Complexer is described as '2 is a multi-stage dynamics processor, featuring three independently controlled dynamics processors, each with a choice of six different modes: Upward and downward compressors, upward and downward expanders, a limiter, and a gate'. There are eight alternatives to Complexer for Windows, Mac, iPhone and iPad. The best alternative is iZotope Ozone. It's not free, so if you're looking for a free alternative, you could try TDR Kotelnikov or Rough Rider (series). Other great apps like Complexer are Fabfilter Pro C (Paid), Maximus (Paid), Comp87 (Paid) and Multicomp Plus MK2 (Paid).
As the industry’s most comprehensive mastering suite, Ozone 8 adds to its legacy by introducing new intelligent signal processing, spectral shaping, Tonal Balance Control, and more. It’s the smartest version of Ozone yet.
FabFilter Pro-C 2 is a high-quality compressor plug-in for the most demanding engineers. Whether you need subtle mastering compression, an upfront lead vocal, that magic drum glue or deep EDM pumping: Pro-C 2 gets the job done with style!
NYCompressor is a compressor plugin for Windows, Mac and iOS, available in VST and Audio Unity plugin format. FEATURES – Compression ratio up to 1:10. – Optional key signal filtering. – True sidechaining (4 inputs, needs to be supported by host) – Hard/soft knee.