Terms of Service

1. Acceptance of Terms

Welcome to Lockcard! These Terms of Service ("Terms") govern your access to and use of our Chrome Extension and iOS App (collectively, the "Services"). By accessing or using our Services, you agree to be bound by these Terms and our Privacy Policy.

If you do not agree to these Terms, please do not use our Services.

These Terms constitute a legally binding agreement between you and Lockcard ("we," "us," or "our").

2. Eligibility

You must be at least 13 years of age to use our Services. By using our Services, you represent and warrant that:

• You are at least 13 years old
• You have the legal capacity to enter into these Terms
• You will comply with these Terms and all applicable laws and regulations

If you are between 13 and 18 years old, you represent that your parent or legal guardian has reviewed and agrees to these Terms.

3. Account Registration

3.1 Optional Registration

You can use basic features of our Services without creating an account. However, to access cloud sync and cross-platform features, you must register for an account.

3.2 Account Security

When you create an account, you agree to:

• Provide accurate and complete information
• Maintain the security of your account credentials
• Notify us immediately of any unauthorized access
• Accept responsibility for all activities under your account

3.3 Account Termination

You may delete your account at any time through the app settings. Upon deletion, your data will be retained for 90 days to allow account recovery, after which it will be permanently deleted.

4. License and Usage Rights

4.1 License Grant

Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to:

• Download, install, and use the Chrome Extension on your devices
• Download, install, and use the iOS App on your Apple devices
• Access and use the Services for personal, non-commercial purposes

4.2 Usage Restrictions

You agree NOT to:

• Copy, modify, or create derivative works of the Services
• Reverse engineer, decompile, or disassemble the Services
• Remove or alter any copyright, trademark, or proprietary notices
• Use the Services for any illegal or unauthorized purpose
• Attempt to gain unauthorized access to our systems or networks
• Interfere with or disrupt the Services or servers
• Use automated systems (bots, scrapers) to access the Services
• Resell, rent, lease, or sublicense the Services
• Use the Services to infringe on intellectual property rights

5. Subscription and Payment

5.1 Free and Premium Features

We offer both free and premium features. Premium features require a paid subscription.

5.2 Subscription Terms

• Subscriptions are available on a monthly or annual basis
• Payment is processed through Apple In-App Purchase
• Subscriptions automatically renew unless canceled before the renewal date
• You can cancel your subscription at any time through your Apple account settings

5.3 Free Trial

We may offer a free trial period for new subscribers. If you do not cancel before the trial ends, you will be charged for the subscription.

5.4 Refunds

Refunds are processed according to Apple's refund policies. To request a refund, please contact Apple Support or visit your purchase history in the App Store.

5.5 Price Changes

We reserve the right to change subscription prices at any time. Price changes will not affect your current subscription period but will apply to subsequent renewals. We will notify you of price changes in advance.

6. User Content and Data

6.1 Your Content

You retain all rights to the vocabulary data, notes, and custom content you create using our Services ("User Content"). By using our Services, you grant us a limited license to:

• Store and sync your User Content across your devices
• Process your User Content to provide Services features (e.g., AI podcast generation)
• Back up your User Content for data integrity

6.2 Content Responsibility

You are solely responsible for your User Content and agree that:

• You will not upload content that violates laws or third-party rights
• You will not include offensive, harmful, or inappropriate content
• You have all necessary rights to the content you upload

6.3 Data Backup

While we implement backup procedures, you are responsible for maintaining your own backup copies of your User Content. We are not liable for any loss of data.

7. Social and Community Features

7.1 Optional Community Participation

We offer optional social and community features that allow you to share vocabulary content and connect with other learners. These features are entirely optional and disabled by default. Participation requires explicit opt-in through your privacy settings.

7.2 Shared Content

When you choose to participate in community features, you may share:

• Example sentences and definitions you create
• Vocabulary cards you choose to make public
• General website domains (not full URLs) where words were encountered
• Your username or display name (if you enable a public profile)

7.3 Community Guidelines

When participating in community features, you agree to:

• Be Respectful: Treat other users with respect and courtesy
• No Offensive Content: Do not share content that is offensive, hateful, discriminatory, or inappropriate
• No Spam: Do not post repetitive, promotional, or irrelevant content
• Accurate Content: Do not intentionally share incorrect or misleading vocabulary information
• Respect Copyright: Only share content you have the right to share
• No Personal Information: Do not share others' personal information without consent
• Safe for Learning: Keep content appropriate for a diverse, global learning community

7.4 Content Moderation

We reserve the right to:

• Review, moderate, and remove any shared content
• Suspend or terminate community feature access for violations
• Take appropriate action against users who violate community guidelines

7.5 Shared Content License

When you share content through community features, you grant Lockcard and other users a non-exclusive, worldwide, royalty-free license to:

• Display your shared content to other users
• Allow other users to view and learn from your example sentences and definitions
• Include your shared content in aggregate statistics and features

You can withdraw shared content at any time by making it private or deleting it. This license terminates when you remove the content, except for content that has been incorporated into other users' learning (e.g., if they saved your example sentence).

