There is a popular Android app explicitly named by Julian Bunn, available on the Google Play Store . It is an acoustic analyzer rather than a music composition tool.

: Often used for room calibration (RT60 measurements) or checking speaker polarity. 3. Audiotool Sketch (Legacy App)

While there is no official "Audiotool" app for Android that matches the full web-based digital audio workstation (DAW), there are several distinct apps and methods to achieve similar results on Android devices as of 2026. 1. Audiotool Web DAW (Browser-based)

: Includes a spectrum analyzer, sound pressure level (SPL) meter, and signal generator for white/pink noise and various waves.

The primary Audiotool is a professional, online DAW that runs in your browser.