apulSoft apUnmask 1.0.1 for Mac

Mac Audio

Updated Nov 6, 2026

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apUnmask, from Swiss developer apulSoft, does something unusual: it finds the parts of your audio that psychoacoustic masking hides — the details your ears normally miss because louder sounds cover them — and lets you amplify and shape that hidden content and blend it back into the music. It borrows parts of the detector algorithm from the Opus audio codec, extracting the signal components that lossy compression would throw away. apulSoft apUnmask 1.0.1 for Mac is the version covered here.

Key Features

• Extracts psychoacoustically masked audio components using Opus codec detector technology
• Amplifies and sculpts the masked content and mixes it back into the signal
• Linear-phase graphical equalizer with a smooth, bezier-shaped response for shaping the extracted signal
• Works as a mastering effect to add perceived detail to a finished mix
• Also usable as an intelligent exciter on single instruments and buses

How to Download

1. Download the demo from apulSoft — this is an effect you need to hear on your own mixes.
2. Get it from the developer: Download from the official site
3. Install, place apUnmask on a master bus or instrument, and blend the unmasked content in gently with the EQ.

System Requirements

apUnmask runs on a recent version of macOS on a 64-bit Intel or Apple silicon Mac, inside a host that loads AU, VST, VST3 or AAX plug-ins. Confirm the exact minimum macOS version on the apulSoft product page.

FAQs

Is apUnmask an EQ or an exciter?

It sits between categories: it recovers real detail that was already in the recording but masked, then lets you EQ and level it — closer to an intelligent exciter than a conventional EQ boost.

Can I try it first?

Yes. apulSoft provides a demo version on the product page, which is the sensible way to judge an effect this unconventional.