# AudioEngineerKit: SPL & RTA

> dB Meter · RTA · Noise Log

Canonical page: [https://chrome-stats.com/d/id6801498086](https://chrome-stats.com/d/id6801498086)

## Overview

- **ID:** `id6801498086`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** HYO SEOP LEE
- **Category:** Music
- **Version:** 1.1
- **Last updated:** 2026-09-14
- **First published:** 2026-08-18
- **Size:** 2.60 MB
- **Data as of:** 2026-09-18
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/audioengineerkit-spl-rta/id6801498086)
- **Website:** [https://wa5437-cyber.github.io/](https://wa5437-cyber.github.io/)
- **Privacy policy:** [https://wa5437-cyber.github.io/#policy](https://wa5437-cyber.github.io/#policy)

## Description

SPL Meter & RTA is a precision measurement toolkit built for sound engineers working on site.

Free
• Real-time SPL (sound pressure level) meter — A/C weighting, dB
• 31-band RTA (real-time analyzer) — ISO 266 standard center frequencies
• Microphone calibration
• Room Mode Calculator

Unlock Pro (one-time purchase)
• LUFS loudness meter (BS.1770-4, Integrated/Short-term, target LU delta)
• RT60 reverberation time analysis
• Delay Finder — ESS sweep-based speaker alignment distance/time
• Polarity Checker — passive & active modes, A/B speaker comparison
• THD+N Analyzer
• Loopback Test — pink-noise RTA-style report
• External microphone support
• SPL threshold alerts & measurement history (session log)
• Dashboard view (SPL + RTA at a glance)

A universal app for iPhone, iPad, and Mac. Runs entirely on-device with no internet connection required — no accounts, no ads, no analytics, so your privacy stays yours.

## Rankings

- #1,866,184 — Overall

## Similar extensions and apps

- [SoundMess Lab: SPL Meter](https://chrome-stats.com/d/id6762592034)
- [SoundCheck RTA](https://chrome-stats.com/d/id6788231499) — 5.00 / 5
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- [AudioTools, dB, Sound & Audio](https://chrome-stats.com/d/id325307477) — 4.80 / 5
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- [Dynaudio Sound Meter](https://chrome-stats.com/d/id1082994691) — 1.90 / 5
- [Audio RTA](https://chrome-stats.com/d/id861969994) — 4.40 / 5
- [ARCQ SPL - SPL Meter](https://chrome-stats.com/d/id6782095826)
- [RTA](https://chrome-stats.com/d/id298839433) — 4.00 / 5
- [AcousticPro SPL RTA RT60](https://chrome-stats.com/d/id6787576250)
- [Audio RTA Analyzer](https://chrome-stats.com/d/id6784479397) — 5.00 / 5
- [SoundMaster Pro](https://chrome-stats.com/d/id6793937812)

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6801498086)