# Decibel X:dB Sound Level Meter

> Frequency Spectrum Analyzer

Canonical page: [https://chrome-stats.com/d/id448155923](https://chrome-stats.com/d/id448155923)

## Overview

- **ID:** `id448155923`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** SkyPaw Co., Limited
- **Category:** Utilities
- **Rating:** 4.60 / 5 (162,289 ratings)
- **Version:** 9.9.7
- **Last updated:** 2026-09-15
- **First published:** 2011-11-05
- **Size:** 90 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/decibel-x-db-sound-level-meter/id448155923)
- **Website:** [https://skypaw.com/decibelx.html](https://skypaw.com/decibelx.html)
- **Privacy policy:** [https://www.skypaw.com/decibelx/privacy\_policy.html](https://www.skypaw.com/decibelx/privacy_policy.html)

## Description

Decibel X: dB Meter — Chrome Extension turns your browser into a professional sound level meter. It measures SPL in dBA and dBC, provides real-time FFT and frequency spectrum, and records a history of measurements for quick review and comparison.

Key features include ITU-R 468, A, B, C and Z weighting filters, export options for graphs (PNG) and data (CSV), multiple display modes, and calibration controls. Designed with privacy in mind, this extension delivers accurate noise monitoring for rooms, events, studios, and field work, right from your browser.

## Rankings

- #2,539 — Overall
- #30 — sound

## Review summary

Users generally praise Decibel X for its ease of use and practical noise-measuring capabilities, with accurate readings in everyday environments. However, they frequently gripe about aggressive upsell prompts and a subscription-oriented pricing model, including unexpected charges. Reliability issues like freezes and activation glitches also appear. Overall, the app delivers solid functionality, but sentiment is marred by business-model frustrations and occasional bugs.

### Pros

- Easy to use and clean interface for measuring decibels.
- Useful for real-world noise monitoring and safety (events, church, workplace).
- Accurate and responsive readings across a wide range of decibels.
- Free portion is functional and provides core measurement capabilities without immediately upgrading.
- Generally reliable performance and practical information provided.

### Cons

- Frequent upgrade prompts and gating, including persistent 'upgrade to PRO' messages.
- Pricing model with subscriptions, upfront charges, and reports of unexpected fees.
- Bugs and flaky behavior such as freezes, premium-activation glitches, and download problems.

## Similar extensions and apps

- [Decibel X PRO: dBA Noise Meter](https://chrome-stats.com/d/id1257651611) — 4.70 / 5
- [Decibel - dB Sound Level Meter](https://chrome-stats.com/d/id6443760208) — 4.60 / 5
- [Decibel Pro: Sound Level Meter](https://chrome-stats.com/d/id6471412443) — 4.40 / 5
- [Decibel Meter - Sound Analyzer](https://chrome-stats.com/d/id1579747105) — 3.50 / 5
- [Decibel Meter: dB Sound Level](https://chrome-stats.com/d/id6756241739) — 5.00 / 5
- [Decibel Meter dB Spectrum](https://chrome-stats.com/d/id6747271171)
- [dB Meter - Sound Level Meter](https://chrome-stats.com/d/id6760597296)
- [Sound Meter - Decibel Analyzer](https://chrome-stats.com/d/id6443813423) — 4.20 / 5
- [SoundMeter - Decibel dB Level](https://chrome-stats.com/d/id6777496612)
- [Decibel X PRO - dB Sound Meter](https://chrome-stats.com/d/id6747031691)
- [Soundmeter Noise Measure](https://chrome-stats.com/d/id6752567142) — 4.70 / 5
- [Decibel Meter - Noise Meter dB](https://chrome-stats.com/d/id6767143529) — 4.20 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id448155923)