AudioStretch is a powerful multimedia application designed for musicians and audio enthusiasts. This innovative tool allows users to import audio and video files or capture video directly using their phone's camera for transcription. With features like pitch manipulation, speed adjustment, and looping, AudioStretch facilitates learning songs by ear and experimenting with sound in an intuitive interface. The app supports a range of functionalities including a speed adjustment of -10x to 10x and pitch shifting of +/- 36 semitones, making it versatile for various audio tasks.

The application also includes a unique LiveScrub feature that enables users to listen to audio while dragging the waveform, enhancing the transcription process. Users can load songs from their music library, although songs from Apple Music with DRM are not supported. Additionally, the app offers flexible looping options, document picker import/export for cloud services, and does not contain ads or in-app purchases, providing a full experience without interruptions.