Terms of Service

Article 1 (Purpose)

These Terms of Service define the necessary matters regarding the use of the HeyFast app service provided by Nomad88 Co., Ltd. (hereinafter referred to as the “Company”), including features such as intermittent fasting tracking, timers, and weight management, as well as related services.

Article 2 (Definitions)

  1. Service: Refers to the HeyFast service that provides intermittent fasting timers, fasting and meal logs, management of health-related information such as weight, age, and gender, cloud backup, and AI-based analysis features.
  2. Member: Refers to an individual who agrees to these Terms and uses the Service.
  3. User Information: Refers to the data entered by a member for the use of the Service, such as fasting records, weight, gender, age, and email address.
  4. Cloud Service: Refers to a function that stores and synchronizes data on the Company’s server, in addition to local data, if the member consents to it.
  5. Paid Service (Subscription): Refers to a subscription-based service within the HeyFast app that allows users to access additional features (such as AI analysis or cloud backup) through monthly or annual payments. Subscriptions may be automatically renewed, and the conditions and cancellation procedures for auto-renewal follow the app market policies and in-app guidance.

Article 3 (Posting and Amendment of the Terms)

  1. The Company shall post these Terms within the app settings or on a connected screen for easy access by members.
  2. The Company may amend these Terms to the extent that it does not violate applicable laws.
  3. When the Terms are amended, the Company shall announce the effective date and the reasons for the amendment at least 7 days prior to enforcement, and at least 30 days in advance if the amendment is disadvantageous to users.
  4. If a member continues to use the Service after the amended Terms take effect, the member shall be deemed to have agreed to the revised Terms.

Article 4 (Interpretation of the Terms)

  1. The Company may establish separate operating policies, and if such policies conflict with these Terms, the individual service terms shall prevail.
  2. Matters not specified in these Terms or their interpretation shall be governed by operating policies, usage guidelines, and applicable laws.

Article 5 (Formation of Service Agreement)

  1. The service agreement is established when a member agrees to these Terms and completes the sign-up process prescribed by the Company, and the Company approves the application.

  2. The Company may refuse approval in any of the following cases:

    1. When false information is provided
    2. When an individual under the age of 14 applies without legal guardian consent
    3. When the application is deemed inappropriate for other reasons

  3. Some features of the Service may be provided without membership (based on local storage).

Article 6 (Protection of Personal Information)

  1. The Company collects only the minimum personal information necessary for operating the Service, which is primarily stored on the local device.
  2. If the member provides optional consent, identifiable information such as an email address may be stored on the Company’s server for cloud backup and AI analysis features.
  3. The Company complies with the Personal Information Protection Act and other relevant laws, and specific details are governed by the separate Privacy Policy.

Article 7 (Notifications to Members)

  1. Unless otherwise specified, the Company may notify members through email, phone, or other electronic means within the Service.
  2. For notices to all members, the Company may replace individual notifications by posting them on the Service website or app home screen for at least seven days.

Article 8 (Obligations of the Company)

  1. The Company shall comply with relevant laws and these Terms and make efforts to provide continuous and stable services.
  2. The Company shall take reasonable security measures for safe service use and publish and comply with its Privacy Policy.
  3. In the event of service interruptions, failures, or changes, the Company shall provide prior (or post, if unavoidable) notice and strive for prompt recovery.
  4. The Company shall process legitimate user complaints and feedback within a reasonable period and inform the results.
  5. The Company shall inform users within the app about how the AI analysis feature operates, how data is processed, and its limitations, and clearly state that it is not a medical service or professional consultation.

Article 9 (Obligations of Members)

  1. Members shall comply with applicable laws, these Terms, operating policies, usage guides, notices, and other communications from the Company.

  2. Members shall not engage in the following acts:

    1. Violation of these Terms, policies, or notices
    2. Activities that disrupt service operations, such as hacking, malware distribution, or DDoS attacks
    3. Unauthorized modifications such as reverse engineering, decompiling, or disassembling
    4. Dissemination of false information or interference with operations
    5. Infringement of the Company’s or third parties’ intellectual property rights
    6. Posting or inputting obscene, violent, or otherwise unethical content
    7. Unauthorized commercial use, account sharing, lending, or transfer
    8. Abnormal access or overloading through automated tools
    9. Any act in violation of current laws

  3. If the Company requests data submission or explanation to verify violations, the member shall cooperate in good faith.

