Privacy Policy — Pro
1. Who we are
Decibel Meter Pro is published by Lucky Tools (Northern Ireland).
2. Microphone
The app requests microphone access to compute sound level (dB) in real time. Audio samples are processed on device for metering only. We do not save raw audio files or upload audio to Lucky Tools servers.
3. On-device data
Calibration offset and preferences stay in private app storage. Clear storage or uninstall to remove them.
4. No ads
The Pro build does not include AdMob for serving ads.
5. Purchases
Pro is a one-time paid app on Google Play. Payments are handled by Google. No in-app subscriptions.
6. Children
Not directed at children under 13.
7. Deletion
See data deletion. Email autoaccentsni@gmail.com with questions.
8. Disclaimer
Phone microphones are not laboratory SPL meters. Not for safety certification.
9. Contact
Free version: Decibel Meter privacy