Effective date: 8 November 2026
CarAcousticDetector (“the App”) analyzes microphone audio for acoustic diagnostics and can optionally communicate with OBD-II adapters over Bluetooth. Publisher: Maxsoft Software. Contact: biuro@maxsoft.pl.
Data we process on the device
- Microphone audio — processed locally in real time for FFT spectrum analysis. Audio may be saved as WAV files only if you use Pro history export. We do not upload microphone recordings to our servers.
- Bluetooth device data — paired adapter names and addresses used to connect to ELM327 for DTC and RPM features.
- App preferences — local Pro entitlement flags and recording history metadata stored on the device.
Data processed by third parties
- Google AdMob — may collect advertising identifiers and diagnostics to show ads to free users. Ads are removed for Pro users.
- Google Play Billing — purchase validation for product pro_unlock is handled by Google Play.
Google’s policies: policies.google.com/privacy.
Permissions
- RECORD_AUDIO — acoustic diagnosis
- BLUETOOTH / BLUETOOTH_CONNECT / BLUETOOTH_SCAN — OBD adapters
- INTERNET / ACCESS_NETWORK_STATE — ads and billing
Children
The App is not directed to children under 13 (or the equivalent minimum age in your country).
Data retention
Local recordings and history remain on your device until you delete them or uninstall the App. Purchase status is restored via Google Play.
Your choices
- Deny microphone or Bluetooth permissions (related features will not work).
- Upgrade to Pro to remove ads.
- Delete saved PNG and WAV files from History or by clearing app storage.
Changes
If this policy changes, the effective date at the top of the page will be updated. The current address of this page is https://www.maxsoft.pl/en/aplikacje-mobilne/car-acoustic-detector/polityka-prywatnosci/. The same address is listed on the app’s Google Play page.