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Terms of Service

Last Updated: November 05, 2026

Welcome to the BookFun mobile application and associated software services (collectively, the “Services” or “this Application”). These Terms of Service (these “Terms” or “ToS”) constitute a legally binding service contract between you (the “User” or “you”) and Aicrosoft (“we,” “us,” or the “Developer”) governing your downloading, installation, activation, and usage of this Application, as well as the purchase of related software features and premium offerings.

Please read these Terms carefully before using the Services. For software client licensing and usage restrictions, please review our End User License Agreement (EULA); for personal data handling and our zero-server architecture, please review our Privacy Policy; for book copyright liabilities and formatting fault tolerances, please review our Disclaimer.

1. Scope of Services and Tool Nature

  1. Services Description: The Services encompass the mobile local typography e-reader, personal bookshelf management, reading annotations, and reading time analytics provided by Aicrosoft for BookFun. This includes CoreText-based dynamic typesetting, multi-format parsing (TXT, EPUB, Markdown, etc.), AI text-to-speech (TTS) listening assistance, and book cover and metadata matching tools.
  2. Pure Local Utility: This Application is strictly a local personal digital reading tool. It does not operate an online commercial bookstore, nor does it provide, distribute, or sell book content to users.

2. In-App Purchases (IAP) and Premium Offerings

This Application provides core free reading capabilities alongside optional premium (Pro / Lifetime) features:

  1. Premium Tier Privileges: Pro users unlock realistic 3D page-turn effects, advanced typography and custom fonts, unlimited bookshelf categories, dual-track reading analytics, and enhanced continuous voice synthesis.
  2. Official Billing Channels: All in-app purchase transactions are processed exclusively through official Apple App Store mechanisms (StoreKit 2). The Developer does not handle or store raw payment card data or financial credentials.
  3. Refund Policy: Billing validations, payment processing, and refund adjudications are handled entirely by Apple pursuant to Apple Media Services Terms and Conditions.
  4. Lifetime License Lifecycle Definition: For one-time Lifetime purchases, “Lifetime” denotes the commercial lifecycle during which this Application is published, maintained, and actively supported on the Apple App Store, rather than the natural lifespan of the individual user.

3. User Conduct and Compliance

When using this Application and accessing technical support, you agree to comply with applicable laws and refrain from:

  1. Cracking and Cheating: Utilizing jailbreak tweaks, memory modification tools, or forged receipts to bypass licensing restrictions, unlock Pro privileges, or violate app sandbox integrity;
  2. Legitimate Content Warranty: Ensuring that all books and documents imported locally, via Wi-Fi transfer, or via cloud storage possess lawful copyright authorization or qualify under fair use exceptions. Utilizing this Application to produce, record, or distribute unauthorized pirated audiobooks or ebooks is strictly prohibited;
  3. Proper Communication: Submitting support inquiries and feedback free of harassment, abuse, defamation, or unsolicited commercial advertising.

4. External Dependencies and Service Disclaimers

  1. Metadata Matching: The built-in cover search and metadata scraper rely on publicly accessible web APIs. The Developer endeavors to maintain stability but does not warrant the continuous availability, accuracy, or artistic quality of third-party public repositories.
  2. AI Voice Synthesis: AI speech playback features rely on operating system native frameworks and external speech synthesis APIs. Brief service disruptions due to network latency or upstream provider adjustments constitute force majeure events.

5. Governing Law and Dispute Resolution

These Terms shall be governed by and construed in accordance with the laws of the People’s Republic of China, excluding conflict-of-law principles. Any dispute arising out of or in connection with these Terms shall be resolved through amicable consultations; failing which, the dispute shall be submitted to the competent people’s court located in the Developer’s domicile.