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Privacy Policy · 隱私政策

Last Updated · 最後更新:2026-09-03

Polylingual Development LLC ("we", "us", or "our") takes your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your personal information when you use the Poly Tutor application ("the App"). · Polylingual Development LLC(以下簡稱「我們」)非常重視您的隱私。本隱私政策說明我們在您使用Poly Tutor應用程式(以下簡稱「本應用」)時如何收集、使用、儲存和保護您的個人資訊。


1. Information We Collect · 我們收集的資訊

1.1 Account Information · 帳戶資訊

When you register and log in, we collect: · 當您註冊和登入本應用時,我們會收集以下資訊:

  • Email address · 電子郵件地址:for account registration, login verification (OTP), and communication · 用於帳戶註冊、登入驗證(OTP驗證碼)和通信
  • Third-party login info · 第三方登入資訊:if you use Google Sign-In, we receive basic profile information (name, avatar, email) from that service · 如您選擇使用Google登入,我們會從該服務獲取您的基本個人資料資訊(姓名、頭像、郵箱)
  • Username · 使用者名稱:an optional display name you may set · 您可選擇設置的顯示名稱

1.2 Learning Data · 學習數據

We collect and store the following learning data to provide a personalised language learning experience: · 本應用收集和儲存以下學習相關數據,以提供個性化的語言學習體驗:

  • Vocabulary data · 詞彙數據:words you've learned, familiarity level, and view counts · 您學過的單詞、熟悉程度和查看次數
  • Chat history · 聊天記錄:your conversations with the AI tutor · 您與AI助教的對話內容
  • Reading materials · 閱讀材料:texts, books, and chapters you've added · 您添加的文本、書籍和章節內容
  • Video data · 影片數據:video info, watch progress, and playlists · 您添加的影片資訊、觀看進度和播放列表
  • Study notes · 學習筆記:notes and files you create · 您創建的筆記和檔案

1.3 Audio Data · 音頻數據

  • Microphone recordings · 麥克風錄音:when you use voice chat, the App accesses your microphone. Audio is sent to a speech recognition service for transcription and is not permanently stored on our servers. · 當您使用語音聊天功能時,本應用需要存取您的麥克風。錄音數據用於語音識別(轉文字),錄音數據會被發送至語音識別服務進行處理,不會被我們永久儲存於伺服器。

1.4 Device and Technical Information · 裝置和技術資訊

  • Language preferences · 語言偏好:your mother tongue and learning language · 您選擇的母語和學習語言
  • App version info · 應用版本資訊:used to provide app updates · 用於提供應用更新服務

2. Local-First Architecture · 本地優先架構

The App uses a local-first data architecture. This means: · 本應用採用本地優先的數據架構。這意味著:

  • Your learning data is stored primarily in your device's local database · 您的大部分學習數據主要儲存在您的裝置本地數據庫中
  • Local data uses browser-native storage (IndexedDB) · 本地數據使用瀏覽器內建的儲存技術(IndexedDB)
  • Data syncs to our cloud servers for cross-device sync and backup · 部分數據會同步到我們的雲端伺服器,以支持跨裝置同步和數據備份
  • Any feature that does not require third-party services, such as a chat LLM, can be used without an internet connection · 任何不需要第三方服務(如聊天語言模型)的功能,都可以在沒有網路連接的情況下使用

3. How We Use Your Information · 我們如何使用您的資訊

We use collected information for the following purposes: · 我們使用收集的資訊用於以下目的:

  • Providing services · 提供服務:personalised language learning including vocabulary tracking, AI conversation, and bilingual assistance · 個性化語言學習,包括智能詞彙追蹤、AI對話和雙語輔助等功能

  • Account management · 帳戶管理:registration, login, and authentication · 帳戶註冊、登入和身份驗證

  • AI features · AI功能:sending conversation content to AI language model services to generate responses · 將對話內容發送至AI語言模型服務,以生成回覆和語言輔助

  • Speech recognition · 語音識別:sending audio to speech recognition services for transcription · 將錄音數據發送至語音識別服務,以實現語音轉文字功能

  • Translation · 翻譯服務:sending text to translation services for bilingual translations · 將文本發送至翻譯服務,以提供雙語翻譯功能

  • Audio processing · 音頻處理:sending audio info to transcription and translation services for bilingual transcripts · 將音頻資訊發送至轉錄和翻譯服務,以生成雙語文字記錄

  • Data sync · 數據同步:syncing learning data across your devices · 在您的不同裝置之間同步學習數據

  • App updates · 應用更新:delivering over-the-air updates · 提供應用版本更新(OTA更新)

  • Communication · 通信:sending account-related notification emails · 向您發送帳戶相關的通知郵件


4. Third-Party Services · 第三方服務

To provide the above features, we use the following third-party services: · 為提供上述功能,我們使用以下第三方服務:

  • Google:machine translation, Google Sign-In authentication · 機器翻譯、Google登入認證
  • Azure (Microsoft):machine translation and text-to-speech services · 機器翻譯和語音合成服務
  • Meta:speech recognition (voice chat audio is sent to Meta's Muse speech recognition service for transcription) · 語音識別(語音聊天錄音會被發送至Meta的Muse語音識別服務進行轉錄)
  • xAI:AI language model services for conversation and research assistance · AI語言模型服務,用於對話和研究輔助
  • Together AI:Whisper enabled transcription · Whisper語音轉錄服務
  • YouTube:video playback and metadata retrieval · 影片播放和元數據獲取
  • Stripe:paid subscription processing · 付費訂閱處理

