Terms of Service
Version 2.6 — Last updated: May 14, 2026
This English version is a translation of the Japanese Terms of Service for reference purposes only. In the event of any discrepancy, the Japanese version shall prevail.
Article 1 (Scope)
These Terms of Service ("Terms") govern the use of the AI coaching service "Navily" ("Service") provided by Deltalyze, a sole proprietorship ("Company"). By using the Service, you agree to these Terms.
Article 2 (Definitions)
- "User" means any individual or entity that registers for and uses the Service.
- "Content" means materials, roadmaps, chat responses, and other outputs generated by AI through the Service.
- "Lite Plan" means a paid plan with limited additional features available through a monthly auto-renewing subscription at $9.99/mo.
- "Premium Plan (Monthly)" means a paid plan with full additional features available through a monthly auto-renewing subscription at $14.99/mo.
- "Premium Plan (Annual)" means a paid plan with full additional features available through an annual auto-renewing subscription at $119.99/yr.
- "Organization Use" means the use of the Service by a corporation or group managing multiple user accounts through the organization management features.
- "Self-Analysis Report (About You)" means a feature that displays analysis of the user's learning type, personality, skills, goals, and recommended tutor based on hearing responses and learning data.
Article 3 (Account Registration)
- Users shall provide accurate and current information when registering an account.
- Users are responsible for managing their accounts and may not lend or transfer them to third parties.
- Minors must obtain consent from a legal guardian before using the Service.
- The Company may suspend or delete accounts suspected of unauthorized use.
- For Organization Use, organization administrators are responsible for managing member accounts and ensuring members' compliance with these Terms.
Article 4 (Service Description)
- The Service provides AI-powered automatic learning roadmap generation, educational content delivery, and AI chat-based learning support. All content provided by the Service is generated by AI and does not constitute professional advice (legal, medical, financial, etc.).
- AI-generated content is for reference purposes only and is not guaranteed to be accurate or complete.
- The Company may modify, add to, or discontinue the Service without prior notice.
Article 4-2 (Handling of Personal Information)
- The handling of users' personal information is governed by our separately established Privacy Policy.
- Information entered by users into the Service (hearing responses, chat content, learning records, etc.) is used solely for the purpose of providing the Service to that user.
- User input data is not used for providing services to other users or for AI model training.
Article 5 (Fees and Payment)
- The Free Plan is available at no charge with limited features. Free Plan users have access to a limited Self-Analysis Report (learning type and stats only).
- The Premium Plan (Monthly) is a monthly auto-renewing subscription at $14.99/mo. Premium Plan includes full access to the Self-Analysis Report (all sections and PDF export).
- The Lite Plan is a monthly auto-renewing subscription at $9.99/mo. Lite Plan users have access to a limited Self-Analysis Report (learning type and stats only).
- The Premium Plan (Annual) is an annual auto-renewing subscription at $119.99/yr.
- A 7-day free trial (full-feature access) is applied upon initial registration. During the trial period, all Premium Plan features are available. The final confirmation screen at trial sign-up clearly displays the plan name, price, billing start date, and cancellation method that will apply after the trial. An email notification is sent 24 hours before the trial ends. If not cancelled during the trial period, the first charge begins the day after the trial ends. Cancelling during the trial period results in an automatic downgrade to the Free Plan with no charge.
- Payment for the web version is processed through Stripe's payment platform. Payment for the iOS app is processed through Apple Inc.'s In-App Purchase, and Apple Media Services Terms and Conditions apply.
- Cancellation and refunds for subscriptions purchased through the iOS app are subject to Apple's procedures, and the Company cannot process refunds directly.
- A confirmation screen is displayed before payment to verify the user's intent.
- Subscriptions may be cancelled at any time. For the web version, cancel from "Plan Management" in My Page. For the iOS app, cancel from iOS Settings → Subscriptions. After cancellation, the Service remains available until the end of the current billing period. No prorated refunds are provided for either monthly or annual plans.
Article 6 (Campaigns and Coupons)
- The Company may offer discounts through campaign codes.
- Terms for each campaign (eligible plans, discount rate/amount, expiration, maximum usage, applicable period) are specified separately and communicated to users.
- Transfer or resale of campaign codes is prohibited.
- Multiple campaign codes cannot be combined.
Article 7 (Prohibited Activities)
Users shall not engage in the following activities:
- Activities that violate laws or public order and morals
- Activities that interfere with the operation of the Service
- Activities that hinder other users' use of the Service
- Mass access using automated tools
- Reverse engineering of the Service
- Commercial use of AI-generated content as one's own work
Article 8 (Intellectual Property)
- Intellectual property rights related to the Service belong to the Company.
