Privacy Policy

Last Updated: November 4, 2025

1. Introduction

Welcome to Wonndo. We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, and safeguard your data when you use our application.

Wonndo is designed with privacy in mind. We believe in minimal data collection and maximum user control over personal information.

2. Information We Collect

Wonndo collects minimal information to provide you with the best learning experience. We only collect:

2.1 User ID

We collect a unique user identifier to manage your account and subscription status. This ID is automatically generated and does not contain any personally identifiable information.

2.2 Subscription Information

We collect information about your subscription status to provide you with premium features. This includes:

2.3 Information We DO NOT Collect

We want to be clear about what we do not collect:

3. Data Storage

All your learning data, including diary entries, study progress, and preferences, are stored locally on your device. This means:

The only data transmitted to our servers is your User ID and subscription status, which is necessary for managing your subscription and providing premium features.

4. How We Use Your Information

The limited information we collect is used solely for:

We do not use your information for advertising, marketing, or any other purposes beyond providing our core services.

5. Data Sharing and Third Parties

We do not sell, trade, or share your personal information with third parties. The only exception is:

We do not share your User ID or any other information with third-party advertisers, data brokers, or analytics companies.

6. Data Security

We implement industry-standard security measures to protect your information:

Since most of your data is stored locally on your device, you maintain direct control over its security.

7. Children's Privacy

Wonndo is intended for users aged 18 years and older. We do not knowingly collect information from individuals under 18 years of age. If we become aware that a user is under 18, we will take steps to delete their account and any associated information.

8. Your Rights

You have the following rights regarding your data:

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. We will notify you of any material changes by:

Your continued use of Wonndo after any changes indicates your acceptance of the updated Privacy Policy.

10. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or your personal information, please contact us:

Email: 357967@aliyun.com

We will respond to your inquiry within 48 hours.