Privacy Policy for Trlln QRs

Last updated: March 25, 2026

Introduction

Trlln QRs ("we", "our", or "us") respects your privacy. This Privacy Policy explains how we handle information when you use our mobile application.

Information We Collect

Trlln QRs does not collect, store, or transmit any personal information to external servers except as described below.

Camera Permission

• Purpose: We request camera access solely to scan QR codes.
• Storage: Scanned QR code data is stored locally on your device only.
• Transmission: Scanned data is only transmitted when you explicitly choose to submit it using the "Submit" button in the app.

Bluetooth Permission

• Purpose: We request Bluetooth access to scan for nearby BLE devices matching specific manufacturer IDs.
• Storage: BLE scan data is stored locally on your device.
• Transmission: BLE data matching configured manufacturer IDs is automatically transmitted to our servers at https://api.trlln.io/*.
• Background scanning: The app may scan for BLE devices while running in the background to ensure continuous data collection.
• Submission intervals: You can configure how frequently BLE scan data is submitted to our servers. This setting is available in the app's configuration and allows you to control the rate of data transmission.

Data Submission

• When you use the "Submit" feature, scanned QR codes and any additional details you provide are sent to the trlln.io API endpoint.
• This transmission only occurs when you manually trigger it.

Data Storage

• All scanned data is stored locally in a database on your device.
• No QR data is automatically uploaded or shared.
• BLE scanned data, for a specified manufacturer IDs, is transmitted to our servers automatically.

Third-Party Services

The app sends data to our servers at https://app.trlln.io/api/* and https://api.trlln.io/*.

Your Rights

• You can delete all scanned data at any time using the "Clear" button in the app.
• You can uninstall the app to remove all locally stored data.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Last updated" date.

Contact Us

If you have questions about this Privacy Policy, please contact us at info@trlln.io