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Privacy Policy

Last Updated: November 20, 2025

1. Controller

Werner Katzenberger
Email: sohchecker@gmail.com

2. What Data is Collected?

The SoH Checker app collects and processes the following data exclusively locally on your device:

• Vehicle Data: Name, year of manufacture, battery capacity
• Measurement Data: State of Charge (SoC), consumption, distance traveled, date
• Calculations: State of Health (SoH), estimated range
• Premium Status: Information about whether the premium version is activated

3. How is Data Stored?

All data is stored exclusively locally on your device using:

• Browser Local Storage (for web version)
• Capacitor Storage (for mobile app)

Important: No data is transmitted to external servers. We have no access to your data.

4. External Services

The app uses the following external services:

4.1 jsPDF Library (Cloudflare CDN)

For the PDF export function, the app loads the jsPDF library from a Content Delivery Network (CDN):

• Provider: Cloudflare, Inc.
• Purpose: Provision of the PDF generation library
• Data: Your IP address may be transmitted to Cloudflare when loading the library
• Privacy: Cloudflare Privacy Policy

4.2 Apple In-App Purchase

For premium purchases, we use Apple's standard In-App Purchase system:

• Provider: Apple Inc.
• Purpose: Processing of premium purchases
• Data: Apple processes payment data according to their privacy policy
• Privacy: Apple Privacy Policy

5. Data Sharing

We do not share data with third parties. The only exceptions are:

• Cloudflare CDN when loading the jsPDF library (technically necessary)
• Apple Inc. for In-App Purchase transactions (technically necessary)

6. Analytics and Tracking

The app does not use any analytics services. We do not track:

• Your usage behavior
• App opens or page views
• Your location data
• Device identifiers

7. Data Deletion

You can delete all your data at any time by:

• Deleting individual vehicles and measurements in the app
• Uninstalling the app (deletes all local data)

Since no data is stored on our servers, contacting us for data deletion is not required.

8. User Rights

Under GDPR, you have the following rights:

• Right to Access: You can request information about your stored data
• Right to Deletion: You can request deletion of your data
• Right to Rectification: You can have incorrect data corrected

Since all data is stored locally on your device, you have full control over your data at all times.

9. Data Security

Your data is protected by your operating system's security mechanisms. The app uses standard encryption from the iOS/Android system.

10. Children

The app is not specifically designed for children, but it also does not collect data that could endanger children. The app can be used by people of all ages.

11. Changes to Privacy Policy

We reserve the right to update this privacy policy as needed. Changes will be published on this page. The date of the last update can be found at the beginning of this page.

12. Contact