Terms of Service

Last updated: September 23, 2026

Welcome to Hanzio. These Terms of Service ("Terms") govern your access to and use of Hanzio's website and mobile application (collectively, the "Services"). By creating an account or using our Services, you agree to be bound by these Terms.

Please read these Terms carefully before using our Services. If you do not agree to these Terms, you may not access or use the Services.

1. Acceptance of Terms

By creating an account, accessing, or using Hanzio, you acknowledge that you have read, understood, and agree to be bound by these Terms and our Privacy Policy. These Terms constitute a legally binding agreement between you and Hanzio.

If you are using the Services on behalf of an organization, you represent and warrant that you have the authority to bind that organization to these Terms.

2. Changes to Terms

We reserve the right to modify these Terms at any time. When we make changes, we will update the "Last updated" date at the top of this page and, where appropriate, notify you via email or through the Services.

Your continued use of the Services after any changes indicates your acceptance of the modified Terms. If you do not agree to the modified Terms, you should discontinue your use of the Services.

3. Description of Services

Hanzio is a Chinese language learning application that provides:

• Dictionary: A comprehensive Chinese-English dictionary with character information, stroke order, and usage examples.
• Spaced Repetition System: An intelligent flashcard system that optimizes your learning by scheduling reviews at optimal intervals.
• Writing Practice: Tools to practice writing Chinese characters with stroke order guidance.
• Progress Tracking: Features to track your learning progress, streaks, and achievements.

We may add, modify, or discontinue features of the Services at any time without prior notice.

4. Your Account

Account Creation

To use certain features of the Services, you must create an account. You agree to:

• Provide accurate, current, and complete information during registration.
• Maintain and promptly update your account information.
• Keep your password secure and confidential.
• Notify us immediately of any unauthorized access to your account.

You are responsible for all activities that occur under your account. Hanzio is not liable for any loss or damage arising from your failure to protect your account credentials.

Age Requirements

You must be at least 13 years old to create an account and use the Services. If you are under 13, you may only use the Services with the involvement and consent of a parent or legal guardian. For users in the European Union, the minimum age is 16 unless parental consent is obtained.

By creating an account, you represent that you meet these age requirements or have obtained the necessary parental or guardian consent.

5. Subscriptions and Payments

Free and Premium Plans

Hanzio offers a free plan and a premium plan. Premium is available as a subscription or as a one-time lifetime purchase. Free users have access to core features with certain limitations. Premium subscribers unlock additional features and remove limitations.

Advertising

Free users may see advertisements served by third-party advertising partners (currently Google AdMob). Ads are limited to general-audience content. Premium subscribers enjoy an ad-free experience. For details on how advertising data is collected and used, please see our Privacy Policy.

Subscription Terms

Premium subscriptions are billed on a recurring basis (monthly or annually) according to the plan you select. By subscribing, you authorize us to charge your chosen payment method for the recurring subscription fees.

Lifetime Purchase

Premium is also available through the Apple App Store, the Google Play Store and this website as a one-time lifetime purchase. A lifetime purchase is charged once and does not renew, so the automatic renewal, free trial and price change terms in this section do not apply to it. It gives access to the premium features for as long as Hanzio offers the premium service, and does not include features or add-ons that we may sell separately in the future. Buying a lifetime purchase on this website cancels any subscription you bought on this website at the end of its current billing period; subscriptions bought through the Apple App Store or the Google Play Store must be cancelled there. Refunds for lifetime purchases follow the Refund Policy below.

Automatic Renewal

Subscriptions automatically renew at the end of each billing period, and your payment method will be charged on the renewal date. In all cases cancellation takes effect at the end of the current billing period, not immediately, and you keep access until then. How you cancel, and by when, depends on where you subscribed:

• Apple App Store or Google Play Store: cancel through that store, at least 24 hours before the renewal date, to avoid being charged for the next period.
• This website: you may cancel at any time, with effect from the end of your current billing period. Use the subscription management link in your receipt email, or contact us at support@hanzio.app.

Free Trial

Premium plans purchased through the Apple App Store or the Google Play Store may include a free trial period (currently one week) for first-time subscribers. At the end of the free trial, your subscription will automatically convert to a paid subscription at the applicable rate unless you cancel before the trial period ends, and you can cancel at any time through the store you subscribed with. Subscriptions purchased on this website do not include a free trial and are billed when you subscribe; you can cancel them from the subscription management link in your receipt email or by contacting support@hanzio.app.

Price Changes

We may change subscription prices from time to time. Any price changes will apply to subsequent billing periods after notice is provided to you.

Retention Offers

From time to time, if you initiate a cancellation or refund request, we may present you with a promotional discount on your subscription (for example, a discounted renewal rate for a limited period). These offers are optional; declining them has no effect on your ability to cancel or request a refund through the applicable app store.

6. Refund Policy

Purchases made through the Apple App Store or Google Play Store are subject to the refund policies of those platforms. Please refer to Apple's or Google's refund policies for more information.

