Iceberg Audio released Sub Cut
Sub Cut lets you apply precise low cuts under 220Hz. Remove unwanted sub bass or make room when layering bass sounds. AUTO mode analyses audio in real-time and continually adjusts the cut by following the notes of your source material. Isolate problematic frequencies in your mix or in your studio. Click on the waveform to quickly flip between your audio and test tones while adjusting your cut.
Price
Intro: $35
Regular: $49
More info here: Iceberg Audio | Sub Cut