Terms of Service

Welcome to Yoteiko. These Terms of Service ("Terms") govern your access to and use of the Yoteiko mobile application, website, and related services (collectively, the "Service"). The Service is operated by Yoteiko ("we," "us," or "our").

By creating an account, accessing, or using the Service, you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Policy. If you do not agree to these Terms, you must not use the Service.

You must be at least 16 years of age (or the applicable age of consent in your jurisdiction) to use the Service. By using the Service, you represent and warrant that you meet this age requirement.

Yoteiko is a travel planning platform that provides tools for organizing trips, managing budgets, building itineraries, and collaborating with travel companions. Core features include:

• Itinerary creation, editing, and day-by-day trip planning
• Budget tracking and expense management
• Packing checklists with AI-powered suggestions
• In-app messaging, photo sharing, and voice messages between trip members
• Collaborative trip planning with invited companions
• Offline access to trip data
• Cultural insights and destination information

We reserve the right to modify, suspend, or discontinue any feature of the Service at any time with reasonable notice.

3.1 Account Creation

To use certain features, you must create an account by providing accurate, current, and complete information, including your name, email address, and phone number. You may also sign in using third-party authentication providers (e.g., Google, Apple).

3.2 Account Security

You are responsible for maintaining the confidentiality of your account credentials and for all activities that occur under your account. You agree to:

• Create a strong, unique password and store it securely
• Enable two-factor authentication where available
• Notify us immediately at security@yoteiko.com if you suspect unauthorized access
• Not share your account credentials with any third party
• Not use another user's account without their explicit permission

3.3 Account Termination

You may delete your account at any time through the app settings or by contacting us. Upon deletion, your data will be handled in accordance with our Privacy Policy. We reserve the right to suspend or terminate your account if you violate these Terms.

You agree to use the Service only for lawful purposes and in accordance with these Terms. You shall not:

• Use the Service for any illegal, harmful, or fraudulent purpose
• Harass, threaten, abuse, or intimidate other users through in-app messaging or any other feature
• Upload, share, or transmit content that is defamatory, obscene, hateful, or infringes on intellectual property rights
• Send spam, unsolicited messages, or promotional content to other users
• Impersonate any person or entity, or misrepresent your affiliation with any person or entity
• Attempt to gain unauthorized access to other user accounts, servers, or networks
• Use automated tools (bots, scrapers, crawlers) to access or interact with the Service without our prior written consent
• Reverse engineer, decompile, or disassemble any part of the Service
• Interfere with or disrupt the integrity or performance of the Service
• Collect or harvest personal information of other users without their consent
• Use the Service to distribute malware, viruses, or any other harmful code
• Create multiple accounts for abusive purposes or to circumvent enforcement actions

We reserve the right to investigate and take appropriate action, including suspending or terminating accounts, removing content, and reporting violations to law enforcement.

5.1 Your Content

You retain ownership of all content you create, upload, or share through the Service ("User Content"), including itineraries, messages, photos, voice recordings, notes, and other materials. By using the Service, you grant us a limited, non-exclusive, royalty-free license to host, store, process, and display your User Content solely for the purpose of providing and improving the Service.

5.2 Content Responsibility

You are solely responsible for your User Content. You represent and warrant that:

• You own or have the necessary rights to share all User Content you upload
• Your User Content does not infringe, violate, or misappropriate any third-party rights
• Your User Content complies with all applicable laws and these Terms

5.3 Our Intellectual Property

The Service, including its design, code, features, graphics, logos, and documentation, is owned by Yoteiko and protected by intellectual property laws. You may not copy, modify, distribute, or create derivative works based on our intellectual property without our express written consent.

5.4 Content Removal

We reserve the right, but are not obligated, to review, monitor, and remove any User Content that violates these Terms or is otherwise objectionable, at our sole discretion and without prior notice.

The Service provides in-app messaging features, including text messages, photo sharing, and voice messages, to facilitate communication between trip members.

6.1 Messaging Conduct

You agree to use messaging features respectfully and lawfully. Messages are shared among trip members you have invited. You shall not use messaging to send spam, threats, harassment, or any content that violates the Acceptable Use Policy (Section 4).

6.2 Message Storage & Privacy

Messages, photos, and voice recordings are stored on our secure servers to enable the Service. These are accessible only to you and the trip members you have invited. For details on how we handle your data, please refer to our Privacy Policy.