By using our app and making in-app purchases, you consent to our sharing of data regarding your usage and consumption of purchased content with Apple, as part of our efforts to resolve refund requests. This information may include details about how you have accessed and interacted with the purchased content. The purpose of sharing this data is to help Apple make an informed decision regarding refund requests.

Purchases made directly on this website, including subscriptions and lifetime purchases, are sold by the applicable Paddle contracting entity — Paddle.com Inc. for buyers in the United States, Paddle.com (Canada) Ltd. for buyers in Canada, and Paddle.com Market Limited for buyers elsewhere — which acts as the Merchant of Record and reseller for those purchases. Refunds for website purchases are handled by Paddle in accordance with its buyer terms, and any statutory right of withdrawal that applies to you is unaffected. In addition, you may request a refund within 7 days of purchase, provided you have not substantially used the premium features. To request a refund, contact us at support@hanzio.app.

7. Your Use of Services

Permitted Use

You may use the Services only for personal, non-commercial purposes in accordance with these Terms.

Prohibited Conduct

You agree not to:

• Copy, modify, distribute, sell, or lease any part of the Services or included content.
• Reverse engineer, decompile, or attempt to extract the source code of the Services.
• Use automated systems (bots, scrapers, etc.) to access or interact with the Services.
• Interfere with or disrupt the Services or servers connected to the Services.
• Attempt to gain unauthorized access to any portion of the Services or other systems.
• Use the Services to transmit malware, spam, or harmful content.
• Violate any applicable laws or regulations while using the Services.
• Create multiple accounts to circumvent restrictions or bans.
• Share your account credentials with others or allow others to access your account.
• Access or interact with the Services through artificial intelligence agents, bots, or automated systems; feed screenshots, screen recordings, designs, content, or any other representation of the Services to artificial intelligence, machine learning, or large language model systems; or otherwise use AI or automated technologies to analyze, replicate, or reproduce any aspect of the Services, including their content, data, design, features, metadata, or user experience. Any unauthorized use of the Services by or in connection with AI systems constitutes acceptance of these Terms and agreement to pay applicable licensing fees.

Social Features

The Services may let you connect and interact with other users. You agree not to harass, impersonate, deceive, or otherwise abuse other users through these features. We may remove content, restrict access to social features, or suspend accounts that violate these Terms. You can block or report other users at any time in the app.

8. Community Contributions

Hanzio allows users to contribute content to the community learning pool, including but not limited to mnemonics, proposed meanings, example sentences, votes, and other learning data. When you save a mnemonic, you may choose to share it anonymously with other learners. Sharing is enabled by default but can be turned off for individual mnemonics. Other contributions are shared automatically. By using these features, you agree that:

• Once contributed, community content cannot be individually deleted or withdrawn, as it becomes part of the shared learning resource.
• If you delete your account, your contributed content remains available to other users but is no longer linked to your account or to information that identifies you.
• You will not submit content that is offensive, inappropriate, or violates the rights of others.
• Hanzio reserves the right to remove any community contribution that violates these Terms.
• Your study performance data (such as response times) may be used in aggregated, non-identifiable form to improve the accuracy of the service for all users, such as calibrating session time estimates.
• Aggregate usage patterns and preferences are combined anonymously into community-wide statistics and cannot be attributed to or withdrawn by individual users.

9. Intellectual Property

Our Content

The Services and their entire contents, features, and functionality (including but not limited to all information, software, text, displays, images, audio, and the design, selection, and arrangement thereof) are owned by Hanzio, its licensors, or other providers of such material and are protected by copyright, trademark, and other intellectual property laws.

Your Content

You retain ownership of any content you create within the Services, such as custom decks and community contributions (such as mnemonics, proposed meanings, and example sentences). By creating content, you grant Hanzio a non-exclusive, worldwide, royalty-free license to use, store, and display your content for the purpose of providing the Services to you and, for community contributions, to other users.

Feedback and issue reports

If you provide feedback, suggestions, ideas, or issue reports (including attached screenshots) about the Services, you grant Hanzio the right to use such feedback and attachments for the purpose of improving the Services, without restriction or compensation to you.

10. Disclaimer of Warranty

THE SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. TO THE FULLEST EXTENT PERMITTED BY LAW, HANZIO DISCLAIMS ALL WARRANTIES, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that the Services will be uninterrupted, secure, or error-free, that defects will be corrected, or that the Services are free of viruses or other harmful components.

Hanzio is an educational tool and does not guarantee any specific learning outcomes or results.

Certain features of the Services use artificial intelligence to generate content, such as mnemonics and translations. AI-generated content is provided as suggestions only — not guarantees — and may contain errors or inaccuracies. You should independently verify it and should not rely on it as the sole reference for language learning. Hanzio is not liable for learning outcomes or decisions made based on AI-generated content.

11. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, HANZIO AND ITS OFFICERS, DIRECTORS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, DATA, USE, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE SERVICES.

IN NO EVENT SHALL HANZIO'S TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THE SERVICES EXCEED THE AMOUNT YOU HAVE PAID TO HANZIO IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR ONE HUNDRED EUROS (EUR 100), WHICHEVER IS GREATER.

