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Privacy Policy

Ray App Lab ("the Developer") establishes this Privacy Policy to explain how user information is handled in the Android application "Quantiventra" ("the App").

1. Collection and Use of Personal Information

The App does not collect or obtain personal information such as names, addresses, phone numbers, or email addresses. It does not transmit such information to external servers or provide it to third parties.

2. Purpose of Device Permissions

The App requests the following device permissions solely to enable its core features. No permission is used beyond its stated purpose.

• Camera (CAMERA): Used exclusively for scanning barcodes and 2D codes. No photos or videos are recorded, saved, or transmitted.
• File selection & sharing: CSV files are read (imported) or written (exported) only to files or destinations selected by the user. The App does not request persistent storage permission for unrestricted access to device files.

3. Data Storage and Security

All data entered or scanned in the App is stored only on the user's device. The Developer does not have access to user data. Users are responsible for managing and backing up their own data.

When purchasing a plan or restoring a previous purchase, network communication may occur through Google Play to verify purchase status. Please refer to Google Play for purchase and refund terms.

4. Changes to This Policy

The Developer may revise this Policy in response to changes in law or app updates. Any significant changes will be announced on this page.

5. Contact

For inquiries about this Policy, please use the contact information on our website or the developer contact listed on the app store page.