UnitedPlugins has discounted Royal Compressor until August 15th, 2021. The regular price is €129 but you can now get it for €65.
Royal Compressor is inspired by a model of the classic British device from the Beatles era. Used on hundreds of record since the sixties Royal Compressor delivers a vintage analogue sound and feel.
A 15-days fully working trial version is also available. But if you decide to skip the promo, you can use the free version of Royal Compressor. After 15-days of evaluation a few knobs fall off and you may use the "2nd hand version" of the plugin.