QUICK ANSWERStart with the tool that matches your immediate input.
Open PDF Booklet Maker first when its stated purpose matches the result you need now. Use PDF Contact Sheet Generator only when it solves a separate next task.
This guide is for students, office teams, administrators, and document-heavy workflows. Start with PDF Booklet Maker when your immediate task is to create a practical pdf booklet with guided options and a downloadable result. Move to PDF Contact Sheet Generator only when you also need to create a practical pdf contact sheet with guided options and a downloadable result.
The goal is not to run two tools automatically. It is to finish the first narrow task, inspect its result, and then decide whether PDF Contact Sheet Generator solves a genuinely different next step.
Both tools sit in PDF Tools, but they handle different inputs or outcomes. Keeping those roles separate reduces repeated work and makes verification easier.