Effective Date: August 22, 2025
Expense Diary (hereinafter referred to as the "App") takes user privacy and personal information protection very seriously. Please read this Privacy Policy carefully before using the App to understand how we collect, use, store, and protect your information.
1. Information Collection
The App may collect the following types of information:
Personal Information
Email Address (if you register or provide feedback)
User Account Information (optional)
Usage Information
App Usage History (such as features accessed, usage duration, and operation logs)
Device Information (such as device model, operating system version, and app version)
Financial Data (locally stored only)
Expense and income information you record in the App
Categories and Notes
Note: All financial data is stored locally on your device and will not be uploaded to servers or shared with third parties unless you actively export it.
2. Information Use
The collected information may be used for the following purposes:
Providing and maintaining app functionality
Improving user experience and app performance
Responding to user inquiries and feedback
Sending app-related notifications (such as updates or important announcements)
3. Information Sharing and Disclosure
This app will not sell or rent your personal information to any third party.
We may disclose information in the following circumstances:
When required by law or regulation
Protecting our legitimate rights and interests, such as preventing fraud or abuse
4. Children's Privacy
This app is not intended for children under the age of 13. If you are under the age of 13, please do not use this app. For users aged 13 and above, we implement the following measures to protect children's privacy:
Information Collection Limitations
We only collect basic information necessary to provide app functionality, such as device information and usage history.
Sensitive personally identifiable information (such as address or ID number) is not collected.
Parental/Guardian Guidance
We recommend that young users use this app under the guidance of their parents or guardians.
Parents should ensure that users do not upload or share financial data on public platforms.
Data Security
The recorded data of young users is also stored only locally on their device.
We do not use this data for advertising tracking or commercial purposes.
5. Data Security
We implement reasonable technical and administrative measures to protect the security of your data, including:
Local data encryption
Preventing unauthorized access, modification, and deletion
Note: Despite our security measures, the Internet and mobile devices cannot be guaranteed to be completely secure. Please keep your device and account information secure.
6. Privacy Policy Updates
This Privacy Policy may be updated from time to time. We will notify users of any updates within the app or by email. We encourage you to review this Privacy Policy regularly for the latest information.
7. Contact Us
If you have any questions about this Privacy Policy or the handling of your personal information, please contact us through the following means:
Email address: luoliying219@gmail.com