Optimize Mac App Store Listing

I need a thorough, data-driven overhaul of the App Store presence for my macOS utility, Scribe PDF (30+ PDF manipulation tools). The primary goal is to increase downloads, and the quickest win will come from sharpening our keywords and overall metadata... (Budget: $30 - $250 AUD, Jobs: App Store Optimization, Content Writing, Copywriting, Keyword Research, Mac OS, Market Research)