Just wanted to add that it's a music sequencing/composition/recording tool. I also bought it some 20 years ago and they really delivered the lifetime free upgrade thing - bought some upgrades and plug-in packs now and then nonetheless - - great tool. I feel that presently, I use roughly 20% of its features, but I never find the time to dig deeper.
edit: refering to the Desktop version
Otherwise, I usually prefer free open source solutions (FDroid), but I regularly donate to keep the projects alive. 1 and 2 are small dev studios that I am happy to support.