Given it's about organization, the word 整理 makes more sense than 生理. Both are read "seiri" but context makes it obvious that it isn't 生理. The definition of the word is included in the article and the logo of the application.
Reading the article: I don't think this will replace beets.io for library management, personally.
Reading the article: I don't think this will replace beets.io for library management, personally.