Ubuntu Software Center or simply Software Center was a high-level graphical front end for the APT/dpkg package management system. It was free software written in Python, PyGTK/PyGObject based on GTK+. Developed by Canonical, Ltd.
License: Open Source
The Ubuntu Software Center is primarily focused on application discovery and installation, providing a user-friendly GUI for managing software packages, including Snap. In contrast, the Update Manager specializes in managing system updates, offering automated notifications and background management to ensure the system remains up-to-date and secure.