Terms of Service
This version takes effect on November 13, 2026. View the current version →
Chapter 1 General Provisions
Article 1 (Purpose)
The purpose of these Terms of Service (hereinafter referred to as the “Terms”) is to prescribe the rights, obligations, responsibilities, and other necessary matters between HFX Lab (hereinafter referred to as the “Seller”) and Users in connection with the use of services provided by the Seller through mobile devices.
Article 2 (Definitions)
① The terms used in these Terms are defined as follows:
- “Seller” means an individual or business entity providing applications through mobile devices.
- “User” means a person who enters into a user agreement in accordance with these Terms and uses the application provided by the Seller.
- “Mobile Device” means a device capable of downloading or installing applications, including mobile phones, smartphones, Personal Digital Assistants (PDAs), tablets, etc.
- “Application” means any program downloaded or installed and used through a mobile device.
- “Service” means the features, content, and ancillary services provided by the application.
② Terms not defined in Paragraph 1 shall be governed by relevant laws and regulations and general commercial practices.
Article 3 (Validity and Amendment of Terms)
① The Seller shall post the contents of these Terms within the Service or on a connected screen so that Users can easily recognize them. Important provisions, such as service suspension, withdrawal of offer, refund, contract cancellation/termination, and disclaimers, shall be clearly displayed using bold text, colors, or separate connected screens.
② In the event that the Seller amends these Terms, the Seller shall specify the effective date, details of amendment, and reasons for amendment, and give notice within the Service or on a connected screen at least seven (7) days prior to the effective date. However, if the amendments are disadvantageous to the User or involve significant changes, notice shall be given at least thirty (30) days prior to the effective date and communicated to the User pursuant to the method set forth in Article 23. In such cases, the pre-amendment and post-amendment contents shall be clearly compared for readability.
③ When the Seller amends these Terms, it shall confirm whether the User agrees to the application of the amended Terms after notice. The Seller shall also notify that if the User does not express consent or refusal, the User shall be deemed to have consented. If the User does not express refusal by the effective date, the User is deemed to have agreed to the amended Terms. If the User does not agree to the amended Terms, either the Seller or the User may terminate the Application Use Agreement.
④ The Seller shall take measures to enable Users to ask questions and receive answers regarding the contents of these Terms.
⑤ The Seller may amend these Terms to the extent that it does not violate relevant laws and regulations, including the Act on the Consumer Protection in Electronic Commerce, the Act on the Regulation of Terms and Conditions, the Game Industry Promotion Act, the Act on Promotion of Information and Communications Network Utilization and Information Protection, and the Content Industry Promotion Act.
Article 4 (Formation and Application of Agreement)
The User Agreement is formed when the User installs the Application on a Mobile Device and uses the Service.
Article 5 (Rules Outside the Terms)
Matters not specified in these Terms and the interpretation hereof shall be governed by relevant laws and regulations (such as the Act on Consumer Protection in Electronic Commerce, the Act on Regulation of Terms and Conditions, the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc.) and commercial practices.
Chapter 2 Personal Information Management
Article 6 (Protection and Use of Personal Information)
① The Seller strives to protect Users’ personal information in accordance with relevant laws and regulations. The protection and use of personal information shall be governed by applicable laws and the Seller’s Privacy Policy. However, the Seller’s Privacy Policy does not apply to linked third-party services outside of the Service provided by the Seller.
② The Seller shall not be held liable for any damages caused by the leakage of personal information due to reasons attributable to the User.
Chapter 3 Obligations of Contracting Parties
Article 7 (Seller’s Obligations)
① The Seller shall faithfully comply with the rights and obligations prescribed under relevant laws and these Terms in good faith.
② The Seller shall disclose and comply with its Privacy Policy so that Users can safely use the Service. The Seller shall not disclose or provide Users’ personal information to third parties, except as set forth in these Terms and the Privacy Policy.
③ For the continuous and stable provision of the Service, if any defect or loss/damage of data occurs during service improvements, the Seller shall make best efforts to repair or restore it without delay, unless there are unavoidable reasons such as natural disasters, emergencies, or technical limitations that cannot be resolved with current technology.