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

12. Termination

Termination by You

You may terminate your account at any time by contacting us at support@hanzio.app or through the account settings in the app.

Termination by Us

We may suspend or terminate your access to the Services at any time, with or without cause, and with or without notice, including for violation of these Terms. Upon termination, your right to use the Services will immediately cease.

Effect of Termination

Upon termination, all licenses and rights granted to you will terminate. We may delete your account data in accordance with our Privacy Policy. Account deletions you initiate remain reversible for 30 days before data is permanently removed. Provisions of these Terms that by their nature should survive termination will survive.

13. Indemnification

To the extent permitted by applicable law, you agree to indemnify, defend, and hold harmless Hanzio and its officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising out of or in connection with your violation of these Terms, your misuse of the Services, or your community contributions. This clause does not affect your statutory rights as a consumer.

14. Governing Law and Dispute Resolution

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

Any disputes arising out of or relating to these Terms or the Services shall be resolved through good-faith negotiations. If negotiations fail, disputes shall be submitted to the exclusive jurisdiction of the courts located in Madrid, Spain.

For EU residents, you may also use the European Commission's Online Dispute Resolution platform at https://ec.europa.eu/consumers/odr.

Nothing in these Terms affects your statutory rights as a consumer under applicable law.

15. General Provisions

Entire Agreement

These Terms, together with the Privacy Policy, constitute the entire agreement between you and Hanzio regarding the Services and supersede all prior agreements and understandings.

Severability

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

Waiver

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

Assignment

You may not assign or transfer these Terms or your rights under these Terms without our prior written consent. We may assign our rights and obligations under these Terms without restriction.

16. Third-Party Content & Recognitions

Hanzio incorporates content from various third-party sources to provide comprehensive Chinese language learning resources.

Hanzio uses the CC-CEDICT dictionary (CC BY-SA 4.0), data from Wiktionary (CC BY-SA 4.0), MakeMeAHanzi (LGPL v3), stroke-order data from HanziWriter (Arphic Public License), FineWeb-2 (ODC-BY 1.0), SUBTLEX-CH (CC BY-SA 4.0), and example sentences from Tatoeba (CC BY 2.0). The Chinese characters on this site are rendered with a font built from LXGW WenKai and Plangothic (SIL OFL 1.1, MIT) and AR PL Kaiti/Ukai (Arphic Public License).

We are grateful to all contributors who have made these resources available. Dictionary data and third-party content are provided for personal, educational use within the Services. Redistribution of third-party content outside the Services may be subject to the original licenses.

17. Promotions

From time to time we run promotions that reward you with free access to Hanzio Premium. This section governs them. Where a promotion's own published rules differ from this section, those rules apply.

Free month for a social media post

If you publish a video about Hanzio on Instagram or TikTok, we may grant you one month of Hanzio Premium at no charge. To qualify, the post must:

• be public, and remain public for at least 30 days;
• be your own original content and genuinely about Hanzio;
• tag @hanzio.app and include the hashtag #hanzio;
• have reached at least 200 views at the time we check your request.

To claim, send us a direct message from the account that published the post, including a link to the post and your Hanzio username. We verify each request manually and the view count is assessed at the time of that check.

Advertising rules

Because you receive something of value in return, your post may count as advertising or a paid promotion where you live. You are responsible for complying with the advertising and consumer protection rules that apply to you, and with the rules of the platform you post on, including any obligation to identify the post as a paid promotion.

Frequency

There is no lifetime limit. You may claim once per calendar month, and each claim requires a new post; the same post may not be submitted more than once.

The reward

The reward is one month of Hanzio Premium granted as a promotional entitlement to your Hanzio account. It has no cash value, cannot be exchanged, transferred or sold, and is not redeemable against a purchase.

Free months do not stack and do not run concurrently with one another. If you already hold a free month, a further month will begin when the current one ends.

If you have an active paid subscription, a promotional month runs alongside that subscription. It does not pause, extend, reduce or refund it, and you will continue to be billed as normal. Contact us before claiming so that we can arrange the timing.

Refusal and withdrawal

We may decline any claim at our discretion, including where views or engagement appear to be purchased or inauthentic, where the content is not yours, or where the post misrepresents the Services. We may modify, suspend or end any promotion at any time; claims already submitted to us before a promotion ends will still be honoured. Premium already granted is not withdrawn if a promotion ends, but we may revoke a grant obtained through a claim that was false or misleading.

Your information

We use the social media handle, post link and Hanzio username you send us solely to verify your claim and apply the reward, and we keep a record of granted claims so that we can apply the monthly limit. See our Privacy policy.

Platforms

Our promotions are not sponsored, endorsed or administered by, or associated with, Instagram, TikTok, Meta Platforms or ByteDance. You are responsible for complying with the terms of the platform you post on.

18. Contact Us

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

Email: support@hanzio.app

Website: https://hanzio.app

These Terms of Service were last updated on September 23, 2026.