Last updated: 2026.02.11.
1. Introduction
This Privacy Policy describes how the application („the App“) collects, uses, and protects user information.
The App is designed for signal analysis and diagnostic measurements using device sensors (microphone, accelerometer) and optional external devices (e.g., OBD interfaces).
By using the App, you agree to this Privacy Policy.
2. Information We Collect
a) Sensor Data
The App may access:
- Microphone input (audio signals)
- Accelerometer data
- Optional Bluetooth or Wi-Fi connected diagnostic devices
All collected measurement data is processed locally on the device.
b) Stored Measurement Data
If the user chooses to record measurements, the App may store:
- Signal recordings
- Measurement logs
- Diagnostic session data
This data is stored locally on the user’s device.
3. How We Use Information
Collected data is used solely for:
- Signal analysis (FFT, spectral analysis, knock detection, etc.)
- Visualization of vibration and acoustic measurements
- Offline playback of recorded measurements
The App does not use the data for advertising or profiling.
4. Data Sharing
The App:
- Does not sell user data
- Does not share measurement data with third parties
- Does not transmit sensor data to external servers
All processing is performed locally unless explicitly stated otherwise in future updates.
5. Permissions
The App may request the following permissions:
- Microphone – for acoustic measurement
- Bluetooth / Nearby devices – for communication with diagnostic hardware
- Wi-Fi – for connecting to supported external devices
- Storage – to save recorded measurement data
Permissions are only used for the functionality described above.
6. Data Retention and Deletion
All recorded data is stored locally on the device.
Users can delete recordings at any time from within the App or by uninstalling the App.
Uninstalling the App removes all locally stored measurement data.
7. Children’s Privacy
The App is not intended for children under the age of 13 and does not knowingly collect personal information from children.
8. Security
The App does not collect or transmit personal data to external servers.
All data remains under the control of the user on their device.
9. Changes to This Policy
This Privacy Policy may be updated from time to time.
Any changes will be reflected on this page with an updated revision date.
10. Contact
If you have questions about this Privacy Policy, please contact:
MotorDoktor
Email: info@motordoktor.cz
Website: https://motordoktor.cz/