  4. Violations of this Article may result in warnings, function restrictions, or measures under Article 15 (Restrictions on Use), and the Company shall not be liable for any resulting damages.

Article 10 (Provision of Service)

  1. The Company shall provide the Service immediately after the service agreement under Article 5 is established. However, certain services may begin on a date designated by the Company.

  2. The Service is, in principle, available 24 hours a day, 365 days a year, but may be temporarily suspended for the following reasons. In such cases, the Company shall notify users according to Article 7 (post-notice is allowed if the downtime is less than three hours or unavoidable):

    1. Regular maintenance, server expansion or replacement, network instability, or other operational needs
    2. System failure, power outage, telecommunication provider maintenance, or traffic overload
    3. Force majeure events such as natural disasters, war, or national emergencies

  3. The Company may conduct regular maintenance and will announce the schedule within the Service screen.

Article 11 (Changes to the Service)

  1. The Company may modify the content, operation, or technical aspects of the Service to ensure stable provision.
  2. Changes that significantly affect members’ rights or obligations shall be announced at least seven days before implementation (30 days for disadvantageous changes).
  3. The Company may modify, suspend, or discontinue all or part of the free or paid services as needed for policy or operational reasons and shall not provide separate compensation unless otherwise required by law.
  4. If a member does not agree to the changes, they may express their refusal and terminate the service agreement.

Article 12 (Use and Responsibility for Content)

  1. Analyses, recommendations, and other content provided by the Service are algorithm-based and not guaranteed for accuracy, completeness, or fitness for a particular purpose.
  2. The Service is a lifestyle management tool, not a medical service, and should not be interpreted as medical advice for diagnosis, treatment, or prevention. In urgent or medical situations, members should consult a healthcare professional (as stated in the app).
  3. Any losses resulting from unauthorized use of Service content are the sole responsibility of the member, and the Company bears no liability.
  4. Members may not use Company- or third-party-owned content for commercial or personal gain without prior consent from the rights holder.

Article 13 (Provision of Information and Advertisement)

  1. The Company may provide service-related information or advertisements via app notifications, email, or SMS. Advertising information is sent only with user consent, and members may withdraw consent at any time.
  2. Mandatory notices such as legal or service updates may be sent regardless of consent.
  3. The Company is not responsible for any losses or damages arising from communications or transactions between members and advertisers.

Article 14 (Ownership of Rights Related to the Service)

  1. Copyrights and intellectual property rights to the Service belong to the Company.
  2. Copyrights to personal data created by members, such as fasting records, belong to the respective members.
  3. Members grant the Company a non-exclusive, royalty-free, and purpose-limited license to store, reproduce, transmit, back up, and process such data within the scope necessary for service provision, operation, backup, security, and quality improvement (including anonymization and statistical processing).
  4. The Company shall notify users at least 30 days before the termination of the Service and initiate refund procedures for paid services.

Article 15 (Restrictions on Use)

  1. If a member uses the Service in an illegal, unethical, or immoral way, or violates these Terms or laws, the Company may take measures such as warnings, function restrictions, service suspension, deletion of posts, or account termination.
  2. Members may appeal according to the Company’s procedures, and if the appeal is deemed legitimate, the Service will be reinstated immediately.

Article 16 (Termination of Service Agreement)

  1. Members may request termination (withdrawal) of the Service agreement at any time through the in-app settings, and the Company will process it in accordance with applicable laws.
  2. The Company may terminate the agreement if the member violates these Terms or falls under Article 15.
  3. Upon termination, member data will be deleted except for information required by law to be retained. Data necessary for dispute resolution may be temporarily stored before deletion.

Article 17 (Limitation of Liability)

  1. The Company shall not be liable for service interruptions caused by force majeure events such as natural disasters, DDoS attacks, or telecommunication failures.
  2. The Company shall not be liable for issues arising from the member’s fault, environment (device or network), or app market errors beyond its control.
  3. Unless otherwise provided by law, the Company shall not be liable for free services.

