Privacy Policy

1. Overview

LinzNext is a real-time transit departure app for public transportation in Linz, Austria. Your privacy matters to us. This policy explains what data we collect (and don't collect) and how we protect your information.

2. Who We Are

Provider: LinguaFlow e.U.

Representative: Christian Nouza

Address:
Linzer Straße 17
4100 Ottensheim
Austria

Email: hello@linguaflow.app

3. What Data We Collect and Why

3.1 Location Data

LinzNext uses your GPS location to find nearby transit stops and display departure information.

• Processing: Local processing only on your device
• Storage: Not stored. Data is used only for the current session
• Transmission: Your exact location is not sent to us or external servers
• API Requests: Only generic requests to the Linz AG EFA API, without location identifiers

3.2 In-App Purchases and Subscriptions

LinzNext uses RevenueCat to manage premium subscriptions and purchases.

• Processing: RevenueCat processes purchase data anonymously
• Data: RevenueCat receives information such as purchase history and subscription status
• Your Control: You can manage subscriptions through your app store account
• Privacy: See RevenueCat's privacy policy: revenuecat.com/privacy

3.3 Anonymous Usage Statistics (TelemetryDeck)

LinzNext uses TelemetryDeck, a privacy-focused analytics service based in the EU (TelemetryDeck GmbH, Berlin), to understand anonymously how many people use the app.

• What is collected: Anonymous signals such as "app was launched" plus general device information (e.g., OS version, device type)
• Anonymization: The device identifier is cryptographically hashed before transmission and anonymized server-side — it cannot be traced back to you or your device
• No tracking: No advertising IDs, no cross-service linking, no data brokers
• EU processing: GDPR-compliant, no personal data is transferred
• Privacy: See TelemetryDeck's privacy policy: telemetrydeck.com/privacy

3.4 What We Do NOT Collect

• No user accounts or registration required
• No tracking via ad networks or big-tech analytics (e.g., Google Analytics, Firebase)
• No advertising or ad IDs
• No personally identifiable information (names, email, etc.)
• No crash reports containing personal data
• No access to contacts, calendar, or other private data

4. Data Sources

4.1 Linz AG EFA API

LinzNext retrieves real-time departure data from the public Linz AG EFA API.

• Data: Transit stops, route information, real-time updates
• API Key: Not required (public API)
• Your Data: Your location is not sent to the Linz AG API
• Linz AG Privacy: linzag.at

4.2 RevenueCat

For premium features and subscriptions.

RevenueCat may collect aggregated usage data to provide services. Learn more in their privacy policy.

4.3 TelemetryDeck

For anonymous usage statistics (see section 3.3).

TelemetryDeck (TelemetryDeck GmbH, Berlin) processes only anonymized signals on servers in the EU. No personal data is stored. Learn more in TelemetryDeck's privacy policy.

5. Data Storage and Retention

• Local Storage: Minimal settings are stored locally on your device (e.g., favorite stops)
• No Server Storage by Us: We do not operate our own servers and do not store personal user data
• Location Data: Not stored or transmitted
• RevenueCat: Purchase data is stored according to RevenueCat policies
• TelemetryDeck: Anonymized, aggregated usage signals are stored on TelemetryDeck's EU servers — with no link to any person

6. Your Rights

As a user in Austria/the EU, you have the following rights under GDPR:

• Right to Access: You can request what data we hold about you
• Right to Deletion: You can request deletion of your data
• Right to Data Portability: You can receive your data in machine-readable format
• Right to Object: You can object to processing

Since we collect virtually no personal data, these rights are typically fulfilled quickly. Contact us at hello@linguaflow.app for any requests.

7. Data Security

• The app communicates only with HTTPS-protected APIs
• No storage of sensitive data on devices
• App updates address security issues promptly
• We follow best practices for secure software development

8. Data Transfers

Geographic Location: The app can be used from anywhere, but:

• Your location is not transferred internationally
• API requests go to Linz AG servers (Austria)
• RevenueCat may process data in the United States

9. Children's Privacy

LinzNext is not intended for children under 13 years of age. We do not knowingly collect data from children. If you become aware that a child under 13 is using the app, please contact us at hello@linguaflow.app.

10. Cookies and Tracking

LinzNext does not use cookies, pixels, web beacons, or similar tracking technologies. The only analytics component is the anonymous, GDPR-compliant usage statistics via TelemetryDeck (see section 3.3) — it cannot track individual people or devices and is never shared with ad networks.

11. Changes to This Policy

We may update this privacy policy from time to time. Updates will be posted here with a new date. Material changes will be communicated to you.

Last Updated: July 10, 2026 (added: anonymous usage statistics via TelemetryDeck)

12. Contact and Complaints

Questions or concerns about this privacy policy?

You also have the right to lodge a complaint with the Austrian Data Protection Authority (Datenschutzbehörde).