Audacity vs DSP-Quattro

Audacity is a free, open-source audio editor for Windows, macOS, and Linux desktop computers. It supports multitrack editing, noise reduction, video synchronization, and cloud collaboration. Common audio formats include MP3, M4A, AIFF, FLAC, and WAV, and it handles 16-bit, 24-bit, and 32-bit audio with high-quality resampling and dithering. A Spectrogram view helps visualize and analyze audio clips. Third-party plugins are supported, including VST3, Nyquist, LV2, and Audio Unit formats. Its source code can be viewed or modified under the GNU GPL, and no subscription is required. Audacity has no mobile version for iOS or Android, despite those platforms appearing in some listings. The software is developed by a small remote team supported by the community. Help is available through a manual, forum, and developer Discord.

DSP-Quattro is a macOS application for editing and mastering audio files, burning audio CD-ROMs, hosting plug-ins, and processing batches. Its editor supports multiple audio formats, waveform editing, sound enhancement, and real-time processing. It hosts 64-bit Audio Unit effects and instruments, but does not load VST plug-ins. Version 6 requires macOS 10.14 or newer and runs natively on Intel and Apple Silicon Macs. Listed delivery formats include AIFF, WAVE, MP3, M4A, CAF, FLAC, AAC, DDP, raw binary, and dual L/R mono. The demo has no time limit, but saving or exporting audio, exporting DDP, and burning audio CD-ROM are unavailable in it. The new license is listed at $99 a month; the $49 a month upgrade is for customers registered to a previous DSP-Quattro or DSP-AudioCDBuilder version. The license is for personal use and belongs to one owner. Email support is listed, and refunds may be requested within 14 days after purchase.