Terms of Use and User Service Agreement

Updated: June 17, 2026

Effective Date: June 17, 2025

1. Introduction

1.1 These Terms of Use and User Service Agreement (the "Agreement"), together with all referenced documents, constitutes a legally binding agreement between you, a natural person ("you", "your", or "User"), and Hongchao Chen ("we", "us", or "our"). This Agreement governs your access to and use of the "PhotoKit: Cleanup your storage" mobile application (the "Application").

1.2 Please read this Agreement carefully before downloading, installing, or using the Application. Important provisions, including liability disclaimers and limitations, are highlighted in bold for your attention. By downloading, installing, or using the Application, you signify that you have read, understood, agreed to, and accepted this Agreement, which becomes effective immediately. Your use of the Application constitutes your agreement to abide by this Agreement.

1.3 This Agreement incorporates our Privacy Policy. When you use specific services, any separate agreements, business rules, or terms associated with those services (once officially released) shall also form integral parts of this Agreement, and you agree to comply with them. Acceptance of any such separate agreement constitutes your acceptance of this entire Agreement. Your acceptance of this Agreement constitutes your acceptance of the Privacy Policy. If you do not agree to this Agreement, or to any provision herein, you are not authorized to access, download, install, or use the Application and must immediately cease downloading or installing it and delete it from any mobile device you own or control.

1.4 We may update this Agreement at any time. You agree that we are not obligated to provide individual notice for each change; it is your responsibility to review the Agreement periodically for updates. By continuing to use the Application after the posting date of any revised Agreement, you agree to be bound by the changes and acknowledge awareness and acceptance of them.

2. Restrictions on Who May Use the App

Please read this Agreement fully before downloading, installing, accessing, or using the Application. If you are between thirteen (13) and seventeen (17) years of age and wish to use, download, install, or access the Application, you must: (a) ensure and confirm (if required) that your parent or guardian has read, consented to, and agreed to this Agreement on your behalf; and (b) be authorized to form a binding contract with us under applicable law. Parents or guardians must directly supervise any minor's use of the Application. You confirm that you are of legal age to form a binding contract, are an emancipated minor, or possess verified parental/guardian consent, and possess the full authority, competence, and capacity to accept the terms, conditions, obligations, affirmations, representations, and warranties set forth in this Agreement and to abide by it.

3. General Terms

Please refer to the complete list of features on the Application's product page on the App Store.

This Application is for your personal, non-commercial use only. You may only use this Application for these permitted purposes.

4. License and Use Rights

Subject to the terms of this Agreement, we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service. You may only use the Software in accordance with this Agreement. Any breach of this Agreement may result in immediate termination of your license to use the Software and may incur legal liability. The Developer reserves the right to modify this Agreement at any time, with modified terms effective immediately upon posting on the official website. By using the Software, you indicate that you have read, understood, and agreed to be bound by all terms of this Agreement. If you disagree with any term, you must immediately cease using and delete the Software.

5. Privacy Policy

We prioritize protecting your personal information and will handle it according to applicable laws and regulations. Our Privacy Policy explains how we process, use, and store your information (including personal data). Access to the Application and use of the Services are subject to the Privacy Policy. By accessing the Application and using the Services, you accept the Privacy Policy and acknowledge the processing methods and legal bases described therein. We reserve the right to modify the Privacy Policy at any time. If you disagree with any part of the Privacy Policy, you must immediately stop using the Application and the Services. Please read our Privacy Policy carefully.

6. Intellectual Property

When using the Application, you agree to respect our intellectual property rights (including, but not limited to, source code, UI/UX design, content, copyrights, and trademarks related to the Application - collectively "Intellectual Property Rights") and the intellectual property rights of third parties. You may only use our Application for your own non-commercial purposes without our prior written consent or that of relevant rights holders. You must respect copyrighted materials within the Application. You shall not sell, copy, reproduce, retransmit, distribute, disseminate, publish, or broadcast any images and/or other content from the Application, in whole or in part. We will take legal action against unauthorized use of our trademarks, names, or symbols to protect and enforce our rights.

7. Subscriptions

7.1 You will be automatically charged the price displayed on the payment screen (or Apple Pay pop-up screen) for your chosen subscription period, unless you cancel at least 24 hours before the end of your free trial.

7.2 Subscriptions automatically renew at the end of each period (weekly, monthly, 6-month, annually, or other specified duration) until you cancel.

7.3 Payment will be charged to your iTunes & App Store/Apple ID account ("Account") upon purchase confirmation (after accepting subscription terms via Apple's pop-up screen using Touch ID, Face ID, or other methods) or immediately after your free trial ends.

7.4 You can cancel a free trial or subscription anytime by disabling auto-renewal in your account settings.

7.5 To avoid charges, cancel your subscription in your account settings at least 24 hours before your free trial or current subscription period expires.

7.6 You can manage subscriptions directly. Visit [Apple's support page] for detailed instructions on management (including cancellation).

Note: Deleting the app does not cancel your subscription. (Apple iOS 13+ users may manage subscriptions during app deletion).

7.7 For subscriptions purchased through the Apple App Store:

• Refund eligibility requires direct requests to Apple.

• Follow refund instructions on [Apple's support page].

8. Limitation of Liability

In no event shall we be liable for any direct or indirect damages arising from or related to the Application or its services. We cannot foresee or prevent all technical or other risks, including but not limited to force majeure, viruses, trojans, hacking, system instability, carrier issues, power failures, network failures, third-party service defects, system updates, government actions, or third-party websites, which may cause service interruptions, data loss, or other disruptions. Furthermore, we assume no liability for any damages related to products, services, and/or information provided by any third party accessed via the Application or otherwise. You are solely responsible for any expenses or damages resulting from legal actions (private or governmental) arising from your use of the Application and services in any country/region.

9. Termination Clauses

We reserve the right, at our sole discretion, to terminate this Agreement at any time and for any reason.

Upon termination:

(a) All rights and licenses granted to you under this Agreement will cease immediately.

(b) You must cease all use of the Application.

10. Applicable Law and Dispute Resolution

10.1 You are responsible for ensuring your actions comply with your country's laws. If any provision of this Agreement conflicts with your country's laws, that provision will be limited or eliminated only to the minimum extent necessary, and the remaining provisions will remain valid and enforceable.

10.2 The parties agree to resolve any dispute, controversy, or claim arising from this Agreement amicably through negotiation. Within sixty (60) days of receiving notice from the other party, you and we will engage in dialogue to resolve the dispute; however, neither party shall be compelled to accept terms it finds unsatisfactory.

10.3 During any dispute resolution process, the parties shall continue performing their obligations under the unaffected terms of this Agreement until the dispute is finally resolved.

11. Contact Information

For questions, comments, or requests regarding this Agreement or the Privacy Policy, you may contact us as follows:

Please contact our Personal Information Protection Officer via customer service email: Photokit2025@outlook.com.

We typically respond within fifteen (15) working days after receiving your inquiry and verifying your identity.