Article 18 (Formation of Paid Service Agreement)

  1. Paid service agreements such as in-app purchases or subscriptions are formed when a member agrees to these Terms and completes payment through methods provided by the Company. For app market payments, the respective app market’s policy shall prevail.

  2. The Company may refuse, postpone, or cancel purchases in the following cases:

    1. Suspected fraud or abnormal transactions
    2. False or missing essential information
    3. Purchases by minors under 19 without guardian consent
    4. Non-payment or insufficient payment capability
    5. Prior serious violations of these Terms
    6. Violations of laws, public morals, or Company policies

  3. The Company may temporarily suspend approval or provision of services due to system issues or internal reasons.

  4. Once a paid service agreement is properly concluded, the Company shall provide access to its contents for member review.

Article 19 (Subscription, Payment, and Cancellation)

  1. Subscriptions may be automatically renewed. Prices, billing cycles, next payment dates, and cancellation methods are displayed on the app market payment screen and within the app’s subscription management section.
  2. Auto-renewal can be canceled directly through the app market’s subscription management, and users can continue using the service until the end of the paid period.

Article 20 (Withdrawal of Paid Service Purchase)

  1. In accordance with the Act on Consumer Protection in Electronic Commerce and related laws, members may withdraw from a purchase within seven (7) days of purchase or provision. However, withdrawal may be restricted in the following cases, which shall be notified at the time of purchase:

    1. When the product has already been used or partially used, significantly reducing its value
    2. When the item was provided for free (e.g., promotions)
    3. When otherwise restricted by law

  2. If the Service differs from its advertisement or is performed differently from the contract, withdrawal may be made within three months of receipt or thirty days of becoming aware of the discrepancy.

  3. Refunds and payment cancellations follow the policies of the relevant payment channel (including app markets), and the Company cannot directly process payments or refunds outside those systems.

    1. For payments made via the Apple App Store, all refunds and subscription cancellations must follow Apple’s policies and customer support procedures. The Company cannot directly process or mediate refunds, cancellations, or terminations.
    2. For payments made via the Google Play Store, the Company’s customer support may apply the Company’s own refund policy.
    3. For other payment methods, applicable laws and the payment processor’s policies shall apply.

Article 21 (Effect of Withdrawal)

  1. Upon receiving a valid withdrawal request (or confirmation of receipt of funds), the Company shall initiate the refund process within five (5) business days.

    • For Google Play Store payments, the Company approves the refund and then submits a cancellation or refund request to Google. The actual timing and method of the refund are governed by Google’s policies.
    • For Company-processed (direct) payments, the Company refunds using the same payment method. If the same method is not possible, the Company will notify the member in advance.
    • For Apple App Store payments, the Company may guide the member through Apple’s refund procedure; however, whether and when a refund is granted is entirely determined by App Store policies.

  2. For early termination of time-based subscriptions, the refund amount may be calculated by deducting usage fees (pro-rata based on list price). Exceptions apply if the refund is due to Company fault.

  3. The Company will request cancellation or suspension of charges from the payment provider. For app market payments (e.g., Google Play and Apple App Store), the respective app market policies shall prevail.

Article 22 (Special Provisions for Contracts with Minors)

  1. Paid service contracts by minors or other persons with limited legal capacity require the consent of a legal representative. Contracts made without consent may be canceled, except in cases involving active deception or other exceptions under law.

Article 23 (Termination of Paid Service Contract)

  1. Either party may terminate the paid service contract if the other party fails to perform contractual obligations for a significant period.
  2. The Company may immediately terminate the contract if a member falls under Article 15.
  3. After membership withdrawal, recovery of data is not possible except for information required by law to be retained.

Article 24 (Limitation of Liability for Paid Service Contracts)

  1. The Company shall not be liable for failure to perform a paid service contract due to force majeure.
  2. The Company is exempt from liability if non-performance is attributable to the member.
  3. The Company bears no responsibility for disputes between members or between a member and a third party.

Article 25 (Language, Governing Law, and Jurisdiction)

  1. These Terms are written in Korean as the official version and shall be governed by the laws of the Republic of Korea.
  2. Any disputes arising under these Terms shall be brought before the competent court in accordance with the Civil Procedure Act of Korea.

Supplementary Provisions

These Terms of Service shall take effect on November 1, 2025.