- AI-generated content may not constitute copyrightable works under current copyright law. The Company does not claim copyright over AI-generated content, but users shall use such content in accordance with the terms of use set forth herein.
- Users may use generated content under the following conditions:
- Personal learning and self-improvement: Permitted
- Internal training and educational purposes: Permitted only with prior approval from the Company
- Commercial sale or redistribution: Prohibited
- Publication as one's own work: Prohibited
Article 9 (Disclaimer)
- The Company is liable for damages arising from interruption, suspension, or termination of the Service. However, where caused by the Company's ordinary (slight) negligence, liability is limited to ordinary direct damages and excludes special damages, lost profits, indirect damages, and consequential damages. This limitation does not apply to damages caused by the Company's willful misconduct or gross negligence.
- AI-generated content is for reference purposes only and does not constitute professional advice (legal, medical, financial, tax, etc.). The Company is liable for the consequences of decisions or actions based on AI-generated content; however, where caused by the Company's ordinary (slight) negligence, liability is limited to ordinary direct damages, excluding special damages, lost profits, and indirect damages. This limitation does not apply in cases of willful misconduct or gross negligence.
- For paid plan users, the Company's liability for damages shall be limited to the total amount of fees paid by the user during the preceding 12 months. For free plan users, where caused by the Company's ordinary (slight) negligence, liability is limited to direct and actual ordinary damages and excludes special damages, lost profits, and indirect damages. None of the above limitations apply to damages caused by the Company's willful misconduct or gross negligence.
- Career guidance, learning plans, and generated content provided by the AI Coach are for informational purposes only and do not substitute for individualized professional advice from licensed physicians, attorneys, tax accountants, labor and social security attorneys, certified career counselors, or other qualified professionals. Consult an appropriately licensed professional for matters requiring expert judgment.
- Decisions regarding employment changes, resignation, leave, entrepreneurship, education, relocation, or other matters materially affecting a user's career or life are made at the user's sole responsibility. The Company is not liable for outcomes (including lost profits or lost opportunities) of such decisions made with reference to AI Coach output, except where caused by the Company's willful misconduct or gross negligence.
- Materials, chapters, and citations recommended or generated by the AI reflect general information available at the time of output and are not warranted to be accurate, current, complete, or fit for a particular purpose. Users should verify primary sources before relying on such content for legal, regulatory, market, or recruitment-related decisions.
- The Company does not guarantee any specific learning outcome, skill acquisition, certification, job offer, promotion, income increase, or other career result from use of the Service. Outcomes depend on user effort, market conditions, and other factors beyond the Company's control.
- In situations involving mental health crisis, risk to life, or suicidal ideation, please contact qualified professional support services or medical institutions instead of this Service (e.g., in Japan: Yorisoi Hotline 0120-279-338, Lifeline 0570-783-556; in your country, dial the appropriate emergency number). This Service does not provide medical care or psychiatric advice.
- The foregoing disclaimers do not apply to the extent they would be void under the Consumer Contract Act of Japan or other mandatory law. In particular, none of the disclaimers in this Article limit the Company's liability for damages caused by its willful misconduct or gross negligence.
Article 10 (Service Modification and Termination)
- The Company may terminate all or part of the Service by providing 30 days' notice to users. In unavoidable circumstances, changes or termination may occur with as much prior notice as reasonably possible.
- If the Company terminates the entire Service for its own convenience, annual plan subscribers will receive a prorated refund of the fees corresponding to the unused portion of the contract period as of the termination date. Monthly plan subscribers will also receive a prorated refund of the unused portion if the termination date falls within the current billing period. No refund arises during the trial period as no charge has been made.
- Upon service termination, the Company will provide a period of at least 30 days for users to download their data (learning records, self-analysis reports, etc.) before the termination date.
- After service termination, the Company will delete users' personal data within 30 days, except where retention is required by law.
Article 11 (Amendment of Terms)
- When amending these Terms, the Company shall notify users at least 14 days before the effective date through in-service notifications or email.
- For significant changes such as pricing changes or restrictions on user rights, renewed consent will be obtained.
- Minor changes within a reasonable scope (typo corrections, regulatory compliance, etc.) will take effect with 14 days' prior notice.
Article 12 (Governing Law and Jurisdiction)
- These Terms shall be governed by the laws of Japan. Any disputes arising from these Terms shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.
- In the event of any discrepancy between the Japanese and English versions of these Terms, the Japanese version shall prevail.