# Decibels Sound Level Meter — A-Weighted Noise & Reports

> A-Weighted Noise & Reports (iPhone/iPad app by NAICAI LI.)

- Source: https://appshunter.io/ios/app/decibels-sound-level-meter/id6757954209 (this page in markdown: same URL + `.md`)
- Developer: [NAICAI LI](https://appshunter.io/developer/576183183)
- Category: Utilities, Lifestyle
- Price: $0.99
- Age rating: 4+
- Requires: iOS 17 · 1 MB
- Languages: Chinese (Simplified, China), Chinese (Traditional, Taiwan), American English
- Released: 2026-05-18
- Data updated: 2026-08-28
- User reviews in markdown: https://appshunter.io/ios/app/decibels-sound-level-meter/id6757954209/reviews.md

## What is Decibels Sound Level Meter?

Sound Level Meter is an iOS tool for everyday environmental noise measurement—see levels in the field, keep a log, and share a polished Pro report when you need one.

Features • Live A-weighted sound level with Fast / Slow time weighting
• Session stats: energy-style average (LAeq) and peak (LAmax-style)
• Acoustic calibration offset to align with a reference source
• History with custom titles and optional location notes
• Export CSV / JSON and Pro PDF measurement reports
• Education: hearing & decibels, typical noise level ranges

Good for
Home and office background noise, street/neighbor logging, DIY checks around renovations or equipment, quick reference notes and sharing.

Disclaimer
Readings are estimated from the phone microphone and software. Results vary with device, mic sensitivity, handling, wind, reflections, and calibration. Outputs are for personal reference, logging, and sharing only—not legal metrology, certified lab reports, or compliance determinations. Use a calibrated standard sound level meter and qualified professionals when precision matters.


## Version history (last 1 release)

### 1.0 — 2026-05-18

No release notes.

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All apps by NAICAI LI: https://appshunter.io/developer/576183183

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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 2026-08-28.*