Article 8 (User’s Obligations)
① Users shall not engage in any of the following acts in connection with the use of the Service provided by the Seller:
- Misusing another person’s credit card, wired/wireless phone, bank account, etc., to purchase paid content;
- Engaging in or inducing gambling or other illegal gaming activities; transmitting, posting, or linking obscene or vulgar information or obscene websites; or transmitting or distributing words, sounds, text, drawings, photos, or videos that cause shame, disgust, or fear to others;
- Using the Service for commercial, business, advertising, promotional, political, or election campaign purposes without authorization, outside its intended purpose;
- Unlawfully copying, distributing, promoting, or commercially exploiting information obtained through the Seller’s Service, or exploiting known or unknown bugs/glitches;
- Defrauding others to gain benefits, or causing harm to others in connection with the use of the Seller’s Service;
- Infringing upon the intellectual property rights or portrait rights of the Seller or third parties, or defaming/damaging the reputation of others;
- Intentionally transmitting, posting, distributing, or using information (computer programs) prohibited by law, or viruses, computer codes, files, or programs designed to disrupt or destroy the normal operation of computer software/hardware or telecommunications equipment;
- Modifying the Application, adding/inserting other programs into the Application, or leaking/altering source code or Application data without special authorization from the Seller, thereby impersonating the Seller;
- Engaging in any other acts that violate relevant laws, public order, or good morals.
② Users are responsible for managing their Mobile Devices. The Seller shall not be liable for any damages caused by negligence in managing the Mobile Device or by permitting third parties to use it.
Chapter 4 Service Use
Article 9 (Provision of Services)
① The Seller shall enable Users who have completed the User Agreement pursuant to Article 4 to use the Service immediately.
② In providing the Service, the Seller may offer additional services alongside the services specified in these Terms.
Article 10 (Use of Services)
① The Seller provides the Service via a dedicated application for Mobile Devices. Users may download and install the Application to use the Service free of charge or for a fee.
② Paid content may only be used after paying the fees specified for the corresponding service.
③ Downloaded and installed applications are provided tailored to the characteristics of the Mobile Device or telecommunication carrier. In the event of a change of Mobile Device, phone number change, or international roaming, all or part of the content may become unavailable, and the Seller shall not be held liable in such cases.
Article 11 (Modification and Suspension of Service)
The Seller may modify the Service according to operational or technical needs to ensure smooth service delivery.
Article 12 (Collection of Information, etc.)
① The Seller may collect and utilize Users’ Mobile Device information (settings, specifications, operating system, version, etc.), excluding personal information, for the purpose of smooth and stable operation and service quality improvement.
② The Seller may request additional information from Users for service improvement and service introduction. Users may accept or decline this request, and when making such a request, the Seller shall notify the User that they have the right to refuse.
Article 13 (Provision of Advertisements)
① The Seller may place advertisements within the Service.
② Banners or links within the Service provided by the Seller may connect Users to advertisements or services provided by third parties.
③ When connected to third-party advertisements or services pursuant to Paragraph 2, such services are outside the Seller’s domain; therefore, the Seller does not guarantee their reliability or safety, and shall not be liable for any damages incurred by Users therefrom, unless the Seller facilitated the occurrence of damage intentionally or through gross negligence, or failed to take measures to prevent damage.
Article 14 (Ownership of Copyright, etc.)
① Copyright and other intellectual property rights in the content produced by the Seller within the Service belong to the Seller.
② Users shall not copy, transmit, publish, distribute, broadcast, or create derivative works of information obtained through the Service in which intellectual property rights belong to the Seller or third-party providers, for commercial purposes or allow third parties to use such information without prior consent.
③ The Seller shall not use User content (e.g., posts on general message boards) without the User’s explicit consent, and Users may delete such User content at any time.
④ If the Seller deems that posts made or registered by Users in the Service violate commercial practices or standards, the Seller may delete, move, or reject registration of such posts without prior notice.
⑤ A User whose legal interests are infringed by information posted on message boards operated by the Seller may request the deletion of such information or the posting of a rebuttal. In this case, the Seller shall promptly take necessary action and notify the applicant.
⑥ This Article remains effective while the Seller operates the Service and survives the termination of the Agreement.