6.3 No Guarantee of Delivery

While we strive for reliable message delivery, we do not guarantee that messages will be delivered, received, or stored without error. Network conditions, device limitations, and other factors may affect messaging functionality.

7.1 Zero Tolerance for Objectionable Content

Yoteiko maintains a zero-tolerance policy for objectionable content and abusive users. This includes but is not limited to:

• Harassment, bullying, or intimidation of any kind
• Hate speech, discrimination, or content targeting individuals based on race, ethnicity, religion, gender, sexual orientation, disability, or any other protected characteristic
• Threats of violence or physical harm
• Spam, scams, or fraudulent content
• Explicit, pornographic, or sexually suggestive content
• Graphic violence or gore
• Content that promotes self-harm or suicide
• Illegal activity or content that violates applicable laws

Users who post, share, or transmit objectionable content will have their content removed and may be permanently banned from Yoteiko.

7.2 Automated Content Filtering

Yoteiko employs automated content filtering to detect and flag objectionable content in messages, trip names, and descriptions. This includes keyword-based filtering with support for common obfuscation techniques. Content identified by our automated systems is flagged for human review.

7.3 Reporting Objectionable Content

If you encounter content that you believe violates these Terms, you may report it by:

• Long-pressing any message in a trip chat and selecting "Report"
• Selecting a reason for the report (spam, harassment, hate speech, inappropriate content, or other)
• Optionally providing additional details about the violation

All reports are reviewed by our moderation team within 24 hours of submission. You will receive confirmation that your report has been received.

7.4 Blocking Users

You may block any other user at any time. When you block a user:

• All content from the blocked user is immediately removed from your view
• The blocked user will no longer be able to interact with you through the Service
• Our moderation team is automatically notified for review
• You may unblock the user at any time through your profile settings

7.5 Developer Response Commitment

The Yoteiko development team is committed to acting on all content reports and user blocks within 24 hours. This includes:

• Reviewing all flagged content and user reports
• Removing content that violates these Terms
• Suspending or permanently banning users who provide offending content
• Notifying affected parties where appropriate

For urgent moderation concerns, contact us directly at moderation@yoteiko.com.

Yoteiko allows you to invite travel companions to co-edit itineraries, share budgets, and communicate within a shared trip space.

• When you invite someone to a trip, they gain access to the trip's itinerary, budget, messages, and shared media
• Trip creators can manage member permissions and remove participants
• All trip members with access can contribute content; the trip creator is responsible for managing the shared space
• Leaving a trip does not automatically delete content you contributed; contact us if you need content removed

The Service may integrate with or contain links to third-party services, including:

• Authentication providers (Google, Apple)
• Cloud hosting and infrastructure providers (AWS, GCP)
• Payment processors
• Analytics and crash reporting services
• External travel resources and booking platforms

These third-party services are governed by their own terms and privacy policies. We are not responsible for the practices, content, or availability of third-party services. Your interactions with third-party services are solely between you and the respective provider.

10.1 Free Tier

Yoteiko offers a free tier with access to core features, including single-trip planning, basic budget tracking, and messaging. No payment information is required for the free tier.

10.2 Premium Subscriptions

Premium features (unlimited trips, advanced budgeting, priority support) require a paid subscription. Subscription terms, pricing, and billing cycles are disclosed at the time of purchase.

10.3 Billing & Renewals

• Subscriptions are billed in advance on a recurring basis (monthly or annually) through the applicable app store (Google Play or Apple App Store)
• Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current billing period
• You may manage or cancel your subscription through your app store account settings
• Prices may vary by region and are subject to change with 30 days' notice

10.4 Refunds

Refund requests are handled in accordance with the policies of the applicable app store (Google Play or Apple App Store). For direct billing disputes, contact us at billing@yoteiko.com within 14 days of the charge.

Your use of the Service is also governed by our Privacy Policy, which describes how we collect, use, store, and protect your personal information. By using the Service, you consent to the data practices described in the Privacy Policy.

• We collect personal info (name, email, phone, user IDs), in-app messages, photos, voice recordings, crash logs, and device identifiers
• Data is encrypted in transit (TLS 1.3) and at rest (AES-256)
• You may request data access, correction, or deletion at any time
• We comply with GDPR, CCPA, APPI, LGPD, PIPEDA, and Google Play Data Safety requirements

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY. TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO:

• Implied warranties of merchantability, fitness for a particular purpose, and non-infringement
• Warranties that the Service will be uninterrupted, error-free, secure, or available at any particular time or location
• Warranties regarding the accuracy, reliability, or completeness of any content, information, or features provided through the Service
• Warranties that any defects or errors will be corrected

Travel information, cultural insights, and suggestions provided through the Service are for informational purposes only. We do not guarantee the accuracy of destination information, pricing, or availability of third-party services referenced in the app.

