Terms of Service

LearnChinese is a product operated by SimpleStayChina Limited, a Hong Kong limited company (“we”, “us”, “our”).

Questions about these Terms can be sent to: support@rolko.xyz.

You must be at least 13 years old to use the Service.

If the law in your country requires a higher age to use online services or consent to data processing, you may only use the Service if you meet that higher age requirement.

By using the Service, you confirm that you are legally able to agree to these Terms.

• You are responsible for keeping your login credentials confidential.
• You are responsible for all activity under your account.
• You must provide accurate account information and keep it up to date.
• One person may use each account. You may not share, sell, rent, or transfer your account to another person.
• You must notify us if you believe your account has been accessed without permission.

Subject to these Terms, we grant you a personal, limited, non-exclusive, non-transferable, revocable license to use the Service for your own language-learning purposes.

You may not copy, resell, sublicense, reverse-engineer, scrape, abuse, or commercially exploit the Service unless we give you written permission.

You may create, save, upload, or process content through the Service, including vocabulary items, words, texts, transcripts, subtitles, captions, translations, notes, review history, and related learning content (“User Content”).

You keep ownership of your User Content.

You grant us a worldwide, non-exclusive, royalty-free license to host, store, process, tokenize, translate, display, reproduce, modify, and transmit your User Content only as needed to operate, improve, secure, and provide the Service.

You are responsible for making sure you have the right to use any content you save, upload, process, or translate through the Service.

You must not use the Service to upload, save, process, or distribute content that infringes intellectual property rights, violates privacy rights, or breaks the law.

The Chrome extension may process page text, subtitles, captions, URLs, and related browsing-context data to provide learning features such as word lookup, tokenization, translation, saving, and review.

You are responsible for complying with the terms and policies of any websites, platforms, or content services you use the extension with.

We do not guarantee that the extension will work on every website, video platform, subtitle format, browser version, or page structure.

We may update, limit, or disable extension functionality at any time for technical, security, legal, or product reasons.

The Service may provide translations, tokenization, word lookup, pronunciation support, explanations, examples, progress tracking, and other language-learning outputs.

These outputs may be incomplete, inaccurate, or unsuitable for your specific context.

The Service is provided for language-learning and productivity purposes only. It is not professional translation, legal advice, immigration advice, academic advice, or any other professional service.

You are responsible for checking important translations or language outputs before relying on them.

You must not:

• Violate any law or regulation.
• Use the Service to harass, abuse, threaten, or harm others.
• Upload, save, process, or distribute unlawful, infringing, or harmful content.
• Scrape, crawl, reverse-engineer, decompile, or attempt to extract source code or underlying models.
• Abuse rate limits, create excessive automated requests, or interfere with service stability.
• Attempt to bypass authentication, payment, security, or usage restrictions.
• Share your account with others.
• Use the Service to build a competing product.
• Use the Service in a way that damages, disables, overloads, or impairs our infrastructure.

The Service may offer a free tier, paid plans, and free trials.

The features, limits, pricing, and trial length will be shown on the website, in the app, or at checkout.

We may change, add, remove, or limit features in any plan, including free plans, at any time.

Paid plans are billed in advance on a recurring basis, such as monthly or yearly, through Stripe or another payment processor shown at checkout.

By subscribing to a paid plan, you authorise us and our payment processor to charge your selected payment method for recurring fees, applicable taxes, and other charges shown at checkout.

You are responsible for keeping your payment details up to date.

If payment fails, we may suspend, downgrade, or cancel your access to paid features.

You may cancel your subscription at any time from your account page or billing portal.

Cancellation takes effect at the end of the current billing period unless stated otherwise at checkout or in the billing portal.

After cancellation, you will continue to have access to paid features until the end of the billing period you have already paid for.

Unless required by law, we do not provide prorated refunds for partial billing periods, unused time, or unused features.

If we offer a refund in a specific case, doing so does not mean we are required to offer the same refund in the future.

