Noise & dB Sound Level Meter
Turn your iPhone into a sound level meter. Measure ambient noise in decibels with min/max/avg tracking, real-time charts and CSV export. No ads, ever.
Decibel Meter turns your iPhone into a fast, accurate sound level meter.
Measure ambient noise in decibels (dB) anytime, anywhere — at home, at
work, at concerts, in cafes, or in the gym. Clean design, instant results,
no clutter, no ads.
WHAT YOU CAN DO
• Live Decibel Reading
Watch sound levels update in real time, with a colorful indicator that
shifts from green (quiet) through yellow (moderate) to red (loud).
• Min, Max & Average
Track the quietest moment, the loudest peak, and the average noise
level of every session.
• Real-time Sound Chart (Premium)
See your environment's noise pattern visualized as a smooth live chart.
• Measurement History (Premium)
Save up to 50 sessions with date, min, max, average and duration.
Compare locations, times of day or before/after changes.
• CSV Export (Premium)
Export your full history as a CSV file. Share it via email, AirDrop or
any app — perfect for reports, schoolwork or simple personal tracking.
• Manual Calibration (Premium)
Fine-tune readings against a reference device with a ±20 dB offset
slider that fits your hardware.
WHY DECIBEL METER
• Privacy first — all measurements stay on your device. No accounts, no
cloud, no tracking.
• 100% offline — works without an internet connection.
• Zero ads — we don't show ads in any of our apps. Ever.
• Beautifully simple — built natively for iOS with a clean, minimal
interface.
GREAT FOR
• Checking how loud your office, classroom or living room really is
• Measuring noise levels at concerts, restaurants, gyms or events
• Comparing the quietness of different sleeping spots
• Curious kids, students and tinkerers learning about sound
• Anyone who's ever wondered "how many decibels is this?"
PREMIUM
Unlock advanced features with a one-time premium upgrade — no
subscriptions to forget about. Premium adds the real-time chart,
measurement history, CSV export and manual calibration.
IMPORTANT
This app is intended for entertainment and informational use only. It
relies on your device's built-in microphone, which is not a calibrated
laboratory instrument. Do not use Decibel Meter as a substitute for a
professional sound level meter, occupational safety equipment, or any
medical or legal measurement.
Privacy Policy: https://docs.google.com/document/d/1VIB9JpstwHkzFK1qt1sQG2_SpS8igRyo7RmXM3TKgFY/edit?usp=sharing
Terms & Conditions: https://docs.google.com/document/d/1fp3oD34VyItpvPAFvjGB3d8NF79wjSEBsmqHLfMaJQU/edit?usp=sharing
Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.