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Terms of Service for NihongoFlow.com

Effective Date: July 27, 2025 Last Updated: August 14, 2025

Welcome to NihongoFlow.com! These Terms of Service ("Terms") govern your access to and use of the NihongoFlow.com website, its content, features, and any services offered (collectively, the "Service"), operated by NihongoFlow ("we," "us," or "our").

Please read these Terms carefully. By creating an account or using our Service, you agree to be bound by these Terms and our Privacy Policy.

1. Account Registration and Security

  • Eligibility: You must be at least 13 years old to use the Service. If you are under 18, you must have your parent or legal guardian's permission to use the Service and they must agree to these Terms on your behalf.
  • Registration: You can create an account using an email and password or by using a third-party service like Google. You agree to provide accurate, current, and complete information during registration and to keep this information updated.
  • Account Security: You are responsible for safeguarding your password and for all activities that occur under your account. You must notify us immediately of any unauthorized use of your account.

2. Subscriptions, Payments, and Refunds

We offer several subscription plans to access our Service. The features and pricing for each plan are detailed on our website's pricing page. All payments and subscriptions are securely processed by our Merchant of Record, Lemon Squeezy.

Billing and Cancellations

  • Recurring Billing: Subscriptions are billed on a recurring basis (e.g., monthly) as selected at the time of purchase. Your subscription will automatically renew at the end of each billing cycle unless you cancel it.
  • Cancellations: You may cancel your paid subscription at any time through your account settings or the billing portal provided by Lemon Squeezy. The cancellation will take effect at the end of your current billing period. You will retain access to the paid features until your current subscription period expires.

Customer Service and Refunds

  • Refund Policy for First-Time Subscribers: We offer a satisfaction guarantee applicable only to a user's first-ever monthly subscription to the Service. You may request a full refund at any time before your first monthly renewal date.
  • Eligibility and Process: Email support@nihongoflow.com to request a refund. If your request is approved under our policy, the refund will be processed by our partner, Lemon Squeezy, to your original payment method.

Price Changes

  • We reserve the right to change our subscription prices. We will provide you with reasonable prior notice of any price changes. Any price changes will take effect at the start of the next subscription period following the date of the price change.

3. Use of the Service

  • License: We grant you a limited, non-exclusive, non-transferable, and revocable license to use our Service for your personal, learning purposes, subject to these Terms.
  • AI-Powered Features: Our Service utilizes artificial intelligence (AI) for features like chat practice. You acknowledge that:
    • AI-generated content, feedback, and translations may not always be 100% accurate or complete. The Service is a learning aid, not a substitute for professional translation or instruction.
    • Your interactions with the AI (e.g., chat messages) will be processed by our AI systems to provide the service.

4. User-Generated Content

  • Your Content: You retain ownership of all the content you create, upload, or import into the Service, including your custom skill lists, vocabulary lists, and folders ("User-Generated Content" or "UGC").
  • Our License to Your Content: By creating or uploading UGC, you grant NihongoFlow a worldwide, royalty-free, non-exclusive license to host, store, use, reproduce, modify (e.g., for formatting), and display your UGC solely for the purpose of operating, providing, and improving the Service for you.
  • Content Sharing (Future Feature): If you choose to use features that allow sharing your UGC with other users, you grant those users a license to view and use your shared UGC within the platform. You are responsible for the content you choose to share.
  • Responsibility: You are solely responsible for your UGC and for ensuring you have all necessary rights to use and share it.

5. Prohibited Conduct

You agree not to:

  • Use the Service for any illegal purpose or in violation of any laws.
  • Reverse-engineer, decompile, or otherwise attempt to discover the source code of the Service.
  • Upload or transmit any viruses, malware, or other malicious code.
  • Attempt to gain unauthorized access to our systems or other users' accounts.
  • Scrape, data-mine, or harvest content from the Service without our express prior written consent.
  • Use the Service to harass, abuse, or harm another person.

6. Intellectual Property

Excluding your User-Generated Content, all parts of the Service—including the website design, text, graphics, logos, code, and the "NihongoFlow" name—are the exclusive property of NihongoFlow and are protected by copyright, trademark, and other intellectual property laws.

7. Termination

  • By You: You can terminate your account by requesting termination via email to support@nihongoflow.com.
  • By Us: We may suspend or terminate your account and access to the Service at our sole discretion, without notice, for any reason, including but not limited to a breach of these Terms.

8. Disclaimers and Limitation of Liability

  • THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. WE DO NOT GUARANTEE THAT THE SERVICE WILL BE UNINTERRUPTED, SECURE, OR ERROR-FREE.
  • WE DO NOT WARRANT THE ACCURACY, COMPLETENESS, OR RELIABILITY OF ANY CONTENT AVAILABLE THROUGH THE SERVICE, INCLUDING AI-GENERATED FEEDBACK OR USER-GENERATED CONTENT.
  • TO THE FULLEST EXTENT PERMITTED BY LAW, NIHONGOFLOW SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS OR REVENUES, WHETHER INCURRED DIRECTLY OR INDIRECTLY, OR ANY LOSS OF DATA, USE, GOODWILL, OR OTHER INTANGIBLE LOSSES, RESULTING FROM YOUR USE OF THE SERVICE. OUR TOTAL LIABILITY TO YOU FOR ANY CLAIMS ARISING FROM THESE TERMS OR THE SERVICE IS LIMITED TO THE GREATER OF $0 OR THE AMOUNT YOU PAID US IN THE THREE (3) MONTHS PRECEDING THE CLAIM.

9. General Provisions

  • Changes to Terms: We reserve the right to modify these Terms at any time. We will notify you of significant changes by posting a notice on our website or by sending you an email. Your continued use of the Service after such changes constitutes your acceptance of the new Terms.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: support@nihongoflow.com