Decibel meter in dB, dBA and dBC with a spectrum analyzer, snore & sleep talk recorder, tone generator and an Apple Watch noise meter.
Turn your iPhone into a professional sound level meter. Measure noise in dB, dBA and dBC, see every frequency and know how much noise your ears can safely take.
ANALYZE SOUND LIKE A PRO
• Real-time spectrum analyzer with the dominant frequency
• Live spectrogram: watch sound change second by second
• 1/1 and 1/3 octave band analysis
• A, C and Z weighting, Fast and Slow response
• Leq, LCpeak and peak hold
PROTECT YOUR HEARING
• Noise dose against NIOSH and OSHA limits: how much of today's safe exposure you have used and how long is left
• Loud-sound alert with vibration at your own limit
RECORD, PROVE, SHARE
• Save the audio with every measurement and play it back any time
• L10, L50 and L90 statistical levels
• Export CSV data and one-page PDF reports, ideal for noise complaints
• Location and map for each measurement
• Save to Apple Health as environmental sound levels
PREMIUM (ONE-TIME PURCHASE)
• No ads on any screen
• Keeps recording with the screen locked
• Noise log: every loud moment with time and audio
• Live dB on the Lock Screen, Dynamic Island and widgets
• A notification when it gets too loud
• iCloud sync across your devices
EASY TO USE
• Four meter styles: LED, Modern, Classic and Spectrum
• Calibration to match a reference meter
• Light and dark mode, 50 languages
PERFECT FOR
Noisy neighbors, concerts, workplaces, classrooms, traffic, home studios, and checking how quiet your bedroom really is.
GOOD TO KNOW
A phone microphone is not a certified instrument, so readings are an estimate and can vary between devices. Use calibration for the best accuracy.
• Snore & Sleep Talk Recorder: records snoring, sleep talking and coughing through the night, recognized on your device. Listen to each sound in the morning.
• Tone Generator / Frequency Generator from 20 Hz to 20 kHz with a sine wave. Premium adds more waveforms, frequency sweep and a left/right speaker test.
• Frequency Detector: see the exact Hz and musical note of any tone.
• Apple Watch app: measure dBA with the watch microphone and get a vibration alert when it's too loud, or use your watch as the microphone for the iPhone sound level meter.
Version 2.0
In-App Purchases
Decibel Meter - Premium
No ads, background log, widgets, iCloud sync
$2.99
The developer, Alper Sumer Guc, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Location
Identifiers
Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Location
Identifiers
Usage Data
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
VoiceOver
Voice Control
Dark Interface
Differentiate Without Color Alone
Reduced Motion
Information
Seller
Alper Sumer Guc
Size
15.6 MB
Category
Utilities
Compatibility
Requires iOS 17.6 or later.
iPhone Requires iOS 17.6 or later.
iPad Requires iPadOS 17.6 or later.
Mac Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
