Web product (this host)
Users complete a job: calculate, edit, plan, practice, download a PDF, or use the product itself. Often paired with an iOS app. See web product development and app and site together.
Marketing site (sibling host)
Primary job is acquisition: explain the offer, collect leads, support campaigns. That work is described on marketing.aeoriaapps.com.
Why split them
Mixing campaign copy changes with product engineering in one open backlog is how scopes blow up. Separate hosts make the buyer choose the right engagement.