# Sound Meter: Decibel & dB — Noise level & SPL monitor

> Noise level & SPL monitor (iPhone/iPad app by Alper Sumer Guc.)

- Source: https://appshunter.io/ios/app/sound-meter-decibel-and-db/id6779537617 (this page in markdown: same URL + `.md`)
- Developer: [Alper Sumer Guc](https://appshunter.io/developer/1896672915)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: British English, Arabic, Bangla, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Canadian French and 34 more
- Released: 2026-06-17
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/sound-meter-decibel-and-db/id6779537617/reviews.md

## What is Sound Meter?

Decibel Meter turns your iPhone into a fast and accurate sound level meter. Measure the noise around you in real time and see the result on a clean, easy-to-read display.

KEY FEATURES
- Real-time decibel (dB) measurement with your microphone
- Three gauge styles: LED, Modern and Classic
- Live chart with minimum, average and maximum levels
- Save measurements and review them anytime
- Optional location tagging with a map for each reading
- Calibration to match a known reference
- Light and dark mode
- Available in 50 languages

PERFECT FOR
- Checking noise at home, work, in the street or your car
- Concerts, events and noisy places
- Comparing how loud different places really are

GOOD TO KNOW
A phone microphone is not a professional instrument, so readings are an estimate and can vary between devices. Use the calibration setting for better accuracy.

Measure the sound around you. Download Decibel Meter today.


## Version history (last 5 releases)

### 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.

### 1.2 — 2026-06-24

In this update:
- New dB, dBA and dBC sound weighting.
- Loud sound alert that vibrates when you pass your limit.
- Peak Hold marks the highest level on the gauge.
- Share any measurement as a clean result card.

Thank you for your support.

### 1.1 — 2026-06-21

Frequency weighting is here!

Now you can measure in dB, dBA, or dBC and switch right from the meter screen. Use dBA for everyday noise and dBC for loud, low-frequency sounds.

Thanks for using our app — your ratings and feedback are always welcome.

### 1.0 — 2026-06-17

No release notes.

## More apps by Alper Sumer Guc

- [Stock Market Hours Tracker](https://appshunter.io/ios/app/stock-market-hours-tracker/id6769607614)
- [Resistor Calculator & Ohms Law](https://appshunter.io/ios/app/resistor-calculator-and-ohms-law/id6769907481)
- [Brick Breaker Smash](https://appshunter.io/ios/app/brick-breaker-smash/id6770335142)
- [Chess Puzzles Trainer](https://appshunter.io/ios/app/chess-puzzles-trainer/id6770581711)
- [Tapline: Endless Runner](https://appshunter.io/ios/app/tapline-endless-runner/id6771515307)
- [Latitude and Longitude Finder](https://appshunter.io/ios/app/latitude-and-longitude-finder/id6771930378)

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

---

*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 2026-08-20.*