Since Spleeter is open source freeware, there are now only a few hundred apps using it as their engine, probably a few thousand by the end of the year. All are using the same engine. Izotope was using it in RX Advanced 7,

There are a few things it does well but most things it doesn't. My only use for any of them is noise reduction where it can be quite effective.


BIAB 2023 Audiophile, 24/60 Core M2 Mac Studio Ultra/8TB/192GB Sonoma, M1 MBAir, 2012 MBP
Digital Performer 11, LogicPro
Finale27.4, Dorico5, Encore5, SmartScorePro64, Notion6, Overture5