Each third-party service has its own privacy policy. We recommend reviewing them for details. · 每個第三方服務都有各自的隱私政策。我們建議您查閱相關服務的隱私政策以了解詳情。


5. Data Storage and Security · 數據儲存和安全

5.1 Data Storage Location · 數據儲存位置

  • Your cloud data is stored on international servers · 您的雲端數據儲存在國際伺服器上
  • Local data is stored on your device · 本地數據儲存在您的裝置上

5.2 Security Measures · 安全措施

We take the following measures to protect your data: · 我們採取以下措施保護您的數據安全:

  • All network transmission uses HTTPS/TLS encryption · 所有網路傳輸使用HTTPS/TLS加密
  • User authentication is passwordless and uses secure token mechanisms (JWT) · 使用者認證採用無密碼方式,並使用安全的令牌機制(JWT)
  • We don't store any passwords or financial information at all · 我們完全不儲存任何密碼或財務資訊
  • Third-party service access uses secure API key management · 第三方服務存取使用安全的API密鑰管理

6. Data Sharing · 數據共享

We will not sell your personal information. Your data is only shared with third parties in circumstances necessary to provide the App's features the you are actively using, such as the AI services, speech recognition, translation services mentioned above. We do not share your data with any third parties for advertising or tracking purposes. · 我們不會出售您的個人資訊。您的數據僅在為提供您正在使用的應用功能所必需的情況下才會與第三方共享,例如上述的AI服務、語音識別、翻譯服務等。我們不會為廣告或追蹤目的與任何第三方共享您的數據。

  • Third-party service providers · 第三方服務提供商:only as necessary to provide App features (AI services, speech recognition, translation, etc.) · 僅為提供本應用功能所必需(如上述AI服務、語音識別、翻譯服務等)

  • Legal requirements · 法律要求:when required by law or government request · 當法律法規要求或政府機關依法請求時

  • Protecting rights · 保護權益:when necessary to protect our legitimate interests, user safety, or public interest · 為保護我們的合法權益、使用者安全或公共利益所必需時


7. Your Rights · 您的權利

Under applicable law, you have the following rights: · 根據適用法律,您享有以下權利:

  • Right of access · 訪問權:you can view your personal information stored in the App at any time · 您可以隨時查看您在本應用中儲存的個人資訊

  • Right of correction · 更正權:you can correct inaccurate personal information · 您可以更正不準確的個人資訊

  • Right of deletion · 刪除權:you can request deletion of your account and related data. After account deletion, your cloud data will be permanently deleted. Please note that data stored locally on your device must be deleted by uninstalling the App or clearing app data · 您可以請求刪除您的帳戶和相關數據。刪除帳戶後,您的雲端數據將被永久刪除。請注意,本地儲存在您裝置上的數據需要您自行通過解除安裝應用或清除應用數據來刪除

  • Right to data export · 數據導出權:you can export your learning data · 您可以導出您的學習數據

  • Right to withdraw consent · 撤回同意權:you can withdraw consent for specific data processing at any time (e.g. microphone permissions) · 您可以隨時撤回對特定數據處理的同意(如麥克風權限)

To exercise any of the above rights, please contact us using the information below. · 如需行使上述權利,請通過下方聯繫方式與我們聯繫。


8. Protection of Minors · 未成年人保護

We value the privacy of minors. If you are under 18, please use this App with the accompaniment and consent of a guardian. We will not knowingly collect personal information from children under 14 without explicit consent from their guardian. · 我們重視未成年人的隱私保護。如果您是未滿18周歲的未成年人,請在監護人的陪同和同意下使用本應用。我們不會在明知情況下收集未滿14周歲的兒童的個人資訊,除非已獲得其監護人的明確同意。


9. Data Retention · 數據保留

  • We retain your data while you use the App · 我們在您使用本應用期間保留您的數據
  • When you delete your account, we will delete your cloud data within a reasonable timeframe · 當您刪除帳戶時,我們將在合理時間內刪除您的雲端個人數據
  • Audio data is not retained on our servers after speech recognition processing · 錄音數據在語音識別處理完成後不會在我們的伺服器上保留
  • We may retain anonymised, de-identified data to improve services · 我們可能會保留匿名化、去標識化的數據用於改進服務

10. Cookies and Similar Technologies · Cookie和類似技術

The App uses local storage (localStorage) to save your authentication tokens and preferences. These are necessary for the App to function and are not used for tracking or advertising. The App does not use third-party tracking tools or analytics services. · 本應用使用本地儲存(localStorage)來保存您的認證令牌和應用偏好設定。這些是應用正常運行所必需的,不用於追蹤或廣告目的。本應用不使用第三方追蹤工具或分析服務


11. Policy Updates · 隱私政策更新

We may update this Privacy Policy from time to time. Updated policies will be posted on this page with the last updated date. For significant changes, we will notify you through in-app notifications or email. · 我們可能會不時更新本隱私政策。更新後的政策將在本頁面發佈,並註明最後更新日期。重大變更時,我們將通過應用內通知或郵件方式告知您。


12. Contact Us · 聯繫我們

If you have any questions about this Privacy Policy or need to exercise your rights, please contact us: · 如果您對本隱私政策有任何疑問或需要行使您的權利,請通過以下方式聯繫我們:


Copyright © 2026 Polylingual Education LLC. All rights reserved.