# AudioTools, dB, Sound & Audio

> RTA, Acoustics Measurement SPL

Canonical page: [https://chrome-stats.com/d/id325307477](https://chrome-stats.com/d/id325307477)

## Overview

- **ID:** `id325307477`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Andrew Smith
- **Category:** Music
- **Rating:** 4.80 / 5 (5,076 ratings)
- **Version:** 18.11
- **Last updated:** 2026-09-16
- **First published:** 2009-09-08
- **Size:** 94 MB
- **Data as of:** 2026-09-18
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/audiotools-db-sound-audio/id325307477)
- **Website:** [https://www.studiosixdigital.com](https://www.studiosixdigital.com/)
- **Privacy policy:** [http://www.studiosixdigital.com/privacy-policy](http://www.studiosixdigital.com/privacy-policy)

## Description

AudioTools from Studio Six Digital is a professional-grade suite of audio and acoustic analysis apps. It includes SPL meter, Real-Time Analyzer (RTA), FFT, speaker polarity test, generator, audio scope, CLF viewer, and a recorder, plus a framework to add more powerful modules as you need. You can customize AudioTools by purchasing optional modules like Smaart Tools I, SPL Graph, or Impulse Response from within the app. The suite is calibrated for best results on iOS devices, can measure up to 120 dB SPL on many devices, and supports iTestMic, iPrecisionMic, and iAudioInterface2 for a complete measurement platform.

## Rankings

- #25,338 — Overall
- #18 — tool
- #34 — sound
- #48 — smart tool
- #53 — audio

## Review summary

Overall, reviewers regard AudioTools as a comprehensive, reliable, and affordable suite of professional audio analysis tools. It delivers accurate measurements with a real-time analyzer and SPL meter, runs on iPhone with external hardware support, and serves well for fieldwork and reporting (snapshots for reports). While a few note a learning curve for beginners and minor subscription/UI friction, the app is repeatedly praised as a single, capable, value-packed toolkit that rivals more expensive gear.

### Pros

- Broad, professional-grade toolkit in a single app for many audio analysis needs
- Reliable performance and consistent functionality, at a fraction of the cost of many alternatives
- Accurate measurements with a real-time analyzer and SPL meter, competitive with professional gear
- Excellent for fieldwork and reporting — capture samples and visuals for client reports
- User-friendly and accessible to both beginners and professionals; standout features like AR SPL Pro for quick visualization

## Similar extensions and apps

- [AudioEngineerKit: SPL & RTA](https://chrome-stats.com/d/id6801498086)
- [RTA](https://chrome-stats.com/d/id298839433) — 4.00 / 5
- [Audio Kit](https://chrome-stats.com/d/id376965050) — 3.50 / 5
- [AcoustiTools®](https://chrome-stats.com/d/id1390068470) — 4.40 / 5
- [DFTM Audio Tools](https://chrome-stats.com/d/id6776441497)
- [SoundCheck RTA](https://chrome-stats.com/d/id6788231499) — 5.00 / 5
- [AudioTools Wireless](https://chrome-stats.com/d/id810222514) — 1.50 / 5
- [iAudioTool](https://chrome-stats.com/d/id580740399) — 3.30 / 5
- [Audio RTA Analyzer](https://chrome-stats.com/d/id6784479397) — 5.00 / 5
- [SoundScope: Audio Toolkit](https://chrome-stats.com/d/id6755621768)
- [Soniclyze: SPL & RTA Meter](https://chrome-stats.com/d/id6758894556) — 5.00 / 5
- [Audio RTA](https://chrome-stats.com/d/id861969994) — 4.40 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/id325307477)