Privacy Policy (English)

App Name: Cost Notebook(成本记事本/成本記事本/コストノート)

Hereinafter referred to as Cost Notebook

This Privacy Policy explains how Cost Notebook handles (or does not handle) user data.

1. Data Storage and Transmission

• Cost Notebook stores data only on your local device.
• Cost Notebook does not upload any data to any server and does not perform cloud syncing.

2. Information We Do Not Collect

Cost Notebook does not collect, store, or share the following information (including but not limited to):

• Account information (such as phone number, email address, or third‑party login details)
• Location data
• Advertising identifiers (such as IDFA/AAID)
• Device identifiers or analytics data used for tracking

3. CSV Import and Export

• Cost Notebook supports importing and exporting data via CSV files. (Export function requires an in-app purchase. Import is unlimited.)
• CSV files are stored and managed by the user at a location of the user’s choice.
• We do not read, upload, or back up the contents of files you import or export.

4. Contact

If you have any questions about this Privacy Policy, please contact: [email protected]

隐私政策（中文）