Privacy Policy
CostKeeper
Introduction
Welcome to CostKeeper ("this App"). We understand the importance of personal information to you and will comply with legal requirements to protect your personal information with appropriate security measures.
1. Information We Collect
1.1 Locally Stored Data
This App uses local storage. All your data (including item names, prices, categories, purchase dates, expiration dates, notes, images, etc.) is stored only on your device and is not uploaded to any server or third party.
1.2 Information We Do Not Collect
This App does not collect, store, or transmit any of your personal information, including but not limited to:
- Name, phone number, email address, or other contact information
- ID numbers, bank card numbers, or other sensitive information
- Location information or device information
- Browsing history or usage behavior data
2. How We Use Information
Data stored locally on your device is used only for the following purposes:
- Recording and managing your item information
- Calculating daily value and usage duration of items
- Providing category statistics and data analysis features
- Supporting image display functionality
3. Information Sharing and Transfer
Since this App uses pure local storage architecture, we do not:
- Share or transfer your data to any third party
- Use your data for any commercial purposes
- Transfer your data outside your region
4. Data Storage and Protection
4.1 Data Storage Location
All your data is stored in your device's local storage.
4.2 Data Security Responsibility
Please note that since data is stored entirely locally:
- Uninstalling the App will result in data loss
- Clearing App cache will result in data loss
- Data will not automatically sync when changing devices
5. Your Rights to Manage Data
You have complete control over your data:
- You can add, edit, or delete any item record at any time
- You can uninstall the App at any time to clear all data
- You can choose whether to use the image feature
6. Permission Usage
This App may require the following system permissions:
- Camera Permission: Used to take photos of items (for local use only)
- Photo Library Permission: Used to select or save item images (for local use only)
You can manage these permissions at any time in your device settings.
7. Children's Privacy
This App is designed for all age groups and does not involve the collection of personal information from children. If minors have any questions while using this App, we recommend consulting with a guardian.
8. Changes to Privacy Policy
We may update this Privacy Policy from time to time. When there are material changes to this policy, we will notify users through in-app notifications or other reasonable means.
9. Contact Us
If you have any questions, comments, or suggestions about this Privacy Policy, please feel free to contact us:
Last Updated: April 15, 2026