Terms of Service
Last updated: January 8, 2025
These Terms of Service ("Terms") govern the use of "RINKO.ai" ("Service") provided by Rinko.ai ("Company"). By using the Service, you agree to these Terms.
Article 1 (Application and Amendments)
- These Terms apply to all relationships between the Company and users regarding the use of the Service.
- The Company may amend these Terms as necessary. Amended Terms become effective upon posting or notification through the Service.
- Continued use of the Service after amendments constitutes acceptance of the amended Terms.
The Company may amend these Terms as required by law or within reasonable scope. For changes that materially affect user rights and obligations, the Company will provide reasonable advance notice and may request renewed consent.
Article 2 (Account)
- Users must provide accurate registration information and keep it up to date.
- Users are responsible for managing their accounts. The Company is not liable for damages resulting from unauthorized use by third parties, except in cases of intentional misconduct or gross negligence by the Company.
- The Company may suspend accounts if unauthorized use is suspected.
Article 3 (Service Content / Local-First)
- The Service provides statistical analysis, figure generation, AI-assisted drafting, project management, and other features. The Company strives to provide reasonable service but does not guarantee complete or uninterrupted operation.
- The Service is designed to process data within the browser whenever possible. However, external transmission may occur for authentication, billing, AI features, etc. See Privacy Policy for details.
- The Company may modify, add, or discontinue Service features without prior notice.
- The Service may contain bugs, errors, or defects. The Company strives to fix these but does not guarantee immediate correction.
Article 4 (User Data Rights and Responsibilities)
- Rights to user data input, uploaded, or created through the Service belong to the user.
- The Company may process user data as necessary for service provision, improvement, and fraud prevention (per Privacy Policy).
- Users warrant that their data does not infringe third-party rights and complies with applicable laws, contracts, and consents.
- Users bear full responsibility for the accuracy, completeness, and legality of their data. The Company is not liable for any issues arising from incorrect, incomplete, or improperly formatted data.
- The Company is not liable for data loss, corruption, or leakage except in cases of intentional misconduct or gross negligence. Users are responsible for backing up important data.
Article 5 (AI Features)(Important)
5.1 No Warranty
AI features are provided without any warranty. AI features generate text and code probabilistically. The Company does not guarantee that outputs are accurate, factual, consistent with current medical knowledge, or suitable for user purposes.
5.2 Bugs, Errors, and Hallucinations
AI features may contain bugs, errors, or unexpected behavior. AI may produce "hallucinations" (plausible but false outputs), including non-existent data, incorrect statistics, or fabricated citations. The Company is not liable for these issues.
5.3 User Verification Obligation
Users must verify and correct all AI-generated outputs at their own responsibility. Users are obligated to verify statistical interpretations, Methods descriptions, draft text, numbers, and citations against original data and reliable primary sources. The Company is not liable for damages resulting from failure to verify.
5.4 Rights Infringement Verification
Users are responsible for verifying that AI outputs do not infringe third-party copyrights or existing publications. The Company is not liable for rights infringement arising from use of AI outputs.
5.5 External Transmission
When using AI features, input content may be transmitted in whole or in part to the Company or external AI providers. Transmission destinations may be outside Japan. See Privacy Policy for details.
5.6 Handling of Sensitive Information
Users must not transmit sensitive information (patient identifiers, etc.) to AI, or must minimize such transmission. Sensitive information includes but is not limited to: names, addresses, phone numbers, email addresses, patient IDs, facial photographs, and information that can identify individuals when combined with dates. Even anonymized data may carry re-identification risks; minimize data transmission. The Company is not liable for issues arising from transmission of sensitive information.
5.7 Consequences of Using AI Outputs
The Company is not liable for any damages resulting from use of AI outputs (including but not limited to: paper corrections/retractions, negative impact on research results, reputational damage, and other damages).
Article 6 (Prohibited Activities)
Users must not engage in the following:
- Activities that violate laws or public order/morals
- Infringement of Service, Company, or third-party rights (copyright, privacy, etc.)
- Uploading or using others' copyrighted works (papers, data, images, etc.) without permission
- Inputting others' research data without permission and using it as one's own work
- Unauthorized access, vulnerability scanning, reverse engineering, excessive load activities
- Fraudulent acquisition/use of credits, payment evasion
- False registration, impersonation
- Uploading patient-identifiable or sensitive information without authorization, or inputting data deemed inappropriate by the Company
- Involvement with antisocial forces
- Other activities deemed inappropriate by the Company
Article 7 (Fees, Plans, and Credits)
- The Service offers free and paid plans (monthly/annual). Plan details are displayed on the Service.
- Credits are required for certain features (export, AI execution, etc.). Consumption varies by feature and is displayed on screen or communicated by the Company.
- Credits are generally non-refundable and non-exchangeable (except as required by law).
- Credit Validity: Credits expire 12 months from the date of grant. Unused credits automatically expire and cannot be refunded or restored.
- Credits After Cancellation: After cancellation, plan features and credits remain available until the end of the billing period. After that, remaining credits can only be used for features available in the free plan, and expiration rules continue to apply. The Company may set reasonable usage limits for fraud prevention and load management.
