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 2024 Audiophile Mac
24Core/60CoreGPU M2 MacStudioUltra/8TB/192GB Sequoia, M1 MBAir, 2012 MBP
Digital Performer11, LogicPro, Finale27/Dorico/Encore/SmartScorePro64/Notion6 /Overture5