Article 15 (Purchase, Usage Period, and Use of Paid Content)
① Purchases of paid content within the Service are made through in-app payment via the Application.
② The usage period for paid content purchased by Users shall follow the period specified at the time of purchase.
Chapter 5 Cancellation of Orders, Refunds, and Termination
Article 16 (Payment)
① Payments made through the Application shall comply with the payment methods provided by open market store operators (e.g., Apple App Store, Google Play Store).
② If the purchase price of content is paid in foreign currency, the actual billed amount may differ from the price displayed in the Service store due to exchange rates and transaction fees.
Article 17 (Cancellation of Order, Refund, etc.)
Cancellation of orders, refunds, and related matters shall proceed in accordance with the policies of the respective open market store operator based on the operating system of the Mobile Device using the Service.
Article 18 (Contract Termination)
If a User no longer wishes to use the Service, the User may terminate the User Agreement at any time by deleting the Application. As a result, some or all user data held within the Service may be deleted and cannot be recovered.
Chapter 6 Limitation of Liability and Dispute Resolution
Article 19 (Damages)
① If the Seller or the User causes damage to the other party by violating these Terms, the violating party shall be liable to compensate for such damage, unless there is no intent or negligence.
② Where the Seller provides an individual service to Users under an affiliate agreement with an individual service provider, and damage is caused to a User due to the intent or negligence of the individual service provider after the User consents to the individual service terms, the individual service provider shall be liable for such damage.
Article 20 (Limitation of Seller’s Liability / Disclaimer)
① The Seller shall not be held liable for failing to provide the Service due to natural disasters or equivalent force majeure events.
② The Seller shall not be liable for damages arising from service maintenance or other similar reasons, unless caused by the Seller’s intent or negligence.
③ The Seller shall not be liable for disruptions in service use caused by reasons attributable to the User’s intent or negligence, unless the User has an unavoidable or justifiable reason.
④ The Seller shall not be held liable for the reliability, accuracy, etc., of information or materials posted by Users in connection with the Service, unless there is intent or gross negligence on the part of the Seller.
⑤ The Seller has no obligation to intervene in transactions or disputes occurring between Users or between a User and a third party mediated through the Service, and shall not be liable for any damages resulting therefrom.
⑥ The Seller shall not be liable for damages incurred by Users in connection with the use of free services, unless caused by the Seller’s intent or gross negligence.
⑦ The Seller shall not be liable for a User’s failure to obtain, or loss of, expected benefits through the use of the Service.
⑧ The Seller shall not be liable for third-party payments resulting from the User’s failure to manage Mobile Device passwords or passwords provided by open market store operators, unless caused by the Seller’s intent or negligence.
⑨ The Seller shall not be liable if a User is unable to use all or part of the content due to changes in Mobile Device, phone number, operating system (OS) version, international roaming, or telecommunications carrier, unless caused by the Seller’s intent or negligence.
Article 21 (Governing Law and Jurisdiction)
These Terms shall be governed by and construed in accordance with the laws of the Republic of Korea. Any lawsuits arising from disputes between the Seller and the User shall be submitted to the competent court in accordance with procedures prescribed by law.
Article 22 (User Grievances and Dispute Resolution)
① The Seller shall provide guidance on how Users can submit opinions or complaints within the Service or on a connected screen for User convenience.
② If the opinions or complaints submitted by Users are objectively deemed justified, the Seller shall handle them promptly within a reasonable period. If handling requires a prolonged period, the Seller shall notify the User of the reasons and processing schedule.
③ If a dispute arises between the Seller and a User and a third-party dispute mediation body intervenes, the Seller shall faithfully prove any measures taken against the User (such as usage restrictions) and may abide by the mediation of the dispute mediation body.
Article 23 (Notice to Users)
① When the Seller gives notice to Users, it may do so by a notice within the Service, a pop-up screen, or a posting on the Seller’s website (https://hfx.kr).
② For a notice to all Users, the Seller may replace the notice under Paragraph 1 by posting it within the Service or on the Seller’s website for at least seven (7) days.
