rights to member content that a member inputs while using the Service belong to the member. However, the member grants the Company the right to use member content within the scope of purposes set out in the Privacy Policy and for service provision, quality improvement, error analysis, security management, customer support, and legal compliance.
  6. If the Company uses a member's personal information for AI model training or service improvement, it follows the Privacy Policy and the related consent procedures.

Article 15. Intellectual Property

  1. Intellectual property rights in the Service, app, website, design, trademarks, logos, curriculum, lesson materials, questions, databases, software, AI tutor characters, AI voices, service structure, and the like belong to the Company or the rightful holders.
  2. Under these Terms, members are granted only a limited, non-exclusive, non-transferable right to use the Service for personal, non-commercial learning purposes.
  3. Without the Company's prior written consent, members may not reproduce, modify, translate, distribute, sell, lend, publicly transmit, create derivative works from, build datasets from, or use for model training the Service or its content.
  4. If a member provides opinions, suggestions, or feedback to the Company while using the Service, the Company may use such feedback free of charge for service improvement. However, personal information is processed in accordance with the Privacy Policy.

Article 16. Suspension and Change of Service

  1. The Company may conduct regular or temporary maintenance to provide a stable service.

  2. The Company may temporarily suspend all or part of the Service in the following cases.

    1. System maintenance, replacement, failure, or communication outage
    2. Failure of external services such as cloud, app markets, AI APIs, speech recognition, or telephony infrastructure
    3. Force majeure such as natural disasters, war, terrorism, epidemics, or power outages
    4. Legal necessity such as laws, government orders, or requests from investigative agencies
    5. Where urgent security measures are necessary

  3. The Company gives prior notice of foreseeable service suspensions. However, where prior notice is difficult due to causes beyond the Company's control, notice may be given afterward.

  4. If a paid service is not provided properly for a considerable period due to the Company's fault, the Company may take reasonable measures such as extending the usage period, compensation, or refund, in accordance with applicable laws and these Terms.

Article 17. Restriction of Use and Termination of Agreement

  1. If a member violates these Terms or applicable laws, the Company may take measures such as warning, feature restriction, call restriction, temporary account suspension, restriction of paid service use, or termination of the service agreement, depending on the severity of the violation.
  2. In principle, the Company informs the member of the reason and the method of objection before taking a use-restriction measure. However, where immediate action is necessary—such as urgent security threats, unlawful acts, risk of harm to others, or causing service failures—the Company may take necessary measures without prior notice.
  3. Members may raise objections to use-restriction measures through the customer support channel.
  4. Members may request membership withdrawal at any time through the in-service account settings or customer support.
  5. Upon membership withdrawal, the Company processes the member's personal information in accordance with applicable laws and the Privacy Policy.
  6. Membership withdrawal does not automatically mean cancellation of an app market subscription. Subscriptions paid through an app market must be cancelled separately by the member in the app market.
  7. If the service agreement is terminated due to the member's fault, refunds of already-paid amounts may be restricted.

Article 18. Protection of Personal Information

  1. The Company processes personal information to the extent necessary to provide the Service.
  2. The Company complies with applicable laws such as the Personal Information Protection Act, and matters concerning the collection, use, storage, destruction, third-party provision, processing entrustment, overseas transfer, and use for AI training of personal information follow the Privacy Policy.
  3. In accordance with the Privacy Policy, members may request access, correction, deletion, suspension of processing, withdrawal of consent, refusal of use for AI training, and the like regarding their personal information.

Article 19. Advertising, Notifications, and Marketing

  1. The Company may send notices necessary for service operation, security alerts, payment alerts, lesson alerts, terms-change notices, and the like via email, in-app notifications, push notifications, and the like.
  2. With the member's consent, the Company may send events, benefits, promotions, and marketing information.
  3. Members may withdraw consent to receive marketing at any time. However, notices essential to service use may be sent regardless of withdrawal of marketing consent.

Article 20. Liability for Damages and Limitation of Liability

  1. If the Company or a member causes damage to the other party by violating these Terms or applicable laws, the party at fault is liable to compensate for the damage.
  2. The Company is not liable for damage arising from service failures, external infrastructure failures, app market failures, communication network failures, the member's device or network problems, or force majeure, where there is no intent or negligence on the part of the Company.
  3. The Company does not guarantee the accuracy, completeness, fitness for a particular purpose, or any particular learning outcome of the learning feedback, translations, explanations, or recommendations provided by the AI.
  4. The Company is not liable for a member's failure to obtain expected scores, learning outcomes, test results, employment, admission, evaluation results, and the like through use of the Service.
  5. The Company is not liable for account theft, information leaks, service-use restrictions, or payment problems arising from the member's fault.
  6. The limitations of liability in this Article apply only to the extent permitted by applicable laws. The Company does not limit its liability for damage caused by its intent or gross negligence.

Article 21. External Services and App Market Policies

  1. The Service may be provided through external services such as app markets, cloud, payment processors, AI APIs, speech recognition, speech synthesis, telephony infrastructure, and analytics tools.
  2. External services may be subject to the terms, privacy policies, and operating policies of the relevant providers.
  3. App market payments, subscription management, refunds, and payment-error handling may be subject to the policies of each app market.
  4. Where an app market policy conflicts with these Terms, the relevant app market policy may take precedence with respect to app market payment and subscription management. However, these Terms apply to the service agreement between the Company and the member.

Article 22. Dispute Resolution

  1. The Company and members endeavor to resolve disputes arising in connection with service use through good-faith consultation.
  2. Members may file complaints or requests for remedy through the customer support email.
  3. The Company endeavors to promptly handle members' legitimate opinions and complaints.
  4. If a dispute is not resolved through consultation, the parties may use external dispute mediation procedures under applicable laws, such as consumer dispute mediation, electronic transaction dispute mediation, and personal information dispute mediation.
  5. These Terms are interpreted in accordance with the laws of the Republic of Korea.
  6. If a lawsuit is filed between the Company and a member, the competent court follows applicable laws such as the Civil Procedure Act.

Article 23. Company Information and Contact

Company: Stophobias, Inc. CEO: Jeongwon Lee Business registration number: 629-88-03811 Address: 7F, Unit 10, 27 Euncheon-ro, Gwanak-gu, Seoul, Republic of Korea Hosting provider: Amazon Web Services (AWS), Vercel Customer support: support@stophobias.com

Addendum

These Terms are effective as of June 25, 2026.