1. Introduction

Kelthos Technologies ("we," "our," or "us") operates the SCANUX mobile application (the "App") and the associated web services at scanux.kelthos.com (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App and Service.

By using SCANUX, you agree to the collection and use of information in accordance with this policy. If you do not agree with the terms of this Privacy Policy, please do not use the App.

2. Information We Collect

2.1 Information We Do NOT Collect

SCANUX is designed with privacy as a core principle. We do not collect:

SCANUX requires no account creation or signup to use.

2.2 Device Identifier

When you use the Link-in-Bio or Short Links features, the App generates a random UUID (Universally Unique Identifier) stored locally on your device. This identifier:

2.3 User-Provided Content

If you choose to use the Link-in-Bio or Short Links features, you voluntarily provide the following content which is stored on our servers:

This content is associated only with your random device UUID, not with any personal identity.

2.4 Short Link Visit Data

When someone visits a short link created through SCANUX, we collect minimal data for visit counting:

We do not use tracking cookies, pixels, fingerprinting, or any third-party analytics on short link redirects.

2.5 QR Scanning Data

All QR code and barcode scanning is performed entirely on your device using Google ML Kit's on-device processing. Scanned content is:

2.6 QR Code Creation Data

QR codes you create are generated entirely on your device. The content, colors, styles, and logos you use are processed locally and are never sent to our servers.

3. Third-Party SDKs and Libraries

SCANUX uses the following third-party software components. We are transparent about each one and what data it can access:

SDK / Library Provider Purpose Data Access
Flutter SDK Google Application framework None
mobile_scanner Google ML Kit Camera-based QR/barcode scanning Camera frames (on-device only)
qr_flutter Open source QR code rendering None (local rendering)
flutter_riverpod Open source State management None (local only)
shared_preferences Flutter team Local key-value storage None (device storage only)
share_plus Flutter Community System share sheet None
path_provider Flutter team Local file system access None (local paths only)
permission_handler Open source Android permission requests None
image_picker Flutter team Gallery image selection for QR logo None (selected image stays local)
http (dart) Dart team API communication for bio/links Network (to our server only)
Google Fonts (Inter) Google Typography Network (font download)

No advertising SDKs are included in SCANUX. We do not use Google AdMob, Facebook SDK, Firebase Analytics, Crashlytics, or any other advertising or analytics framework. There are no ads in the App.

4. Permissions

SCANUX requests the following Android permissions:

4.1 Camera (CAMERA)

Required for the QR code and barcode scanning feature. Camera frames are processed entirely on-device using Google ML Kit. Camera data is never transmitted to any server. You can deny this permission and still use QR creation, bio pages, and short links features.

4.2 Internet (INTERNET)

Required for:

The App only communicates with our own server (scanux.kelthos.com) and Google Fonts. No data is sent to any other third party.

4.3 Storage (WRITE_EXTERNAL_STORAGE)

Required only on Android 12 and below to save generated QR code images to your device's gallery. On Android 13 and above, this permission is not needed. Saved images remain on your device and are not uploaded anywhere.

5. How We Use Information

We use the limited information we collect solely to:

We do not:

6. Data Storage and Security

Server-side data (bio pages and short links) is stored in an encrypted database on secure servers. We implement appropriate technical and organizational measures to protect data against unauthorized access, alteration, disclosure, or destruction, including:

On-device data (scan history, settings, device UUID) is stored using Android's standard SharedPreferences and local file storage, protected by the operating system's app sandboxing.

7. Data Retention

8. Data Deletion

You have the right to request deletion of all your server-side data at any time. We provide two methods:

What gets deleted:

On-device data (scan history, preferences) can be deleted by clearing the app's data through your Android Settings → Apps → SCANUX → Clear Data, or by uninstalling the app.

Since SCANUX does not require account creation, there is no account to delete. Data deletion removes all server-stored information associated with your anonymous Device UUID.

9. Children's Privacy

SCANUX is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. Since SCANUX does not collect personal information from any user, there is no risk of inadvertently collecting children's data.

If you are a parent or guardian and believe your child has provided personal information through our Service, please contact us at privacy@kelthos.com and we will take steps to remove such information.

SCANUX complies with the Children's Online Privacy Protection Act (COPPA) and similar regulations worldwide.

10. International Data Transfers

Our servers may be located outside your country of residence. By using the Link-in-Bio or Short Links features, you consent to the transfer of the limited information described in this policy to our servers. We ensure appropriate safeguards are in place to protect your data regardless of where it is processed.

11. Your Rights

Depending on your jurisdiction, you may have the following rights:

To exercise these rights, contact us at privacy@kelthos.com.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. Changes are effective immediately upon posting.

We encourage you to review this Privacy Policy periodically for any changes. Your continued use of the App after any modifications indicates your acceptance of the updated Privacy Policy.

13. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Kelthos Technologies

Privacy Inquiries: privacy@kelthos.com

General Support: support@kelthos.com

Website: https://kelthos.com