- The Company may modify credit design (grant amounts, consumption, limits, etc.) within reasonable scope. Material changes (changes of 30% or more to grant/consumption amounts, or material changes to major feature conditions) will be announced at least 14 days in advance.
Article 8 (Payment, Renewal, Cancellation, Refunds)
8.1 Payment Method
Payment for paid plans is made through the designated payment processor (Stripe). Payment processing is handled by Stripe, and payment success/failure, statement display, and refund processing timing may depend on Stripe and card company processing.
8.2 Automatic Renewal
Subscriptions automatically renew unless cancelled by the user.
8.3 Subscription Cancellation
Users may cancel paid plans at any time through account settings. Even after cancellation, paid features remain available until the end of the billing period. The account automatically transitions to the free plan the day after the billing period ends.
8.4 Refunds and Credit Returns
Fees and credits already paid are generally non-refundable, including pro-rata. Credits are digital consumables and cannot be refunded or exchanged after purchase.
However, credit returns (as a rule) or refunds (only when deemed necessary by the Company) may be provided in the following cases:
- Double billing occurred
- Service was unavailable for 24+ consecutive hours or 48+ cumulative hours within one month due to Company system failures
- Suspected fraudulent charges
For cases above, please contact us via the in-app feedback feature with the following information:
- Registered email address
- Date and time of occurrence
- Affected feature (if applicable)
- Stripe receipt number (for billing inquiries)
Article 9 (Intellectual Property)
- Rights to software, UI, logos, text, materials, etc. (excluding user data) in the Service belong to the Company or rightful owners.
- Users obtain only a non-exclusive right to use the Service per these Terms; no rights are transferred.
- The Service uses open-source software (webR, R language, various R packages, JavaScript libraries, etc.). License information is available on the Open Source Licenses page.
Article 10 (Service Suspension, Restriction, Termination)
The Company may suspend all or part of the Service, restrict use, or suspend/delete accounts without prior notice in the following cases:
- Violation or suspected violation of prohibited activities
- Suspected payment delays or fraud
- System maintenance, failures, external service outages, force majeure
- Other cases deemed reasonably necessary by the Company
Article 11 (Disclaimers and Warranty Exclusion)(Important)
11.1 No Warranty
The Service is provided "AS IS" without any warranty, express or implied, including merchantability, fitness for a particular purpose, accuracy, completeness, reliability, or any other warranty. The Company does not guarantee that the Service will always be available, bug-free, produce accurate outputs, or meet user expectations.
These provisions apply to the maximum extent permitted by applicable law.
11.2 Analysis and Calculation Results Disclaimer
The Company does not guarantee the accuracy, validity, or completeness of statistical analysis results, calculations, graphs, tables, AI-generated text, or other outputs ("Outputs"). Outputs may contain errors, defects, or unintended results.
Users must verify Output content at their own responsibility before use and obtain expert advice as needed. The Company is not liable for any damages resulting from use of Outputs (including paper corrections/retractions, impact on research results, and all other damages).
11.3 Input Data Responsibility
Users bear full responsibility for the accuracy, legality, and quality of data input/uploaded to the Service ("Input Data"). The Company is not liable for Output issues arising from Input Data errors, omissions, or format issues.
11.4 Relationship to Medical Practice
The Service does not provide medical care or diagnosis and is not a substitute for clinical judgment. Final decisions rest with the user.
11.5 Backup
Users should back up data as needed to prevent data loss (local storage may be cleared in browser environments).
11.6 Local Data Storage
Important: This Service uses a local-first design that stores data on the user's device (browser IndexedDB, etc.). If users clear browser cache/history or change browsers/devices, stored data will be permanently lost. The Company has no obligation to provide backup for device-stored data and is not liable for data loss. Please regularly export important data as CSV or RKO files and save to external media.
11.7 WebR Browser Analysis Disclaimer
The Service may perform statistical analysis within the browser using WebAssembly, etc. Due to browser environment, device performance, memory limitations, numerical rounding errors, random seeds, library/package version differences, external service states, etc., analysis results may vary or be non-reproducible even with identical data. The Company does not guarantee accuracy, completeness, or reproducibility of analysis results. Users are responsible for verifying reproducibility and validity of important analyses.
11.8 Limitation of Damages
The Company is not liable for special, indirect, incidental, or consequential damages, lost profits, data loss, or reputational harm, regardless of foreseeability (except as limited by law).
11.9 Liability Cap
Even if the Company is found liable, except for intentional misconduct or gross negligence, the Company's liability is limited to the greater of: total amount paid by the user to the Company in the preceding 12 months, or ¥1,000.
Article 12 (Exclusion of Antisocial Forces)
Users represent that they are not antisocial forces and will not engage with such forces. The Company may terminate agreements upon violation.
Article 13 (Governing Law and Jurisdiction)
These Terms are governed by Japanese law. Disputes shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.
Contact
For questions or comments about these Terms, please use the "Send Feedback" feature in the app settings menu.
RINKO.ai
Operated by: Rinko.ai