Precision tools for musicians and engineers. Built by people who use them.
24 audio engineering calculators — note length, frequency, timecode, SPL, panning, file size, and more. Rebuilt from the ground up for modern iOS. Upgrade to Calc Pro for LUFS targets, batch mode, and PDF export.
Professional DDP disc image playback. Open DDP masters, verify audio, review PQ sheets, and check metadata — everything a mastering engineer or label needs to approve a pre-production master. macOS Studio app with full branding and export tools; free iOS companion for on-the-go review.
High-resolution audio player for macOS. Bit-perfect playback, Audio Unit plugin hosting, and support for every lossless format. The reference playback tool trusted by mastering engineers and audiophiles.