Privacy Policy

App Name: Billify

Developer: Dinh Lunis

Contact Email: trockilunasbaodinh@gmail.com

Effective Date: May 22, 2026

Last Updated: May 22, 2026

1. Introduction

Billify is an offline invoice generator application developed by Dinh Lunis. This Privacy Policy explains how information is handled when you use the app. The application is designed to operate primarily on your device without collecting or transmitting personal information.

2. Information We Do Not Collect

Billify does not collect, store, transmit, or share personal or sensitive data. This includes:

Names, email addresses, or phone numbers
Device identifiers (IMEI, Android ID, Advertising ID)
IP addresses or network information
Location data
Usage analytics or crash reports
Financial or payment information
Invoice or client data created in the app

The app does not require account registration or user identification.

3. Local Processing and Storage

All invoice creation, calculations, and PDF generation are processed locally on your device. Information you create in the app, such as invoices or client details, is stored locally on your device and is not accessible to the developer.

4. Permissions

Billify does not request sensitive Android permissions. The app does not require:

Location access
Camera access
Microphone access
Contacts access

Most features work completely offline on your device.

5. Third-Party Services

Billify does not use:

Advertising networks
Analytics services
Tracking SDKs
Cloud storage services
External data processors

The app operates independently without third-party tracking services.

6. File Sharing

The app may allow you to export or share generated invoice files using Android’s built-in sharing features. Any sharing action is initiated and controlled entirely by you.

7. Children's Privacy

Billify is suitable for users of all ages. Because the app does not collect personal information, it does not knowingly collect data from children or adults.

8. Data Security

All information remains on your device unless you choose to share exported files. The app does not transmit data to external servers. Data security depends on the security of your device. We recommend keeping your device updated and protected.

9. International Data Transfers

Billify does not transfer data outside your device. No international data transfers occur unless you personally choose to share exported files using third-party apps or services.

10. User Control

You have full control over your data:

You may delete invoices or stored information inside the app
You may clear app data through Android settings
You may uninstall the app at any time
Uninstalling removes all locally stored data

11. Changes to This Policy

This Privacy Policy may be updated if app functionality changes. Updates will be reflected by revising the “Last Updated” date above.

12. Contact Information

If you have questions about this Privacy Policy, contact:

Developer: Dinh Lunis
Email: trockilunasbaodinh@gmail.com