Sound Gauge Pro
Accurate, beautiful, honestly priced decibel meter for iOS.
Turn your iPhone into a sound level meter. Sound Gauge Pro measures noise levels in real time using IEC 61672-based A, C, and Z frequency weighting filters — the same standard used in professional sound meters. Record measurement sessions, review them with interactive charts, and export CSV data for further analysis.
Real-Time Metering
Live dB readings with A, C, and Z frequency weighting. 30fps arc gauge with animated needle.
Session Recording
Record sound levels over time. Review sessions with interactive charts and summary statistics.
CSV Export
Share your measurements as CSV files for analysis in any spreadsheet app.
Calibration
Calibrate against a reference source for improved accuracy. Transparent about the inherent ±3 dB tolerance.
$1.99 — one-time purchase. No ads, no subscriptions.