# decibella 2 — Mobile Sound Level Meter App

> Mobile Sound Level Meter App (iPhone/iPad app by Jisu Jung.)

- Source: https://appshunter.io/ios/app/decibella-2/id6768519741 (this page in markdown: same URL + `.md`)
- Developer: [Jisu Jung](https://appshunter.io/developer/1731788096)
- Category: Utilities, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 56 MB
- Languages: American English, French (France), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-07-22
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/decibella-2/id6768519741/reviews.md

## What is decibella 2?

Decibella 2: Smart Portable Sound Level Meter & Decibel Meter App

Decibella 2 is more than just a simple decibel meter — it is a smart sound level meter and noise analyzer designed to help you measure, understand, and visualize sound anytime, anywhere.

Whether you are a sound enthusiast, concerned about noise pollution, monitoring your daily noise exposure, or simply curious about your acoustic environment, Decibella provides meaningful and easy-to-understand sound insights for everyone.

Track real-time decibel (dB) levels, monitor average and peak noise, and visualize sound changes with frequency analysis graphs and time-based noise charts.

From homes and offices to libraries, cafes, roads, subways, and public transportation, Decibella helps you better understand the sounds around you with intuitive explanations and contextual examples.

With just one tap, Decibella automatically measures, analyzes, and saves your sound data.

Key Features
Real-Time Decibel Meter

Instantly measure surrounding sound and noise levels with advanced sound analysis algorithms optimized for fast and reliable performance.

Current / Average / Peak Noise Tracking

Track current dB values, average noise levels, and peak sound levels in real time.
Easily identify noise changes and the loudest moments in your environment.

Frequency Analysis Graph

Visualize sound intensity across low, mid, and high frequencies with detailed frequency-based dB graphs.
Identify specific noise sources and sound patterns more clearly.

Time-Based Noise Graph

Monitor sound level changes over time with intuitive real-time noise graphs.
Perfect for long-term noise monitoring and environmental sound analysis.

dB Calibration

Adjust and calibrate dB values for more precise sound measurements.
Customize calibration settings based on your environment and device characteristics for more consistent results.

Contextual Noise Descriptions

Understand what different sound levels mean in real life with relatable examples.
From a quiet library at 40dB to a busy subway at 90dB, Decibella helps you understand your acoustic world.

Automatic Noise Logging & History

All sound measurements are automatically saved with timestamps.
Review your sound history across days, weeks, or months to better understand long-term noise exposure.

User-Friendly Interface

Designed to be simple, intuitive, and easy for everyone to use.
Get powerful sound analysis without the complexity of professional equipment — all with a single tap.

Why Choose Decibella 2?

Decibella 2 is a powerful yet easy-to-use mobile sound level meter for anyone who wants to measure and monitor sound more intelligently.

Perfect for:

- Decibel Meter
- Sound Level Meter
- Noise Meter
- dB Meter
- Sound Analyzer
- Environmental Noise Monitoring
- Daily Noise Exposure Tracking
- Acoustic Environment Analysis

Whether you are monitoring your daily surroundings or exploring sound in more detail, Decibella 2 puts smart sound analysis right in your pocket.

Download Decibella 2 today and turn your smartphone into a smart portable sound measurement tool!

Made with love in Canada.

Note: Decibella 2 is designed for entertainment purposes on mobile devices and is not intended to replace professional or industrial-grade sound level measurement equipment.


## Version history (last 1 release)

### 1.0 — 2026-07-22

No release notes.

## More apps by Jisu Jung

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- [Dual Flashlight](https://appshunter.io/ios/app/dual-flashlight/id6741048362)
- [Triple Sum](https://appshunter.io/ios/app/triple-sum/id6743101133)
- [Sky Peacemaker - Finger Force](https://appshunter.io/ios/app/sky-peacemaker-finger-force/id6744907473)
- [Simply Multi Timer](https://appshunter.io/ios/app/simply-multi-timer/id6746514607)

All apps by Jisu Jung: https://appshunter.io/developer/1731788096

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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 2026-08-13.*