Terms of Service

1. Service Description

Immerse is a browser extension designed to help users learn English through an immersive reading experience. We provide vocabulary replacement, intelligent translation, AI-assisted learning, and other features.

2. Service Tiers

2.1 Free

• Basic dictionary access
• Local learning statistics
• Limited AI feature calls

2.2 Pro

• Full dictionary access
• Cloud data synchronization
• Built-in AI service
• Advanced learning analytics

2.3 Ultra

• All Pro features
• Unlimited AI calls
• Priority customer support

3. User Responsibilities

When using our services, you agree to:

• Comply with all applicable laws and regulations
• Not use the service for any illegal or harmful purposes
• Not attempt to reverse engineer, crack, or abuse the service
• Be responsible for all activities under your account
• Not share or transfer your subscription to others

4. Paid Subscriptions

4.1 Billing

Paid subscriptions are billed monthly or annually. Prices are as displayed at the time of purchase.

4.2 Renewal

Subscriptions will automatically renew upon expiration unless you cancel before the expiration date.

4.3 Refunds

Due to the nature of digital services, we generally do not offer refunds. For special circumstances, please contact us.

5. Intellectual Property

• Immerse and its related trademarks and logos are owned by us
• Dictionary content is protected by copyright
• User-generated content (such as wordbooks) belongs to users but is licensed to us for service provision

6. Disclaimers

• Services are provided "as is" without any express or implied warranties
• We do not guarantee uninterrupted or error-free service
• AI-generated content may contain errors; please use your own judgment
• We are not responsible for any fees incurred from using third-party API keys

7. Limitation of Liability

To the maximum extent permitted by law, we shall not be liable for any indirect, incidental, special, or consequential damages, including but not limited to loss of profits, data loss, or business interruption.

8. Service Changes & Termination

• We reserve the right to modify, suspend, or terminate services at any time
• Users will be notified in advance of significant changes
• We may terminate your account if you violate these terms

9. Dispute Resolution

In case of any disputes, both parties should first attempt to resolve them through friendly negotiation. If negotiation fails, the dispute shall be submitted to a court of competent jurisdiction.

10. Terms Changes

We may update these terms from time to time. Continued use of the service indicates acceptance of the updated terms.