Terms of Use

Effective date: 2026-11-05

These Terms of Use (“Terms”) set forth the conditions for using the mobile application “Tanpri” (“the app”) provided by Ttech LLC (“the Company”). By using the app, you are deemed to have agreed to these Terms.

Article 1 (Application)

  1. These Terms apply to all relationships between the Company and users regarding the use of the app.
  2. The handling of personal information in the app is governed by the separately provided Privacy Policy.
  3. The terms of service of Google Play or the App Store (“the stores”) also apply to obtaining and purchasing the app.

Article 2 (The App)

  1. The app provides features such as creating, studying, and printing word cards (including creating and sharing PDFs), reading text from the camera or photos, exporting and importing backup and share files, and importing CSV files.
  2. On the free plan, the number of word cards you can create is limited. The limit is as shown in the app.
  3. No account registration is required to use the app. The data you create is stored on your device.
  4. The Company may change, add, or discontinue features of the app without prior notice to users.

Article 3 (Paid Features)

  1. The paid features of the app are a one-time purchase. They are not a subscription, and you will not be charged through automatic renewal.
  2. The content and price of the paid features are as shown on the in-app purchase screen and in the stores.
  3. Purchases and payments are processed through the stores, and each store’s terms of service and payment conditions apply.
  4. Purchases can be restored from within the app using the same store account used for the purchase.
  5. Refunds are subject to each store’s refund policy. Each store decides whether a refund is granted, and the Company cannot process refunds directly.

Article 4 (Advertising)

  1. On the free plan, the app may show video ads when you use certain features, if you agree to watch them.
  2. Ads are delivered by a third-party ad service (Google AdMob). The Company is not responsible for the content of ads, the destinations they link to, or any transactions between you and third parties made through ads.
  3. For the handling of information in connection with ad delivery, please see the Privacy Policy.

Article 5 (Minors)

  1. If you are a minor, please use the app with the consent of your parent or other legal guardian.
  2. If you are a minor, you must obtain the prior consent of your legal guardian before purchasing paid features.
  3. We recommend that parents use the parental controls provided by the stores or devices (such as purchase approval).

Article 6 (Your Data)

  1. The word cards and decks you create in the app, and the photos you attach to cards, are stored only on your device and are never sent to the Company.
  2. Rights in the content you create in the app belong to you (or the legitimate rights holders), and the Company does not claim them.
  3. Please back up your data at your own responsibility. The Company is not responsible for loss of data due to device failure or loss, deletion of the app, or similar causes.
  4. If you choose a third-party service, such as a cloud service, as the destination for saving or sharing backup or share files, that service’s terms apply to the handling of those files.

Article 7 (Printouts, Text Reading, and Shared Content)

  1. You may freely use the printouts and PDFs you create with the app.
  2. When you enter, read, print, or share third-party copyrighted works, such as textbooks, workbooks, or reference books, with the app, please do so within the scope permitted by law, such as copying for private use, and do not infringe the rights of others. You are responsible for these activities.

Article 8 (Intellectual Property)

The app, and copyrights, trademarks, and all other intellectual property rights in and related to the app, including its name, design, and programs, belong to the Company or legitimate rights holders. This does not include the content you create with the app (Article 6, Paragraph 2).

Article 9 (Prohibited Conduct)

When using the app, you must not:

  1. Violate laws, regulations, or public order and morals
  2. Engage in conduct related to criminal activity or that harms or disadvantages third parties
  3. Create, print, or share content that infringes the copyrights or other rights of third parties
  4. Reverse engineer, decompile, disassemble, or otherwise analyze the app (except as permitted by law)
  5. Interfere with the operation of the app
  6. Engage in any other conduct the Company reasonably deems inappropriate

Article 10 (Disclaimer)

  1. The app is provided “as is.” The Company makes no warranties of any kind, express or implied, including accuracy, completeness, fitness for a particular purpose, or non-infringement.
  2. The accuracy of text reading results is not guaranteed. Please check the text that is read yourself.
  3. Print results (position, size, color, etc.) may vary depending on your printer, paper, and print settings, and it is not guaranteed that cards will print as intended, including on commercially available paper.
  4. Learning outcomes from using the app are not guaranteed.
  5. All or part of the app may be unavailable depending on your device, OS version, model, or other environmental factors.
  6. The Company is not liable for damages arising from your use of, or inability to use, the app, except in cases of the Company’s willful misconduct or gross negligence. Where the Company is liable, its liability is limited to the amount you paid the Company for the app (except where limited by mandatory provisions of applicable law, such as consumer protection laws).

Article 11 (Changes to These Terms)

  1. The Company may amend these Terms when deemed necessary.
  2. When amending these Terms, the Company will announce the content of the amended Terms and their effective date by posting them on this page or by other appropriate means. The amended Terms take effect on that effective date.
  3. By continuing to use the app on or after the effective date, you are deemed to have agreed to the amended Terms.

Article 12 (Governing Law and Jurisdiction)

  1. These Terms are governed by the laws of Japan.
  2. Any dispute arising in connection with the app shall be subject to the exclusive jurisdiction of the court having jurisdiction over the location of the Company’s head office as the court of first instance.

Contact

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