Effective Date: November 13, 2026
Previous version: effective August 26, 2026 – November 12, 2026
Version history
- November 13, 2026 to upcoming
- August 26, 2026 to November 12, 2026 current
Terms of Service
Chapter 1 General Provisions
Article 1 (Purpose)
The purpose of these Terms of Service (hereinafter referred to as the “Terms”) is to prescribe the rights, obligations, responsibilities, and other necessary matters between HFX Lab (hereinafter referred to as the “Seller”) and Users in connection with the use of services provided by the Seller through mobile devices.
Article 2 (Definitions)
① The terms used in these Terms are defined as follows:
- “Seller” means an individual or business entity providing applications through mobile devices.
- “User” means a person who enters into a user agreement in accordance with these Terms and uses the application provided by the Seller.
- “Mobile Device” means a device capable of downloading or installing applications, including mobile phones, smartphones, Personal Digital Assistants (PDAs), tablets, etc.
- “Application” means any program downloaded or installed and used through a mobile device.
- “Service” means the features, content, and ancillary services provided by the application.
② Terms not defined in Paragraph 1 shall be governed by relevant laws and regulations and general commercial practices.
Article 3 (Validity and Amendment of Terms)
① The Seller shall post the contents of these Terms within the Service or on a connected screen so that Users can easily recognize them. Important provisions, such as service suspension, withdrawal of offer, refund, contract cancellation/termination, and disclaimers, shall be clearly displayed using bold text, colors, or separate connected screens.
② In the event that the Seller amends these Terms, the Seller shall specify the effective date, details of amendment, and reasons for amendment, and give notice within the Service or on a connected screen at least seven (7) days prior to the effective date. However, if the amendments are disadvantageous to the User or involve significant changes, notice shall be given at least thirty (30) days prior to the effective date and communicated to the User pursuant to the method set forth in Article 23. In such cases, the pre-amendment and post-amendment contents shall be clearly compared for readability.
③ When the Seller amends these Terms, it shall confirm whether the User agrees to the application of the amended Terms after notice. The Seller shall also notify that if the User does not express consent or refusal, the User shall be deemed to have consented. If the User does not express refusal by the effective date, the User is deemed to have agreed to the amended Terms. If the User does not agree to the amended Terms, either the Seller or the User may terminate the Application Use Agreement.
④ The Seller shall take measures to enable Users to ask questions and receive answers regarding the contents of these Terms.
⑤ The Seller may amend these Terms to the extent that it does not violate relevant laws and regulations, including the Act on the Consumer Protection in Electronic Commerce, the Act on the Regulation of Terms and Conditions, the Game Industry Promotion Act, the Act on Promotion of Information and Communications Network Utilization and Information Protection, and the Content Industry Promotion Act.
Article 4 (Formation and Application of Agreement)
The User Agreement is formed when the User installs the Application on a Mobile Device and uses the Service.
Article 5 (Rules Outside the Terms)
Matters not specified in these Terms and the interpretation hereof shall be governed by relevant laws and regulations (such as the Act on Consumer Protection in Electronic Commerce, the Act on Regulation of Terms and Conditions, the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc.) and commercial practices.
Chapter 2 Personal Information Management
Article 6 (Protection and Use of Personal Information)
① The Seller strives to protect Users’ personal information in accordance with relevant laws and regulations. The protection and use of personal information shall be governed by applicable laws and the Seller’s Privacy Policy. However, the Seller’s Privacy Policy does not apply to linked third-party services outside of the Service provided by the Seller.
② The Seller shall not be held liable for any damages caused by the leakage of personal information due to reasons attributable to the User.
Chapter 3 Obligations of Contracting Parties
Article 7 (Seller’s Obligations)
① The Seller shall faithfully comply with the rights and obligations prescribed under relevant laws and these Terms in good faith.
② The Seller shall disclose and comply with its Privacy Policy so that Users can safely use the Service. The Seller shall not disclose or provide Users’ personal information to third parties, except as set forth in these Terms and the Privacy Policy.
③ For the continuous and stable provision of the Service, if any defect or loss/damage of data occurs during service improvements, the Seller shall make best efforts to repair or restore it without delay, unless there are unavoidable reasons such as natural disasters, emergencies, or technical limitations that cannot be resolved with current technology.
