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AudioTools, dB, Sound & Audio

AudioTools, dB, Sound & Audio

RTA, Acoustics Measurement SPL

5.1K ratings
346 reviews
#29 in paid Music
🔧 Utilities
🎵 Music
$19.99
In-App Purchases

Details

  • Released
  • Updated
  • September 8, 2009
  • August 22, 2026

Features

Developer

Andrew Smith
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AudioTools, dB, Sound & Audio video #1 for iPhone
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iphone
ipad
🧾$2.99 - $49.99
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📉no. 29
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❓5 answered
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About

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

✓SPL Meter with A/C weighting
✓Real Time Analyzer (RTA)
✓Fast Fourier Transform (FFT) analysis
✓Speaker Polarity Test
✓Audio Oscilloscope
✓Signal Generator
✓Audio Recorder
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What users say

Summarized from real user reviews of AudioTools, dB, Sound & Audio. Based on 5.1K reviews and a 4.8/5 average, it highlights the 5 positives and 5 negatives reviewers mention most about this Music app.

Positive things

  • 👍Useful audio tools
  • 🚀Regularly updated
  • 💡Industry-standard features
  • 👍Accurate measurements
  • 👍Great support

Negative things

  • 🔒Many features locked behind paywall
  • 🐛Buggy iOS port
  • 🔒Expensive in-app purchases
  • 🐛Inconsistent functionality
  • 🐛Microphone issues
See all reviews
+1

What's New in AudioTools, dB, Sound & Audio

18.10

August 22, 2026

**AudioTools, #1 audio test and measurement app New in this release: -Increased GPS coordinate resolution in output TXT files to 6 decimal places -Fixed GPS location not being saved with measurements -Saved measurement files are now available in the Files app -Upgraded SPL Remote Logging for Environmental Noise reporting -SPL Traffic Light and Dual Traffic Light can now stream to the browser viewer, with 1/3 octave data -Bug fixes and stability improvements

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Subscription plans

All-In Module Access

Unlock all modules (except third-party apps)

$9.991 Month
7 Days trial
How to cancel AudioTools, dB, Sound & Audio subscription ⁉️
21

In-App Purchases

$9.99

SPL Graph Module

Record a graph of SPL level over time. Optionally also record the audio. Use A or C weighting, or any of 10 octave band filters. Compute LEQ of the graph. Save graph / audio, and later recall the graph, and use the cursor to listen to audio at any time.

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Charts

Top Paid

📉 29-6

Music

This app dropped -6 positions in Music chart.

Last updated on August 29, 2026.

User reviews

Most RecentHighest RatedLowest Rated

Excelente

Tudo em um só lugar
TontonrontontonTontonrontonton

Incrível

Muito bom app faz tudo que promete
LascavoLascavo

Best test equipment out there on the Apple platform

AudioTools has a series of products for the professional in the audio or acoustic industry. We have purchased all of the modules and use them all they are excellent. Factory support is excellent as well whenever there’s a problem with any update, they straightened it out quickly.

We’re using ours with the type one microphones and iPads and get excellent and the algorithms they’ve developed time wasted with other types of analyzers.


If you’re in the audio industry, you should have this app
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AVL DESIGNS.AVL DESIGNS.

Just keeps getting better

There's no reason to not try it!
DJScottHarris.comDJScottHarris.com

The Audio Toolbox in your iPhone

Great software suite! I use this and their calibrated measurement microphone for everything from room measurements, to single channel smaart, to testing, you name it! My firm is an acoustical consulting firm in Colorado. Don’t leave home without your iphone or ipad and audio tools! Great software!
DelibdesignsDelibdesigns
See 341 more reviews

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User experience

🐞

Reported Bugs

3 issues

Crashes on launch

Bug

Inaccurate SPL and frequency measurements

Bug

Compatibility issues with iOS updates

Bug
✨

Requested Features

4 requests

Add manual

Feature

Improve file export and sharing

Feature

Improve user interface

Feature

Add support for external microphones

Feature

FAQ

What does AudioTools do?

AudioTools is a professional-grade application that provides a suite of audio and acoustic analysis tools. It includes features like an SPL meter, Real Time Analyzer (RTA), Fast Fourier Transform (FFT), speaker polarity testing, and more, designed for accurate sound measurements and analysis.

What are the key features included in the app?

The app comes with a comprehensive set of included tools such as an SPL Meter, RTA, FFT analysis, Speaker Polarity Test, Generator, Audio Scope, CLF Viewer, and Recorder. It also offers file transfer of results via Wi-Fi to PC/Mac and various audio calculators.

How much does AudioTools cost?

The base application is free to download and includes a core set of professional tools. Additional powerful modules, such as SoundScope VR, Transfer Function, and ETC, are available for purchase as in-app upgrades to expand its functionality.

What devices is AudioTools compatible with?

The application is designed for iOS devices. The developers test and calibrate the microphone level and frequency response for each iOS device to ensure the best possible results, and can measure up to 120 dB SPL on many devices.

What are some common use cases for AudioTools?

This app is ideal for professionals needing to measure sound pressure levels (SPL), analyze room acoustics with RTA and FFT, test speaker polarity, generate test signals, or record audio. It can also be used with professional audio interfaces for advanced measurements.