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL Yoteiko, ITS AFFILIATES, DIRECTORS, EMPLOYEES, OR AGENTS BE LIABLE FOR:

• Any indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of the Service
• Any loss of profits, revenue, data, or business opportunities
• Any damages resulting from unauthorized access to or alteration of your data
• Any damages resulting from third-party conduct or content on the Service
• Any damages resulting from service interruptions, technical failures, or data loss

OUR TOTAL AGGREGATE LIABILITY ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE SHALL NOT EXCEED THE AMOUNT YOU HAVE PAID TO US IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR ONE HUNDRED US DOLLARS ($100.00), WHICHEVER IS GREATER.

Some jurisdictions do not allow the exclusion or limitation of certain damages. In such jurisdictions, our liability is limited to the maximum extent permitted by law.

You agree to indemnify, defend, and hold harmless Yoteiko, its affiliates, and their respective officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising out of or related to:

• Your use of the Service or any activity occurring under your account
• Your violation of these Terms
• Your violation of any third-party rights, including intellectual property or privacy rights
• Any User Content you upload, share, or transmit through the Service
• Your violation of any applicable law or regulation

15.1 Termination by You

You may stop using the Service at any time. You may delete your account through the app settings or by contacting us at privacy@yoteiko.com. Upon account deletion, your data will be handled in accordance with our Privacy Policy.

15.2 Termination by Us

We may suspend or terminate your access to the Service, in whole or in part, at any time and for any reason, including but not limited to:

• Violation of these Terms or our Acceptable Use Policy
• Engaging in fraudulent, abusive, or illegal activity
• Requests by law enforcement or government agencies
• Extended periods of account inactivity
• Discontinuation of the Service (in whole or in part)

We will make reasonable efforts to provide notice before termination where practicable. Upon termination, your right to use the Service ceases immediately.

15.3 Effect of Termination

Sections of these Terms that by their nature should survive termination (including intellectual property, disclaimers, limitation of liability, indemnification, and dispute resolution) shall survive any termination of your account or these Terms.

16.1 Governing Law

These Terms shall be governed by and construed in accordance with the laws of Japan, without regard to its conflict-of-law principles. For users outside Japan, your local consumer protection laws may also apply where required.

16.2 Informal Resolution

Before initiating any formal dispute proceedings, you agree to first contact us at legal@yoteiko.com and attempt to resolve the dispute informally within 30 days.

16.3 Binding Arbitration

If informal resolution fails, any dispute arising out of or relating to these Terms or the Service shall be resolved through binding arbitration administered by the Japan Commercial Arbitration Association (JCAA) in accordance with its rules. The arbitration shall take place in Tokyo, Japan, and the language of arbitration shall be English.

16.4 Class Action Waiver

You agree that any dispute resolution proceedings will be conducted only on an individual basis and not in a class, consolidated, or representative action. If this waiver is found to be unenforceable, the entirety of this arbitration provision shall be null and void.

16.5 Exceptions

Notwithstanding the above, either party may seek injunctive or other equitable relief in any court of competent jurisdiction to prevent the actual or threatened infringement or misappropriation of intellectual property rights.

We reserve the right to modify these Terms at any time. When we make material changes, we will:

• Post the updated Terms on this page with a revised "Last updated" date
• Send an in-app notification for significant changes
• Send an email to your registered address for changes that affect your rights or obligations

Your continued use of the Service after changes become effective constitutes acceptance of the revised Terms. If you do not agree with the revised Terms, you must stop using the Service and may delete your account.

• Entire Agreement: These Terms, together with our Privacy Policy, constitute the entire agreement between you and Yoteiko regarding the Service
• Severability: If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall remain in full force and effect
• Waiver: Our failure to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision
• Assignment: You may not assign or transfer your rights under these Terms without our prior written consent. We may assign our rights without restriction
• Force Majeure: We shall not be liable for any failure or delay in performance due to circumstances beyond our reasonable control, including natural disasters, pandemics, war, government actions, or internet disruptions
• Language: These Terms are drafted in English. Any translation is provided for convenience only, and the English version shall prevail in case of conflict

If you have questions, concerns, or feedback regarding these Terms of Service, please contact us:

We aim to respond to all inquiries within 5 business days.