Privacy Policy

Effective Date: 2025-08-13 | Last Updated: 2025-08-13

Welcome to "Linguagua" (hereinafter referred to as "we" or "the Product"). We attach great importance to your personal information and privacy protection. This Privacy Policy aims to inform you how we collect, use, store, share and protect your personal information, as well as the rights you enjoy. Please read and fully understand all the contents of this policy carefully before using this product.

1. Scope of Application

This policy applies to your use of all services provided by the Product through iOS and Android clients. If you use third-party provided functions or services, please refer to their privacy policies.

2. Information We Collect

Under legal, legitimate and necessary premises, we will collect the following information according to the functions you use:

Account Information: Nickname, avatar, mobile phone number/email (used for login and account recovery).
Learning and Usage Data: Learning records, progress, check-in data, answers and scoring results, feedback opinions.
Device Information: Device model, operating system version, unique device identifier (such as IDFA/Android ID), network type, IP address, crash logs and performance data, used for fault location and statistical analysis.
Log Information: Operation logs, request time, request URL, error codes, etc.
Audio Processing Related (if applicable): When you use functions such as repetition, your audio may be processed locally or in the cloud, only for implementing the function or improving algorithm effects.

Optional: You can also choose not to provide certain information, but this may cause related functions to be unavailable.

3. How We Use Information

Used for account registration, login and identity verification.
Provide core functions (learning records, task system, repetition scoring, offline cache, etc.).
Optimize product performance and user experience (such as crash analysis, problem positioning).
Conduct statistical analysis to improve teaching content and recommendations.
Comply with laws and regulations and cooperate with regulatory requirements.

4. Device Permission Usage Instructions

To achieve corresponding functions, we may call the following permissions after obtaining your authorization:

Microphone: Used for voice repetition/recording scoring.
Storage/Photos: Used to cache course audio/save screenshots or select avatars.
Notifications: Used to remind learning tasks and service messages.

You can revoke authorization in the device system settings at any time without affecting the use of unrelated functions.

5. Third-Party Services/SDKs (if applicable)

To implement some functions, we may integrate third-party services/SDKs. We only provide the data necessary to realize the function and require them to comply with relevant laws and regulations and industry best practices. The following are common types of examples (please fill in according to actual situation):

Statistical Analysis: Such as Umeng Statistics/Google Analytics (used for usage analysis).
Push Service: Such as Ge Tui/Jiguang/FCM (used for message push).
Cloud Storage and Content Distribution: Such as Alibaba Cloud OSS, CDN (used for storage and acceleration).
Voice Synthesis/Recognition: Such as cloud TTS/ASR services (used for dubbing, scoring).

We will not sell your personal information to any unrelated third parties. It is only shared or provided in the following situations:

Prior express consent or authorization from you.
To achieve necessary business functions, share necessary information with partners.
Based on laws and regulations, litigation, dispute resolution or administrative/judicial requirements.
Necessary to protect the life and property safety and legitimate rights and interests of you, us or the public.

7. Information Storage, Territory and Duration

Storage Location: Your personal information is principally stored within China (if cross-border transmission is involved, it will follow legal requirements and obtain your consent).
Storage Period: Stored within the shortest period required to achieve the purpose. After the storage period expires, we will delete or anonymize the data.

8. Information Security

We adopt reasonable and feasible security protection measures (such as encrypted transmission, access control, minimization authorization, log audit, etc.) to protect your information security. However, please understand that no security measures can guarantee 100% security.

9. Minor Protection

If you are a minor under the age of 14, please use our services under the supervision and guidance of a guardian. We only collect, use or disclose their personal information in cases permitted by law, explicit consent of the guardian, or necessity to protect minors.

10. Your Rights

According to laws and regulations, you have the following rights to personal information:

Query, copy, correct, delete personal information.
Withdraw consent, cancel account.
Obtain personal information copies, restrict or oppose specific processing.
Response method: You can contact us through in-app settings/customer service email, and we will process within the statutory time limit.

11. Contact Us

If you have any questions, suggestions or complaints, please contact us through the following methods:

Email: yang88can@163.com

12. Policy Changes

We may update this policy from time to time. For major changes, we will prompt you through in-app messages, pop-ups or page announcements. If you continue to use our services, it means you have read, understood and agreed to be bound by the updated policy.