dB Meter: Sound Level

dB Meter turns your iPhone into a fast, beautiful, and accurate sound-level meter. Measure the noise around you in real time — at home, at work, at a concert, or anywhere you want to protect your hearing. Pay once. No ads, no subscriptions, no tracking. LIVE MEASUREMENT • Real-time decibel readings on a precise speedometer-style gauge • A-weighting (dBA) and Fast/Slow response, like professional meters • Min, average, max and a rolling 60-second graph • Live sound recognition — know what you're hearing (speech, music, traffic…) PRO TOOLS • Octave-band analyzer (1/1 and 1/3 octave RTA) with peak-hold • Guided calibration wizard for accurate readings on your device • Smart Monitor for long sessions with loud-environment alerts • Export a professional PDF report, or CSV data PROTECT YOUR HEARING • Clear noise categories from Very Quiet to Dangerously Loud • Instant warning when levels become risky (around 85 dB) • Daily noise-exposure dose based on the NIOSH 85 dB / 8-hour limit • Trends & Insights — weekly averages plus your loudest times and places RECORD, TRACK & SHARE • Save measurements and review them with charts and a personal noise map • Tag measurements with your location (optional) • Share a gorgeous measurement card EVERYWHERE YOU NEED IT • Home & Lock Screen widgets, including a Daily Dose widget • Live Activity in the Dynamic Island while measuring • A companion Apple Watch app to measure right from your wrist • Beautifully optimized for iPad, in portrait and landscape • Available in 30+ languages PRIVATE BY DESIGN • Audio is never recorded or stored — only the loudness is analyzed, instantly • Your measurements stay on your device • No ads, no analytics, no third-party tracking dB Meter provides approximate readings for everyday awareness and is not a certified measurement instrument.