Terms of Use

These terms apply to the GutC iPhone app and optional Apple Watch app provided by Hédéonix, represented by Yeonsun Shin.

By downloading or using the app, you acknowledge these terms and the Privacy Policy. Mandatory consumer-protection law in your place of residence prevails where it cannot lawfully be waived.

GutC is a personal journal that helps users remember and review information they enter or authorize about metabolic-health medication therapy and routine health checks. It organizes scheduled and actual medication entries, body and lifestyle observations, tests, expenses, and inventory notes.

GutC is not a medical device, diagnostic service, emergency service, dose calculator, or treatment recommendation service. Decisions about prescriptions, starting or stopping medication, changing dose or timing, and unusual symptoms must be discussed with an appropriate clinician or pharmacist.

You are responsible for checking entries, schedules, units, and notification settings. Notifications may be delayed or missed because of device status, permissions, Focus modes, battery, network, time zone, or operating-system behavior. Do not rely on an app notification alone for important treatment decisions or emergency response.

For severe or sudden symptoms, an emergency, or a risk of self-harm, contact local emergency services or a medical provider immediately instead of using the app.

Apple Health integration is optional and operates only for categories you authorize. All core iPhone features remain available without Apple Watch. StoreKit, the App Store, HealthKit, iCloud Photos, and device-to-device transfer are governed by Apple’s terms, policies, and service availability.

The operator does not control interruptions or changes to Apple services or the settings of a user’s device or account.

Eligible new users may receive the free trial shown on the App Store subscription sheet. Unless canceled before the trial ends, it automatically renews at the confirmed annual subscription price. The purchase confirmation sheet controls the actual price, tax, currency, eligibility, and renewal date.

Subscriptions can be managed or canceled in Apple Account subscription settings. Cancellation takes effect at the end of the already-paid period. Refund requests are handled by Apple under Apple policy and applicable law. Restore Purchases restores entitlement for the same Apple Account; it does not restore health records stored on a device.

When a subscription ends, creation of new entries or some convenience features may be restricted. While the app remains installed and the data remains on the device, the service is designed to keep existing records readable and to retain available deletion, backup, and export controls.

Subscription entitlement and journal data are separate. Restoring a subscription does not bring back deleted or lost records; moving records requires an encrypted backup created by the user.

GutC does not operate a proprietary member account or health-data server. Records are stored primarily on the user’s device. App deletion, device loss, damage, reset, or operating-system failures can cause data loss, so users should create an encrypted full backup when needed.

The operator cannot recover a forgotten backup password. CSV files are not encrypted and must be stored and shared carefully.

You must not use the app unlawfully; bypass security, purchase verification, or access restrictions; enter, extract, or disclose another person’s health information without authority; or interfere with the app, service, or rights of others.

The GutC name, logo, burrow world, illustrations, interface, copy, and software belong to Hédéonix or their lawful rights holders. They may not be copied, distributed, modified, sold, or stripped of rights notices beyond personal use of the app.

The app and these terms may change for security, operating-system compatibility, improvements, or legal compliance. Material changes will be communicated on this page, in the app, or through the App Store description.

The operator uses reasonable care but cannot promise uninterrupted or error-free operation on every device and operating system. Nothing here limits liability for intentional misconduct, gross negligence, injury to life or body, or any liability that applicable law does not permit us to exclude. Visit Support for help.

These terms are interpreted under the laws of the Republic of Korea without excluding mandatory consumer rights or statutory jurisdiction in the user’s place of residence.