Article 8 (User’s Obligations)
① Users shall not engage in any of the following acts in connection with the use of the Service provided by the Seller:
- Misusing another person’s credit card, wired/wireless phone, bank account, etc., to purchase paid content;
- Engaging in or inducing gambling or other illegal gaming activities; transmitting, posting, or linking obscene or vulgar information or obscene websites; or transmitting or distributing words, sounds, text, drawings, photos, or videos that cause shame, disgust, or fear to others;
- Using the Service for commercial, business, advertising, promotional, political, or election campaign purposes without authorization, outside its intended purpose;
- Unlawfully copying, distributing, promoting, or commercially exploiting information obtained through the Seller’s Service, or exploiting known or unknown bugs/glitches;
- Defrauding others to gain benefits, or causing harm to others in connection with the use of the Seller’s Service;
- Infringing upon the intellectual property rights or portrait rights of the Seller or third parties, or defaming/damaging the reputation of others;
- Intentionally transmitting, posting, distributing, or using information (computer programs) prohibited by law, or viruses, computer codes, files, or programs designed to disrupt or destroy the normal operation of computer software/hardware or telecommunications equipment;
- Modifying the Application, adding/inserting other programs into the Application, or leaking/altering source code or Application data without special authorization from the Seller, thereby impersonating the Seller;
- Engaging in any other acts that violate relevant laws, public order, or good morals.
② Users are responsible for managing their Mobile Devices. The Seller shall not be liable for any damages caused by negligence in managing the Mobile Device or by permitting third parties to use it.
Chapter 4 Service Use
Article 9 (Provision of Services)
① The Seller shall enable Users who have completed the User Agreement pursuant to Article 4 to use the Service immediately.
② In providing the Service, the Seller may offer additional services alongside the services specified in these Terms.
Article 10 (Use of Services)
① The Seller provides the Service via a dedicated application for Mobile Devices. Users may download and install the Application to use the Service free of charge or for a fee.
② Paid content may only be used after paying the fees specified for the corresponding service.
③ Downloaded and installed applications are provided tailored to the characteristics of the Mobile Device or telecommunication carrier. In the event of a change of Mobile Device, phone number change, or international roaming, all or part of the content may become unavailable, and the Seller shall not be held liable in such cases.
Article 11 (Modification and Suspension of Service)
The Seller may modify the Service according to operational or technical needs to ensure smooth service delivery.
Article 12 (Collection of Information, etc.)
① The Seller may collect and utilize Users’ Mobile Device information (settings, specifications, operating system, version, etc.), excluding personal information, for the purpose of smooth and stable operation and service quality improvement.
② The Seller may request additional information from Users for service improvement and service introduction. Users may accept or decline this request, and when making such a request, the Seller shall notify the User that they have the right to refuse.
Article 13 (Provision of Advertisements)
① The Seller may place advertisements within the Service.
② Banners or links within the Service provided by the Seller may connect Users to advertisements or services provided by third parties.
③ When connected to third-party advertisements or services pursuant to Paragraph 2, such services are outside the Seller’s domain; therefore, the Seller does not guarantee their reliability or safety, and shall not be liable for any damages incurred by Users therefrom, unless the Seller facilitated the occurrence of damage intentionally or through gross negligence, or failed to take measures to prevent damage.
Article 14 (Ownership of Copyright, etc.)
① Copyright and other intellectual property rights in the content produced by the Seller within the Service belong to the Seller.
② Users shall not copy, transmit, publish, distribute, broadcast, or create derivative works of information obtained through the Service in which intellectual property rights belong to the Seller or third-party providers, for commercial purposes or allow third parties to use such information without prior consent.
③ The Seller shall not use User content (e.g., posts on general message boards) without the User’s explicit consent, and Users may delete such User content at any time.
④ If the Seller deems that posts made or registered by Users in the Service violate commercial practices or standards, the Seller may delete, move, or reject registration of such posts without prior notice.
⑤ A User whose legal interests are infringed by information posted on message boards operated by the Seller may request the deletion of such information or the posting of a rebuttal. In this case, the Seller shall promptly take necessary action and notify the applicant.
⑥ This Article remains effective while the Seller operates the Service and survives the termination of the Agreement.
Article 15 (Purchase, Usage Period, and Use of Paid Content)
① Purchases of paid content within the Service are made through in-app payment via the Application.
② The usage period for paid content purchased by Users shall follow the period specified at the time of purchase.
Chapter 5 Cancellation of Orders, Refunds, and Termination
Article 16 (Payment)
① Payments made through the Application shall comply with the payment methods provided by open market store operators (e.g., Apple App Store, Google Play Store).
② If the purchase price of content is paid in foreign currency, the actual billed amount may differ from the price displayed in the Service store due to exchange rates and transaction fees.
Article 17 (Cancellation of Order, Refund, etc.)
Cancellation of orders, refunds, and related matters shall proceed in accordance with the policies of the respective open market store operator based on the operating system of the Mobile Device using the Service.
Article 18 (Contract Termination)
If a User no longer wishes to use the Service, the User may terminate the User Agreement at any time by deleting the Application. As a result, some or all user data held within the Service may be deleted and cannot be recovered.
Chapter 6 Limitation of Liability and Dispute Resolution
Article 19 (Damages)
① If the Seller or the User causes damage to the other party by violating these Terms, the violating party shall be liable to compensate for such damage, unless there is no intent or negligence.
② Where the Seller provides an individual service to Users under an affiliate agreement with an individual service provider, and damage is caused to a User due to the intent or negligence of the individual service provider after the User consents to the individual service terms, the individual service provider shall be liable for such damage.
Article 20 (Limitation of Seller’s Liability / Disclaimer)
① The Seller shall not be held liable for failing to provide the Service due to natural disasters or equivalent force majeure events.
② The Seller shall not be liable for damages arising from service maintenance or other similar reasons, unless caused by the Seller’s intent or negligence.
③ The Seller shall not be liable for disruptions in service use caused by reasons attributable to the User’s intent or negligence, unless the User has an unavoidable or justifiable reason.
④ The Seller shall not be held liable for the reliability, accuracy, etc., of information or materials posted by Users in connection with the Service, unless there is intent or gross negligence on the part of the Seller.
⑤ The Seller has no obligation to intervene in transactions or disputes occurring between Users or between a User and a third party mediated through the Service, and shall not be liable for any damages resulting therefrom.
⑥ The Seller shall not be liable for damages incurred by Users in connection with the use of free services, unless caused by the Seller’s intent or gross negligence.
⑦ The Seller shall not be liable for a User’s failure to obtain, or loss of, expected benefits through the use of the Service.
⑧ The Seller shall not be liable for third-party payments resulting from the User’s failure to manage Mobile Device passwords or passwords provided by open market store operators, unless caused by the Seller’s intent or negligence.
⑨ The Seller shall not be liable if a User is unable to use all or part of the content due to changes in Mobile Device, phone number, operating system (OS) version, international roaming, or telecommunications carrier, unless caused by the Seller’s intent or negligence.
Article 21 (Governing Law and Jurisdiction)
These Terms shall be governed by and construed in accordance with the laws of the Republic of Korea. Any lawsuits arising from disputes between the Seller and the User shall be submitted to the competent court in accordance with procedures prescribed by law.
Article 22 (User Grievances and Dispute Resolution)
① The Seller shall provide guidance on how Users can submit opinions or complaints within the Service or on a connected screen for User convenience.
② If the opinions or complaints submitted by Users are objectively deemed justified, the Seller shall handle them promptly within a reasonable period. If handling requires a prolonged period, the Seller shall notify the User of the reasons and processing schedule.
③ If a dispute arises between the Seller and a User and a third-party dispute mediation body intervenes, the Seller shall faithfully prove any measures taken against the User (such as usage restrictions) and may abide by the mediation of the dispute mediation body.
Article 23 (Notice to Users)
① When the Seller gives notice to Users, it may do so by a notice within the Service, a pop-up screen, or a posting on the Seller’s website (https://hfx.kr).
② For a notice to all Users, the Seller may replace the notice under Paragraph 1 by posting it within the Service or on the Seller’s website for at least seven (7) days.
Effective Date: November 13, 2026
Previous version: effective August 26, 2026 – November 12, 2026