dB Halo

By Caitlyn's iOS Apps October 23, 2026

From a home workshop and HVAC rumble to a gym floor or concert venue, dB Halo helps you understand sound without sending data off your device.

dB Halo

dB Halo

From a home workshop and HVAC rumble to a gym floor or concert venue, dB Halo helps you understand sound without sending data off your device.

Live dB with minimum, average, maximum and peak
FFT spectrum, RTA octave bands and spectrogram
NIOSH or OSHA noise dose estimate
No account
No ads

Official App Store page: https://apps.apple.com/us/app/id6806826699?pt=118326163&ct=nostr&mt=8
Google Play: https://play.google.com/store/apps/details?id=com.alice51849.dBHalo&referrer=utm_source%3Dnostr%26utm_campaign%3Ddbhalo
Independent guide: https://alice51849.github.io/ios-app-guide/guides/dbhalo.html

#ios #iphone #utility #decibel-meter-app-iphone #measure-noise-level-at-home #spl-meter-with-spectrum-analyzer