Terms of Use

Article 1. Service Overview

BlankToKanji is a mobile learning application designed to help users learn Japanese kanji through handwriting practice.

The App provides the following learning features:

• Kanji handwriting practice and recognition
• Stroke order guidance and learning hints
• On’yomi and Kun’yomi readings and related vocabulary
• Kanji learning organized by grade or level
• Learning history and progress tracking
• Review exercises and learning statistics

Certain features and content are available through a Premium purchase.

The App supports iOS and Android devices and does not require account registration.

Article 2. Conditions of Use

1. Users must comply with these Terms and applicable laws when using the App.
2. The App is provided in accordance with the age ratings and usage requirements displayed in the relevant app stores.
3. Minors must obtain parental or guardian consent for paid purchases where required.
4. Users must not use the App for unlawful purposes or interfere with its normal operation.
5. The Developer may take necessary measures to maintain the stability and security of the service.

Article 3. Free and Premium Services

1. Free Services

BlankToKanji provides free access to 1,026 kanji characters across Levels 10 through 5.

These levels remain available free of charge, regardless of whether the user purchases Premium.

2. Premium Services

Purchasing Premium unlocks the following additional levels:

• Level 4
• Level 3
• Pre-Level 2
• Level 2

Premium provides access to all 2,136 Jōyō Kanji (commonly used kanji) currently included in the App.

Learning content includes stroke order, readings, related vocabulary, example sentences, and other educational materials.

3. Future Content Updates

Pre-Level 1 and Level 1 are planned for release in future updates.

Users who have already purchased Premium will receive access to these additional levels at no extra charge once they become available.

Specific release dates have not yet been determined and may change depending on development and operational circumstances.

Article 4. Premium Purchases and Payments

1. Premium is a one-time, non-consumable in-app purchase and is not a subscription.
2. No recurring subscription fees will be charged after purchase.
3. Payments are processed through Apple App Store or Google Play.
4. The purchase price is determined by the amount displayed in the relevant app store at the time of purchase.
5. Prices may vary depending on country, region, currency, and applicable taxes.
6. Premium purchase entitlements are managed according to the purchasing account and policies of the relevant app store.

The Developer does not directly collect or store sensitive payment details such as credit card numbers.

Article 5. Purchase Restoration and Device Changes

Premium purchases can be restored without additional payment when using the same app store account originally used for the purchase.

1. iOS

Users can restore their purchases by signing in to the App Store with the Apple Account used for the original purchase.

2. Android

Users can verify and restore their purchases by signing in with the Google Play account used for the original purchase.

3. How to Restore Purchases

If Premium features are not automatically activated, follow these steps:

1. Open BlankToKanji.
2. Go to Settings.
3. Select Restore Purchases.
4. Verify the purchase status.

Once the purchase has been successfully restored, Premium features will be available without additional payment.

4. Purchases Across Operating Systems

Purchases are not transferable between iOS and Android.

Premium purchased through the App Store cannot be transferred to Google Play, and Premium purchased through Google Play cannot be transferred to the App Store.

Switching between operating systems may require a separate purchase.

Article 6. Learning Data and Backups

1. Learning history and settings are primarily stored locally on the user’s device.
2. The App does not provide its own account registration or server-based login system.
3. Learning data may be lost when the App is deleted, the device is reset, or the user switches devices.
4. On some devices, data may be restored through operating system backup and restoration features.
5. The availability of data restoration depends on the device, operating system, and backup settings.
6. The Developer does not guarantee the backup or restoration of all learning data.

Premium purchase records and learning data are managed separately.

Therefore, successfully restoring a Premium purchase does not necessarily restore previous learning history.

Article 7. Content and Intellectual Property

Intellectual property rights in the App’s original design, user interface, images, text, program code, and other original content belong to the Developer or their respective rights holders.

Some kanji data used in the App is based on the KANJIDIC2 project and is subject to the applicable license terms.

Except as permitted by applicable laws or licenses, users may not reproduce, distribute, sell, or commercially exploit the App’s content without permission from the Developer or relevant rights holders.

Article 8. Refund Policy

Refunds for Premium purchases are handled according to the refund policies of the app store through which the purchase was made and applicable laws.

Apple App Store

Users who purchased Premium through the App Store may request a refund directly from Apple.

Google Play

Users who purchased Premium through Google Play may request a refund according to Google Play’s refund procedures.

Refund eligibility and processing times may vary depending on the platform’s policies and applicable laws.

If a refund is successfully processed, the corresponding Premium entitlement may be revoked.

Nothing in this section limits any rights granted to users under applicable consumer protection laws.

Article 9. Service Use and Disclaimer

1. The App is an educational tool intended to support kanji learning.
2. The Developer does not guarantee success in any particular examination or specific learning outcomes.
3. Handwriting recognition results, stroke order guidance, and educational content may contain occasional errors due to technical limitations.
4. Certain features may not function properly depending on the device, operating system, or network conditions.
5. The Developer will make reasonable efforts to provide a stable and reliable service.

To the extent permitted by applicable law, the Developer may limit liability for damages caused by users or circumstances beyond the Developer’s reasonable control.

However, these Terms do not exclude liability arising from the Developer’s intentional misconduct or negligence where such liability cannot legally be excluded, nor do they restrict rights guaranteed under applicable consumer protection laws.

Article 10. Changes to or Discontinuation of the Service

The Developer may modify the App’s features and content to improve service quality, introduce new functionality, resolve technical issues, or meet operational requirements.

For significant changes or planned discontinuation of the service, the Developer will make reasonable efforts to provide advance notice through the App or official website.

However, immediate changes may be made without prior notice when necessary due to security concerns, urgent technical issues, or other unavoidable circumstances.

Users’ rights concerning changes to or discontinuation of paid services will be protected in accordance with applicable laws and app store policies.

Article 11. Changes to These Terms

The Developer may revise these Terms as necessary to comply with applicable laws or meet operational requirements.

When these Terms are updated, the Developer will provide notice through the official website or the App.

For significant changes, the Developer will provide information about the effective date and the main changes and obtain user consent where required by applicable law.

Updated Terms will take effect on the date specified in the relevant notice.

Article 12. Privacy Protection

The collection, use, and handling of personal information related to the App are governed by the separately published Privacy Policy.

Users can review the Privacy Policy on the official website.

Privacy Policy

https://kanji.mikyungcho.com/privacy/

Article 13. Contact and Customer Support

For questions regarding the App, Premium purchases, purchase restoration, or these Terms, please contact us using the information below.

Developer: MK Design

Email: misamisatojp@gmail.com

Official Website: https://kanji.mikyungcho.com/

Customer Support: https://kanji.mikyungcho.com/support/

Contact: https://kanji.mikyungcho.com/contact/