2025-01-01

Privacy Policy for Meter Tracker

Effective Date: January 2025

1. Controller

Mathias Todisco

Wilmersdorfer Str. 122-123

10627 Berlin

Germany

Email address: hello [at] todisco [dot] de

Phone: +49 179 8174113

Imprint: Imprint

2. Introduction

Meter Tracker is an app for iOS and Android for recording and analyzing consumption values for heating, water, gas, electricity, and other meter types. The protection of your personal data is important to us. This privacy policy informs you about the processing of your data when using our app.

3. Data Processing

3.1 Local Data Storage

Meter Tracker stores your data primarily locally on your device. The following data is collected:

Houses and Rooms: Names and organization of your properties
Meters: Meter type, name, unit, meter number, initial value
Readings: Meter readings with date, optional notes and photos
Cost Configuration: Price per unit, base fees
Billing Periods: Start and end date, consumption, costs
App Settings: Theme, language, notification settings

Important:

All data is primarily stored locally on your device
Synchronization only occurs with your explicit consent
No data is used for advertising purposes
No tracking pixels or analytics services (except anonymized crash reporting)

3.2 Cloud Synchronization (optional)

iOS (iCloud)

If you enable iCloud synchronization, your data will be synced via Apple iCloud:

Synchronization between your Apple devices
Encrypted transmission and storage
You can disable synchronization at any time in iOS Settings

Android (Google Drive/Firebase)

If you enable cloud synchronization, your data will be encrypted and synced:

Synchronization between your Android devices
You can disable synchronization at any time in the app

3.3 Camera Access (optional, Premium)

If you allow camera access, Meter Tracker can:

Capture meter readings via OCR (text recognition)
Save photos of meter readings for documentation
Scanned images are only processed locally

3.4 Photo Library Access (optional, Premium)

If you allow access to the photo library, you can:

Use existing photos for OCR recognition
Import meter photos from your library

3.5 Contacts Access

Meter Tracker does not require access to your contacts.

3.6 Notifications (optional, Premium)

If you enable notifications:

Reminders for regular readings
All notifications are processed locally on the device

3.7 Smart Home Integrations (optional, Premium)

HomeAssistant Integration

If you connect HomeAssistant:

Connection data (URL, token) is stored encrypted locally
Sensor data is retrieved directly from your HomeAssistant server
No data is transmitted to third parties

FritzBox Integration

If you connect a FritzBox:

Connection data is stored encrypted locally (iOS: Keychain, Android: Secure Storage)
Consumption data is retrieved directly from your FritzBox in the local network
No data leaves your local network

3.8 Crash Reporting (Sentry)

We use Sentry for anonymized crash reporting:

No personal data is transmitted
Only technical information about app crashes
Helps us improve app stability
GDPR-compliant data processing

4. Legal Basis for Processing

The processing of your data is based on the following legal grounds:

Art. 6 para. 1 lit. b GDPR (Contract fulfillment): Provision of app functions
Art. 6 para. 1 lit. a GDPR (Consent): For optional features like cloud sync
Art. 6 para. 1 lit. f GDPR (Legitimate interest): For crash reporting to improve quality

5. Data Sharing

Your data is not shared with third parties for advertising purposes.

Data transmission only occurs:

To Apple (iCloud) when iOS synchronization is enabled
To Google (Firebase/Drive) when Android synchronization is enabled
To Sentry for anonymized crash reporting

6. Data Storage and Deletion

6.1 Storage Duration

Your data is stored locally as long as you use the app. For cloud synchronization, Apple/Google retention policies also apply.

6.2 Deletion

You can delete your data at any time:

Individual entries: Delete directly in the app
All local data: Uninstall the app from your device
iCloud data (iOS): In iOS Settings under iCloud
Cloud data (Android): In the app or via your Google account

6.3 Data Export (GDPR Art. 20)

You can export your data at any time:

Export as JSON (complete data export)
Export as CSV (for spreadsheets)

7. Your Rights

You have the following rights:

Right of Access (Art. 15 GDPR): Information about your stored data
Right to Rectification (Art. 16 GDPR): Correction of inaccurate data
Right to Erasure (Art. 17 GDPR): Delete data directly in the app
Right to Data Portability (Art. 20 GDPR): Export your data
Right to Object (Art. 21 GDPR): Object to processing
Right to Lodge a Complaint: With the competent data protection supervisory authority

8. Data Security

We take appropriate technical and organizational measures:

Local storage under iOS/Android security mechanisms
Encrypted storage of sensitive data (passwords, API tokens)
iOS: Keychain for sensitive data
Android: Flutter Secure Storage with AES encryption
Encrypted connections for smart home integrations (SSL/TLS)

9. No Profiling

There is no automated decision-making or profiling according to Art. 22 GDPR.

10. In-App Purchases

Premium features are processed through the Apple App Store or Google Play Store:

We have no access to your payment data
Payment processing is handled exclusively by Apple/Google
We only receive confirmation of the purchase status

11. Changes to this Privacy Policy

We reserve the right to update this privacy policy. The current version can always be found at:

https://todisco.de/en/meter-privacy

12. Contact

For privacy questions, contact us at:

Email: hello [at] todisco [dot] de

Address: Mathias Todisco, Wilmersdorfer Str. 122-123, 10627 Berlin, Germany

Note for users outside the EU:

This privacy policy is primarily based on the EU General Data Protection Regulation (GDPR). Users from other regions may have corresponding rights under local privacy laws.