Difference between "Blog" and "Rapidblog"

RapidWeaver Classic
1

Hi everyone! Can anyone tell me the difference between the “Blog” page and the “Rapidblog” page?
Thanks so much!!

2

Rapidblog is discontinued: LogHound plugins Moved to YourHead

Here is the successor by @MrMacvos: Rapidblog alternative

3

The “Blog” page is the RW default blog.

Where “Rapidblog” let’s you display posts from Blogspot inside a RW page.