AudioTool is a comprehensive audio measurement application designed for audio engineers and enthusiasts who require precise sound analysis tools. This app transforms your Android device into a professional audio measurement tool by offering features such as SPL metering with RT60, Leq, Sone calculations, a Spectrum Analyzer, Spectrogram, Chart Recorder, Signal Generator, Polarity Checker, and Mic calibration capabilities. AudioTool can be used on Android smartphones and tablets, making it an essential tool for various applications including gig measurements, home theater calibration, acoustics testing, and automotive audio assessments. One of the standout features of AudioTool is its ISO 1/3 Octave Calibration which corrects for your phone's microphone response ensuring accurate readings. The app also supports popular external microphones like Dayton Audio iMM-6 and MicW i436. Overall, AudioTool is an excellent application for anyone involved in sound engineering or acoustic analysis providing detailed insights through its extensive range of functionalities.

AudioTool stands out with its wide array of specialized audio analysis tools. Here are five key features that make it indispensable for audio professionals: 1. Real-time Spectrum Analysis - AudioTool provides multiple octave RTA modes including 1/1, 1/3, 1/6, and 1/12 octave options allowing users to analyze frequency responses in real-time with precision. 2. Advanced Signal Generation - The app includes a versatile signal generator capable of producing White and Pink Noise, Sine, Square, Triangle waves, sweeps, warbles, and impulses catering to diverse testing needs. 3. Comprehensive Measurement Tools - With functions like RT60 for measuring reverberation, Leq for equivalent sound levels, and NC contours for noise criteria, AudioTool offers a complete suite for acoustic evaluations. 4. Customizable Calibration - Users can calibrate their devices using ISO 1/3 Octave standards and save load calibration files ensuring consistent accuracy across different devices and environments. 5. Intuitive User Interface - Despite its complexity, AudioTool maintains an accessible interface with interactive elements like pinch-to-zoom, scroll-to-center, and customizable display settings enhancing user experience.

AudioTool is a powerful solution for audio measurement needs offering numerous advantages. The app boasts a variety of advanced features such as real-time spectrum analysis, RT60 measurements, and a comprehensive signal generator. It supports external microphones and provides ISO calibration for improved accuracy. However, it also has some drawbacks. For one, the app's performance heavily relies on the quality of the Android hardware which may lead to inconsistent results across different devices. Additionally, while the interface is feature-rich, beginners might find it overwhelming without proper guidance. Overall, AudioTool remains a valuable resource for audio engineers and enthusiasts seeking detailed sound analysis capabilities provided they have compatible hardware and willingness to learn its intricacies.