TO Apps

Terms of Use

Japanese version prevails

This document is provided in Japanese and English. In case of any discrepancy between the Japanese and English versions, the Japanese version shall prevail.

Article 1 Scope

  1. These Terms of Use apply to all relationships concerning the use of the smartphone application “Shuffleep” (hereinafter “the Service”) provided by the Operator.
  2. By downloading or starting to use the Service, the User is deemed to have agreed to all provisions of these Terms.
  3. These Terms serve as a supplementary agreement to the Apple Standard EULA (End User License Agreement). In the event of any conflict between the Apple Standard EULA and these Terms, the Apple Standard EULA shall prevail.

Article 2 Description of the Service

  1. The Service is an application that provides sleep-induction sessions centered on the Cognitive Shuffle Sleep Method. Sessions can be configured by optionally combining “Meditation (introduction)” and “Word Shuffle (core feature).”
  2. 1/f fluctuation acoustic and visual effects are positioned as supplementary elements that help create a calming environment during sessions. They are not core features.
  3. The features of the Service are classified as follows.
    • Free features: Limited-theme word shuffle, limited meditation audio, sessions with default settings
    • Premium features: All-theme word shuffle, all meditation audio, unlimited creation and editing of Custom Word Sets, sessions with additional settings
  4. Use of Premium features requires a separate subscription.

Article 3 Account / User Identification

  1. The Service identifies Users through their Apple ID (on iOS) or Google Play account (on Android). The Service does not issue its own login IDs or passwords.
  2. User identification uses the anonymous customer ID automatically generated by RevenueCat. Personally identifiable information (name, email address, etc.) is not stored on the Service side.
  3. Users are responsible for managing their own Apple ID / Google Play accounts. The Operator is not liable for any damages arising from unauthorized use of an account.

Article 4 Subscription / Billing

  1. To use Premium features, Users must subscribe to a monthly plan of JPY 240 (tax included).
  2. A 7-day free trial period applies upon initial subscription. If the User completes cancellation during the free trial period, no charges will be incurred.
  3. After the free trial period ends, or if the User subscribes without a free trial, the monthly fee of JPY 240 (tax included) will be automatically charged at the following timing.
    • iOS: Automatically charged through the App Store subscription system using the payment method linked to the User’s Apple ID.
    • Android: Automatically charged through the Google Play subscription system using the payment method linked to the User’s Google Play account.
  4. Subscriptions renew automatically. If the User does not cancel before the renewal date, the next month’s fee will be charged automatically.
  5. How to cancel:
    • iOS: iPhone “Settings” app > Your name (Apple ID) > “Subscriptions” > “Shuffleep Premium” > “Cancel Subscription”
    • Android: Google Play app > Profile icon > “Payments & subscriptions” > “Shuffleep Premium” > “Cancel Subscription”
  6. After cancellation, Premium features remain available until the end of the current billing period. No prorated refunds are provided for mid-period cancellations.
  7. Due to the nature of digital content, refunds are generally not available after purchase. Any exceptions to the refund policy are subject to the policies of Apple Inc. or Google LLC.

Article 5 Prohibited Conduct

Users must not engage in any of the following acts when using the Service.

  1. Reverse engineering, decompiling, or disassembling the Service’s source code, audio data, word data, narration scripts, or other materials
  2. Unauthorized copying, redistribution, sale, or commercial use of audio data, word data, or other materials
  3. Mass access to the Service using automated tools, scripts, crawlers, or similar means that impose excessive load on servers
  4. Providing false purchase or subscription information, or obtaining such information through fraudulent means
  5. Providing information obtained through the Service to third parties (except as required by law)
  6. Infringing on the rights of other Users or engaging in acts contrary to public order and morality
  7. Interfering with the operation of the Service or any other acts that the Operator deems inappropriate

Article 6 Intellectual Property Rights

  1. Copyrights, trademark rights, and all other intellectual property rights relating to the programs, word data, audio files, narration scripts, text, images, videos, trademarks, and all other content contained in the Service (hereinafter “the Content”) belong to the Operator or the rightful holders.
  2. Users are granted only the right to use the Service within the scope defined in these Terms, and do not acquire ownership or intellectual property rights to the Content.
  3. Information relating to Custom Word Sets (word lists, names, etc.) created by Users within the Service (hereinafter “User Decks”) belongs to the User. However, User Decks can only be used within the Service, and no export functionality is provided.

Article 7 Disclaimer / Health Claim Restrictions

  1. The Service is not a medical device or medical practice. It is not intended for the diagnosis, treatment, or prevention of insomnia, sleep disorders, or any other disease.
  2. The effects of the Service vary from person to person, and there is no guarantee that all Users will experience the same results.
  3. The Service is provided for entertainment and wellness purposes to assist with sleep induction. Users experiencing persistent sleep issues are encouraged to consult a healthcare professional.
  4. The Operator is not liable for any damages (including but not limited to physical or mental harm, data loss, or device malfunction) arising from the use of the Service, unless caused by the Operator’s intentional misconduct or gross negligence.
  5. The Service will not use any of the following expressions in its representations and descriptions (see also the separate “Health Claim NG Expression List” for details).
    • Expressions suggesting disease treatment (e.g., “treat insomnia,” “cure sleep disorders”)
    • Expressions suggesting replacement for medical treatment or medication (e.g., “replacement for medical prescription,” “alternative to sleeping pills”)
    • Guaranteed efficacy claims (e.g., “guaranteed to fall asleep,” “100% effective”)
    • Exaggerated medical claims (e.g., “clinically proven,” “medically recommended”)
    • Denial of side effects or dependency (e.g., “no side effects,” “non-habit forming”)
    • Superiority claims that may violate advertising regulations (e.g., “most effective,” “industry No. 1”)
  6. The availability, features, and design of the Service may change without prior notice.

Article 8 Service Changes / Termination

  1. The Operator may change the content of the Service, discontinue certain features, or terminate the Service by providing at least 30 days’ notice within the Service or at a public URL.
  2. If the User does not cancel during the notice period, the User is deemed to have accepted the changes.
  3. If the Service is terminated, the Operator will provide reasonable notice to Users. However, no refunds will be issued for fees already paid upon termination.

Article 9 Revision of Terms

  1. The Operator may revise these Terms as necessary.
  2. Revisions will be published via in-Service notifications and at a public URL.
  3. For material revisions (including changes that significantly affect Users’ rights and obligations), the Operator may require Users to re-consent upon first use after the revision.
  4. If the User does not agree to the revised Terms, the User should discontinue use of the Service and cancel the subscription.

Article 10 Governing Law / Jurisdiction

  1. These Terms are governed by and construed in accordance with the laws of Japan.
  2. Any disputes arising from or relating to the Service shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.

Article 11 Contact Information

For inquiries regarding the Service, please contact the following.