7.6 Privacy Protection

Source URL Protection: Full URLs (including paths, parameters, and tokens) are never shared publicly. Only general domain names (e.g., "youtube.com") may be displayed, and only with your explicit permission. URLs from sensitive sources (intranets, authenticated pages, pages with tokens) are automatically excluded from sharing.

7.7 Reporting Violations

If you encounter content that violates our community guidelines, please report it to bravetsia@gmail.com. We will review all reports and take appropriate action.

8. Intellectual Property Rights

8.1 Lockcard Property

The Services, including all content, features, functionality, software, code, designs, graphics, and the Lockcard name and logo, are owned by us or our licensors and are protected by copyright, trademark, and other intellectual property laws.

8.2 Third-Party Content

Our Services may include dictionary definitions, translations, and other content from third-party sources. Such content is the property of its respective owners and is subject to their copyright and usage terms.

8.3 Trademarks

"Lockcard" and related logos are trademarks. You may not use these trademarks without our prior written permission.

9. AI-Generated Content

Our Services include AI-generated features such as podcast generation. You acknowledge that:

• AI-generated content is created using third-party AI services (DeepSeek, Microsoft TTS)
• AI-generated content may not always be accurate or suitable for your needs
• You should review AI-generated content before relying on it
• We do not guarantee the quality, accuracy, or appropriateness of AI-generated content
• You use AI-generated features at your own risk

10. Privacy and Data Usage

Your use of the Services is also governed by our Privacy Policy, which explains how we collect, use, and protect your information. Key points:

• Data is stored locally by default
• Cloud sync is manual and requires your explicit action
• We use analytics to improve our Services
• We do not sell your personal information
• You can delete your account and data at any time

11. Third-Party Services and Links

Our Services may integrate with or contain links to third-party services, including:

• MCP (Model Context Protocol) enabled applications
• Dictionary and translation services
• YouTube and other content platforms

We are not responsible for the content, privacy practices, or terms of these third-party services. Your use of third-party services is subject to their respective terms and policies.

12. Disclaimers and Warranties

12.1 "As Is" Basis

THE SERVICES ARE PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, OR NON-INFRINGEMENT.

12.2 No Guarantee

We do not warrant that:

• The Services will be uninterrupted, secure, or error-free
• Defects will be corrected
• The Services are free of viruses or harmful components
• Results from using the Services will be accurate or reliable
• Your learning outcomes or vocabulary retention will improve

12.3 Educational Tool

Our Services are intended as an educational tool to assist with vocabulary learning. We make no guarantees about learning outcomes, language proficiency improvements, or test results.

13. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, LOCKCARD SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUE, DATA, OR USE, ARISING OUT OF OR RELATED TO YOUR USE OF THE SERVICES, WHETHER IN CONTRACT, TORT, OR OTHERWISE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

IN NO EVENT SHALL OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS RELATED TO THE SERVICES EXCEED THE AMOUNT YOU PAID TO US IN THE 12 MONTHS PRECEDING THE CLAIM, OR $50 USD, WHICHEVER IS GREATER.

Some jurisdictions do not allow the exclusion or limitation of certain damages, so some of the above limitations may not apply to you.

14. Indemnification

You agree to indemnify, defend, and hold harmless Lockcard and its affiliates from any claims, liabilities, damages, losses, and expenses (including reasonable attorneys' fees) arising out of or related to:

• Your use or misuse of the Services
• Your violation of these Terms
• Your violation of any rights of another party
• Your User Content

15. Termination

15.1 Termination by You

You may stop using the Services at any time. To delete your account, use the account deletion feature in the app settings.

15.2 Termination by Us

We may suspend or terminate your access to the Services at any time, without notice, for:

• Violation of these Terms
• Fraudulent or illegal activity
• Abuse of the Services or harm to other users
• Non-payment of fees (for premium features)
• Any other reason we deem necessary

15.3 Effect of Termination

Upon termination, your right to use the Services will immediately cease. Provisions that by their nature should survive termination (including disclaimers, limitations of liability, and indemnification) will survive.

16. Changes to These Terms

We may modify these Terms at any time. When we make material changes, we will:

• Update the "Last Updated" date
• Post the revised Terms on this page
• Notify you via email or in-app notification

Your continued use of the Services after changes are posted constitutes your acceptance of the modified Terms.

17. Governing Law and Dispute Resolution

17.1 Governing Law

These Terms shall be governed by and construed in accordance with the laws of your jurisdiction, without regard to its conflict of law provisions.

17.2 Dispute Resolution

If you have any dispute with us, please contact us first at bravetsia@gmail.com to seek resolution informally.

18. General Provisions

18.1 Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Lockcard regarding the Services.

18.2 Severability

If any provision of these Terms is found to be unenforceable, the remaining provisions will remain in full force and effect.

18.3 No Waiver

Our failure to enforce any right or provision of these Terms will not be deemed a waiver of such right or provision.

18.4 Assignment

You may not assign or transfer these Terms without our written consent. We may assign these Terms without restriction.

18.5 Language

These Terms are written in English. Any translated versions are provided for convenience only. In case of conflict, the English version prevails.

19. Contact Information

If you have any questions about these Terms, please contact us: