Cuo Terms of Service
Effective Date: February 24, 2026
Company Name: Cuo
Operator: Hyun Jeong-eun
Email: hjehaj@gmail.com
Article 1 (Purpose)
The purpose of these Terms and Conditions is to define the rights, obligations, and responsibilities between the Company and the Member regarding the use of the women's health management and lifestyle mobile application service (hereinafter the “Service”) provided by Cuo (hereinafter the “Company”).
Article 2 (Definitions of Terms)
“Service” refers to all functions provided by the company through the mobile application Cuo.
“Member” refers to a person who agrees to these Terms and Conditions and uses the Service.
"Premium Member" refers to a member who has completed a paid subscription payment and uses additional features.
“Health data” refers to statistical data related to menstruation start and end dates, symptoms, condition, and cycle entered by the member.
“Content” refers to horoscopes, health guides, bulletin board posts, etc., produced and provided by the company.
“Report for Physician Submission” refers to reference summary data generated based on health data entered by a member, and it does not replace a diagnosis or prescription from a medical institution.
Article 3 (Contents of Service)
The company provides the following functions.
Menstrual record management function
Menstrual cycle prediction function
Ovulation date and fertile period prediction function
Periodic statistical analysis function
Average cycle and period analysis
Cycle Step Guide
Push notification feature
Partner invitation and information sharing features
Premium subscription service
🔹 Partner Invitation Feature
Members may use the partner invitation feature to share their menstrual cycle information and health data summaries with third parties.
Partner invitations can be made in various ways, such as via text message or link sharing, and recipients can receive the invitation link even if they are not members.
However, the invited party must complete the membership registration process to actually use the information viewing function within the service.
The Company does not automatically share health data without the explicit consent of the Member, and the scope of sharing is limited to items directly set by the Member.
Members must not enter the personal information of others without authorization or invite them without consent.
🔹 Premium Member Exclusive Features
The following features are available only to Premium members.
Information board content viewing and comment functions
Use Saju and fortune-telling content
Location-based OB/GYN search function (only medical institutions within South Korea can be searched)
Report generation and saving functions for submission to doctors
Features designated by other companies as premium-exclusive
The company may add, change, or discontinue features as necessary for service operations.
Article 4 (Notification that it is not a medical act)
This service is not a medical institution and does not provide medical services.
Menstruation prediction, ovulation date calculation, fertility period prediction, and health guides are for reference only.
Actual results may vary depending on an individual's physical condition, hormonal status, and the presence of diseases.
Reports submitted to physicians are provided for reference purposes only and do not replace a diagnosis or prescription from a medical institution or have legal effect.
You must consult a medical professional regarding pregnancy planning, contraception, and the assessment of health issues.
The company does not guarantee the accuracy of service information or specific results.
Article 5 (Formation of Service Contract)
The service agreement is established when the member agrees to these Terms and Conditions and uses the App.
Members must provide accurate information.
If you misuse another person's information, your use of the service may be restricted.
This service is available only to those aged 14 and older.
Children under the age of 14 are restricted from signing up and using the service without the consent of a legal representative.
Article 6 (Duties of Members)
Members must not engage in the following acts.
Theft of another person's personal information
False data entry
Attempt to hack or tamper with the app system
Unauthorized reproduction of company content
Illegal advertising or promotional activities
Posting slander, profanity, or obscene expressions in comments
Article 7 (Bulletin Board Operation Policy)
Only the company (administrator) can post on the bulletin board within the Cuo app.
Regular members are not provided with the post creation function.
Only premium members can post comments.
The company may delete comments that violate the operating policy without prior notice.
The author is legally responsible for the content of the comments.
Article 8 (Premium Service and Payment)
Premium services are provided on a subscription basis.
1-month subscription
1-year subscription
Payments are made through the Apple App Store or Google Play payment systems.
The subscription automatically renews.
Automatic renewal will be automatically extended unless canceled at least 24 hours before the subscription ends.
You must cancel your subscription directly in each store account settings.
Refunds are subject to Apple and Google's refund policies.
Premium features may be automatically restricted if payment fails.
Article 9 (Use of Location Information)
The OB/GYN search feature is available to premium members and is based on location information.
This function allows you to view information on medical institutions within South Korea.
Location information is used only within the scope of the purpose for which the function is provided.
Members can refuse to provide location information through their device settings.
Matters regarding the processing of location information are subject to separate location information terms of use.
Article 10 (Storage and Deletion of Data)
Health data entered by members is stored within the scope of the purpose of providing the service.
When you withdraw your membership, related data will be deleted immediately.
Information that requires retention for a certain period in accordance with laws and regulations will be deleted after that period.
Article 11 (Intellectual Property Rights)
The app UI, design, algorithms, content, etc. belong to the company's intellectual property rights.
Unauthorized reproduction, distribution, and commercial use are prohibited.
Article 12 (Suspension of Service)
The Company may temporarily suspend all or part of the Service in the event of server maintenance, system failure, or force majeure.
Article 13 (Restriction on Use and Account Suspension)
The Company may take measures such as deleting comments, restricting premium features, or suspending or deleting accounts in the event of a violation of the Terms and Conditions.
Article 14 (Exemption Clause)
The company is not responsible for the following matters.
Damage caused by errors in menstruation prediction
Pregnancy or contraceptive failure
Member input error
Communication environment issues
Store payment system error
Article 15 (Amendment of Terms and Conditions)
The Company may revise the Terms and Conditions in the event of changes to relevant laws or service policies, and will announce such changes within the app.
Article 16 (Governing Law and Jurisdiction)
These Terms and Conditions are governed by the laws of the Republic of Korea, and in the event of a dispute, the court having jurisdiction over the Company's所在地 (location) shall have exclusive jurisdiction.