# Decibel Meter Pro: Sound Level — Noise Detector & SPL Analyzer

> Noise Detector & SPL Analyzer (iPhone/iPad app by Alper Sumer Guc.)

- Source: https://appshunter.io/ios/app/decibel-meter-pro-sound-level/id6779537617 (this page in markdown: same URL + `.md`)
- Developer: [Alper Sumer Guc](https://appshunter.io/developer/1896672915)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 3.50/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 11 MB
- Languages: Australian English, Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France) and 34 more
- Released: 2026-06-17
- Data updated: 2026-10-24

## What is Decibel Meter Pro?

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.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Decibel Meter - Premium | $2.99 | one-time |


## Is Decibel Meter Pro safe?

Not enough ratings yet to assess Decibel Meter Pro.

## Is Decibel Meter Pro legit?

Decibel Meter Pro: Sound Level appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Decibel Meter Pro is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.7 — 2026-10-24

• Snore & Sleep Talk Recorder: Records snoring, sleep talking and other sounds through the night. In the morning, listen to each one.
• Tone Generator (20 Hz – 20 kHz): Glides from 20 Hz to 20 kHz to test speakers, headphones and your hearing range.
• Frequency: Hz, A4 440 Hz
• iPhone Duo

### 1.6 — 2026-10-21

• New Premium: no ads, background recording with a noise log, live dB on the Lock Screen and Dynamic Island, widgets, noise alerts and iCloud sync.
• New Spectrogram view: watch sound change over time, second by second.
• New Octave view: 1/1 and 1/3 octave band analysis, like professional meters.
• Save the audio with every recording, then play it back or share it as evidence.
• New L10, L50 and L90 statistical levels, also in CSV and PDF exports.
• Save your measurements to Apple Health as environmental sound levels.
• Refreshed design with a new tab bar and language flags.
• Performance improvements and bug fixes.

### 1.5 — 2026-10-18

• New Spectrogram view: watch sound change over time, second by second.
• New Octave view: 1/1 and 1/3 octave band analysis, like professional meters.
• Save the audio with every recording, then play it back or share it as evidence.
• New L10, L50 and L90 statistical levels, also in CSV and PDF exports.
• Save your measurements to Apple Health as environmental sound levels.
• Refreshed design with a new tab bar and language flags.
• Performance improvements and bug fixes.

### 1.4 — 2026-08-18

- New Noise Dose: see how much of the daily noise exposure limit you have used, how long is still allowed at this level, and how much time is left.
- Pick your standard in Settings: NIOSH (85 dBA) or OSHA (90 dBA).
- Export a measurement as a CSV file with all samples, or as a one-page PDF report.
- Export your whole history as a single CSV from the History screen.
- Performance improvements and bug fixes.

### 1.3 — 2026-06-30

- New Spectrum display: a real-time frequency analyzer with color-coded bars and the live dominant frequency.
- New pro metrics: Leq (equivalent sound level) and LCpeak, like professional sound level meters.
- New Fast and Slow time weighting for the live reading.
- Performance improvements and bug fixes.

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All apps by Alper Sumer Guc: https://appshunter.io/developer/1896672915

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*