Nothing in these Terms limits any refund or consumer rights that cannot legally be excluded.

We may change subscription prices from time to time.

For existing paid subscriptions, we will give at least 30 days' notice before a price increase takes effect.

Price changes will not affect the current billing period.

If you do not agree to a price change, you may cancel your subscription before the new price takes effect.

You may delete your account from the dashboard.

Account deletion may permanently remove your saved learning content, vocabulary, texts, transcripts, progress, and related data.

Some limited information may be retained where required for legal, billing, tax, fraud-prevention, dispute-resolution, security, or compliance reasons.

For more details, see our Privacy Policy.

The Service, including software, design, code, interface, branding, workflows, databases, and proprietary features, is owned by us or our licensors.

These Terms do not transfer any ownership rights in the Service to you.

You may not use our name, logo, branding, or product identity without our written permission.

The Service may rely on third-party providers, including hosting providers, authentication providers, payment processors, translation providers, language-processing providers, browser-extension platforms, and other infrastructure services.

We are not responsible for third-party services, websites, platforms, or content that we do not control.

Your use of third-party services may be subject to their own terms and policies.

We aim to provide a reliable Service, but we do not guarantee uninterrupted, error-free, or permanent availability.

We may update, modify, suspend, limit, or discontinue any part of the Service at any time.

We may perform maintenance, introduce usage limits, change features, or remove features where needed for product, technical, legal, security, or business reasons.

We may suspend or terminate your account or access to the Service if:

• You violate these Terms.
• You fail to pay subscription fees.
• Your use creates security, legal, operational, or reputational risk.
• We suspect fraud, abuse, scraping, account sharing, or misuse.
• We are required to do so by law or by a platform, payment processor, or infrastructure provider.

You may stop using the Service at any time and may delete your account from the dashboard.

The Service is provided “as is” and “as available”.

To the maximum extent permitted by law, we disclaim all warranties, whether express, implied, statutory, or otherwise, including warranties of merchantability, fitness for a particular purpose, accuracy, availability, and non-infringement.

We do not guarantee that the Service will be accurate, uninterrupted, secure, error-free, or suitable for your specific needs.

To the maximum extent permitted by law, we are not liable for:

• Indirect, incidental, special, consequential, exemplary, or punitive damages.
• Loss of profits, revenue, data, goodwill, opportunity, or business.
• Errors in translations, language outputs, tokenization, explanations, or learning content.
• Service interruptions, data loss, unauthorised access, or third-party service failures.
• Your use of the Service with third-party websites, platforms, subtitles, videos, or content.

To the maximum extent permitted by law, our total liability for any claim relating to the Service is limited to the amount you paid us in the 12 months before the event giving rise to the claim.

Nothing in these Terms excludes or limits liability that cannot legally be excluded or limited.

You agree to indemnify and hold harmless SimpleStayChina Limited, its directors, officers, employees, contractors, and service providers from claims, damages, losses, liabilities, costs, and expenses arising from:

• Your use of the Service.
• Your User Content.
• Your violation of these Terms.
• Your violation of any law or third-party right.
• Your use of the Chrome extension with third-party websites or content platforms.

Our Privacy Policy explains how we collect, use, store, and protect personal data.

By using the Service, you acknowledge that we process personal data as described in the Privacy Policy.

We may update these Terms from time to time.

If we make material changes, we will provide notice by email, in-app notice, or another reasonable method at least 14 days before the changes take effect, unless changes are required sooner for legal, security, or operational reasons.

Your continued use of the Service after the effective date of updated Terms means you accept the updated Terms.

If you do not agree to the updated Terms, you must stop using the Service and may cancel your subscription.

These Terms are governed by the laws of Hong Kong, without regard to conflict-of-laws principles.

The courts of Hong Kong have exclusive jurisdiction over any dispute arising out of or relating to these Terms or the Service.

Questions about these Terms can be sent to: